Structural characterization of three hydride-bridged sodium aluminate compounds

Kennedy, A.R.; Mulvey, R.E.; Whitelaw, M.T.

doi:10.1107/S2056989022010738

Structural characterization of three hydride-bridged sodium aluminate compounds

A. R. Kennedy, R. E. Mulvey and M. T. Whitelaw

Thie structures of three hydride-bridged sodium aluminate compounds containing the utility amide N(SiMe₃)₂ are reported. One is a dihydride monomer and the others are both based on (AlHNaH)₂ eight-membered rings, one being a dihydride and one a trihydride.

Keywords: crystal structure; metal hydride; aluminate compounds; sodium compounds; metal amides.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S2056989022010738/hb8043sup1.cif Contains datablocks 1, 2, 3, global
	Structure factor file (CIF format) https://doi.org/10.1107/S2056989022010738/hb80431sup2.hkl Contains datablock 1
	Structure factor file (CIF format) https://doi.org/10.1107/S2056989022010738/hb80432sup3.hkl Contains datablock 2
	Structure factor file (CIF format) https://doi.org/10.1107/S2056989022010738/hb80433sup4.hkl Contains datablock 3

CCDC references: 2218501; 2218500; 2218499

checkCIF report

Key indicators

Structure: 1

Single-crystal X-ray study
T = 200 K
Mean (C-C) = 0.005 Å
R factor = 0.058
wR factor = 0.155
Data-to-parameter ratio = 23.9

Structure: 2

Single-crystal X-ray study
T = 100 K
Mean (C-C) = 0.006 Å
R factor = 0.053
wR factor = 0.160
Data-to-parameter ratio = 21.4

Structure: 3

Single-crystal X-ray study
T = 123 K
Mean (C-C) = 0.003 Å
R factor = 0.040
wR factor = 0.112
Data-to-parameter ratio = 22.0

Structure: 2

Single-crystal X-ray study
T = 100 K
Mean (C-C) = 0.006 Å
R factor = 0.053
wR factor = 0.160
Data-to-parameter ratio = 21.4

Structure: 3

Single-crystal X-ray study
T = 123 K
Mean (C-C) = 0.003 Å
R factor = 0.040
wR factor = 0.112
Data-to-parameter ratio = 22.0

checkCIF/PLATON results

No syntax errors found



Datablock: 1


Alert level B
PLAT910_ALERT_3_B Missing # of FCF Reflection(s) Below Theta(Min).         16 Note

Alert level C
PLAT241_ALERT_2_C High   'MainMol' Ueq as Compared to Neighbors of        C13 Check
PLAT241_ALERT_2_C High   'MainMol' Ueq as Compared to Neighbors of        C15 Check
PLAT242_ALERT_2_C Low    'MainMol' Ueq as Compared to Neighbors of        Si1 Check
PLAT242_ALERT_2_C Low    'MainMol' Ueq as Compared to Neighbors of        Si2 Check
PLAT242_ALERT_2_C Low    'MainMol' Ueq as Compared to Neighbors of         N5 Check
PLAT242_ALERT_2_C Low    'MainMol' Ueq as Compared to Neighbors of        C14 Check
PLAT340_ALERT_3_C Low Bond Precision on  C-C Bonds ...............     0.0054 Ang.
PLAT906_ALERT_3_C Large K Value in the Analysis of Variance ......      5.122 Check

Alert level G
PLAT303_ALERT_2_G Full Occupancy Atom H1        with # Connections       2.00 Check
PLAT794_ALERT_5_G Tentative Bond Valency for Al1       (III)     .       3.02 Info
PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L=  0.600         77 Note
PLAT941_ALERT_3_G Average HKL Measurement Multiplicity ...........        3.5 Low
PLAT967_ALERT_5_G Note: Two-Theta Cutoff Value in Embedded .res ..       54.0 Degree
PLAT978_ALERT_2_G Number C-C Bonds with Positive Residual Density.          0 Info

   0 ALERT level A = Most likely a serious problem - resolve or explain
   1 ALERT level B = A potentially serious problem, consider carefully
   8 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   6 ALERT level G = General information/check it is not something unexpected

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   8 ALERT type 2 Indicator that the structure model may be wrong or deficient
   4 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion
   2 ALERT type 5 Informative message, check




Datablock: 2


Alert level C
PLAT241_ALERT_2_C High   'MainMol' Ueq as Compared to Neighbors of        C15 Check
PLAT340_ALERT_3_C Low Bond Precision on  C-C Bonds ...............    0.00583 Ang.
PLAT906_ALERT_3_C Large K Value in the Analysis of Variance ......      4.386 Check

Alert level G
PLAT083_ALERT_2_G SHELXL Second Parameter in WGHT  Unusually Large      17.68 Why ?
PLAT303_ALERT_2_G Full Occupancy Atom H1        with # Connections       2.00 Check
PLAT303_ALERT_2_G Full Occupancy Atom H2        with # Connections       2.00 Check
PLAT794_ALERT_5_G Tentative Bond Valency for Al1       (III)     .       3.18 Info
PLAT870_ALERT_4_G ALERTS Related to Twinning Effects Suppressed ..          ! Info
PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L=  0.600         34 Note
PLAT941_ALERT_3_G Average HKL Measurement Multiplicity ...........        1.0 Low

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
   3 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   7 ALERT level G = General information/check it is not something unexpected

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   4 ALERT type 2 Indicator that the structure model may be wrong or deficient
   3 ALERT type 3 Indicator that the structure quality may be low
   2 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check




Datablock: 3


Alert level C
PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density ....       2.20 Report
PLAT910_ALERT_3_C Missing # of FCF Reflection(s) Below Theta(Min).          5 Note

Alert level G
PLAT154_ALERT_1_G The s.u.'s on the Cell Angles are Equal ..(Note)      0.005 Degree
PLAT303_ALERT_2_G Full Occupancy Atom H1        with # Connections       2.00 Check
PLAT303_ALERT_2_G Full Occupancy Atom H3        with # Connections       2.00 Check
PLAT794_ALERT_5_G Tentative Bond Valency for Al1       (III)     .       2.92 Info
PLAT883_ALERT_1_G No Info/Value for _atom_sites_solution_primary .     Please Do !
PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L=  0.600         58 Note
PLAT941_ALERT_3_G Average HKL Measurement Multiplicity ...........        2.8 Low
PLAT978_ALERT_2_G Number C-C Bonds with Positive Residual Density.          2 Info

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
   2 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   8 ALERT level G = General information/check it is not something unexpected

   2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   4 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check

Computing details top

For all structures, data collection: CrysAlis PRO (Rigaku OD, 2021); cell refinement: CrysAlis PRO (Rigaku OD, 2021); data reduction: CrysAlis PRO (Rigaku OD, 2021). Program(s) used to solve structure: SHELXT (Sheldrick, 2015a) for (1), (2); SHELXS (Sheldrick, 2008) for (3). For all structures, program(s) used to refine structure: SHELXL (Sheldrick, 2015b); molecular graphics: Mercury (Macrae et al., 2020); software used to prepare material for publication: SHELXL (Sheldrick, 2015b).

Bis[bis(trimethylsilyl)amido-2κN]-µ-hydrido-hydrido-2κH-(N,N,N',N'',N''-pentamethyldiethylenetriamine-1κ³N,N',N'')(tetrahydrofuran-1κO)aluminiumsodium (1) top

Crystal data top

[AlNa(C₆H₁₈NSi₂)₂H₂(C₄H₈O)(C₉H₂₃N₃)]	F(000) = 1368
M_r = 618.18	D_x = 1.033 Mg m⁻³
Monoclinic, P2₁/n	Mo Kα radiation, λ = 0.71073 Å
a = 11.9127 (9) Å	Cell parameters from 5988 reflections
b = 18.1837 (12) Å	θ = 3.6–26.2°
c = 18.4076 (13) Å	µ = 0.21 mm⁻¹
β = 94.420 (7)°	T = 200 K
V = 3975.5 (5) Å³	Block, colourless
Z = 4	0.30 × 0.20 × 0.20 mm

Data collection top

Oxford Diffraction Gemini E diffractometer	5685 reflections with I > 2σ(I)
Radiation source: sealed tube	R_int = 0.063
ω scans	θ_max = 27.0°, θ_min = 3.4°
Absorption correction: multi-scan (CrysalisPro; Rigaku OD, 2021)	h = −14→14
T_min = 0.763, T_max = 1.000	k = −21→23
29795 measured reflections	l = −23→23
8563 independent reflections

Refinement top

Refinement on F²	Primary atom site location: dual
Least-squares matrix: full	Hydrogen site location: mixed
R[F² > 2σ(F²)] = 0.058	H atoms treated by a mixture of independent and constrained refinement
wR(F²) = 0.155	w = 1/[σ²(F_o²) + (0.0595P)² + 1.3148P] where P = (F_o² + 2F_c²)/3
S = 1.05	(Δ/σ)_max = 0.001
8563 reflections	Δρ_max = 0.28 e Å⁻³
359 parameters	Δρ_min = −0.24 e Å⁻³
0 restraints

Special details top

Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq
Al1	0.63956 (7)	0.59440 (4)	0.80712 (4)	0.0331 (2)
Na1	0.55685 (8)	0.72504 (5)	0.94113 (5)	0.0348 (2)
Si1	0.44880 (7)	0.52445 (5)	0.70025 (4)	0.0448 (2)
Si2	0.60346 (7)	0.63621 (4)	0.64509 (4)	0.0381 (2)
Si3	0.85525 (7)	0.50748 (4)	0.80247 (4)	0.0397 (2)
Si4	0.88537 (7)	0.66751 (5)	0.82632 (5)	0.0437 (2)
O1	0.68222 (18)	0.67243 (11)	1.03006 (11)	0.0518 (5)
N1	0.56066 (18)	0.58335 (12)	0.71501 (11)	0.0343 (5)
N2	0.79757 (18)	0.59425 (11)	0.80660 (11)	0.0344 (5)
N3	0.5768 (2)	0.85845 (12)	0.97529 (13)	0.0423 (6)
N4	0.3864 (2)	0.78852 (14)	0.88184 (12)	0.0466 (6)
N5	0.3906 (2)	0.66856 (13)	0.99193 (13)	0.0438 (6)
C1	0.4592 (4)	0.4664 (2)	0.6168 (2)	0.0799 (12)
H1A	0.453165	0.497888	0.573465	0.120*
H1B	0.397962	0.430276	0.613477	0.120*
H1C	0.531733	0.440805	0.619912	0.120*
C2	0.4317 (3)	0.4567 (2)	0.7748 (2)	0.0759 (12)
H2A	0.499070	0.425762	0.781334	0.114*
H2B	0.365773	0.425688	0.762000	0.114*
H2C	0.421113	0.482991	0.820250	0.114*
C3	0.3115 (3)	0.5748 (3)	0.6918 (2)	0.0854 (13)
H3A	0.300833	0.600689	0.737434	0.128*
H3B	0.249910	0.539693	0.681527	0.128*
H3C	0.311754	0.610512	0.651871	0.128*
C4	0.4936 (3)	0.6539 (2)	0.56844 (18)	0.0660 (10)
H4A	0.472300	0.607375	0.544316	0.099*
H4B	0.523876	0.687488	0.533180	0.099*
H4C	0.427118	0.676149	0.587811	0.099*
C5	0.7243 (3)	0.59371 (19)	0.60198 (18)	0.0623 (10)
H5A	0.787843	0.587871	0.638592	0.093*
H5B	0.746598	0.625467	0.562570	0.093*
H5C	0.701865	0.545431	0.582120	0.093*
C6	0.6453 (3)	0.73071 (16)	0.67637 (18)	0.0565 (8)
H6A	0.580992	0.755089	0.696218	0.085*
H6B	0.669284	0.759156	0.635073	0.085*
H6C	0.707629	0.727456	0.714223	0.085*
C7	0.7618 (3)	0.44199 (16)	0.74853 (18)	0.0561 (8)
H7A	0.689997	0.437673	0.770779	0.084*
H7B	0.798140	0.393656	0.747910	0.084*
H7C	0.748243	0.460203	0.698514	0.084*
C8	0.9917 (3)	0.50652 (19)	0.75711 (18)	0.0598 (9)
H8A	0.978653	0.524917	0.707126	0.090*
H8B	1.020649	0.456114	0.756174	0.090*
H8C	1.046738	0.538037	0.784416	0.090*
C9	0.8824 (3)	0.46502 (17)	0.89489 (17)	0.0515 (8)
H9A	0.941049	0.493006	0.923096	0.077*
H9B	0.907408	0.414071	0.889685	0.077*
H9C	0.813040	0.465772	0.920227	0.077*
C10	0.8152 (3)	0.74902 (17)	0.8652 (2)	0.0608 (9)
H10A	0.750759	0.763914	0.832232	0.091*
H10B	0.869008	0.789767	0.871064	0.091*
H10C	0.789172	0.736068	0.912808	0.091*
C11	1.0014 (3)	0.6463 (2)	0.8979 (2)	0.0668 (10)
H11A	0.968960	0.628249	0.941836	0.100*
H11B	1.045002	0.691043	0.909527	0.100*
H11C	1.050798	0.608593	0.879638	0.100*
C12	0.9562 (3)	0.7009 (2)	0.7452 (2)	0.0727 (11)
H12A	1.007383	0.662841	0.729602	0.109*
H12B	0.998983	0.745648	0.758126	0.109*
H12C	0.899180	0.711685	0.705338	0.109*
C13	0.7129 (4)	0.59808 (19)	1.0185 (2)	0.0794 (13)
H13A	0.739248	0.592384	0.969087	0.095*
H13B	0.646853	0.565664	1.022377	0.095*
C14	0.8028 (3)	0.5774 (2)	1.0734 (2)	0.0657 (10)
H14A	0.866077	0.553911	1.050396	0.079*
H14B	0.774472	0.543060	1.109473	0.079*
C15	0.8383 (4)	0.6473 (2)	1.1081 (2)	0.0865 (14)
H15A	0.903577	0.668296	1.085061	0.104*
H15B	0.859096	0.640319	1.160768	0.104*
C16	0.7383 (3)	0.6958 (2)	1.0963 (2)	0.0650 (10)
H16A	0.688769	0.690686	1.136820	0.078*
H16B	0.761539	0.747928	1.093089	0.078*
C17	0.6899 (3)	0.89006 (19)	0.9743 (2)	0.0654 (10)
H17A	0.742078	0.862904	1.008247	0.098*
H17B	0.688110	0.941800	0.989076	0.098*
H17C	0.715079	0.886581	0.924999	0.098*
C18	0.5413 (3)	0.86402 (18)	1.04925 (17)	0.0578 (9)
H18A	0.467986	0.840096	1.051605	0.087*
H18B	0.535260	0.915954	1.062622	0.087*
H18C	0.596965	0.839744	1.083183	0.087*
C19	0.5011 (3)	0.89715 (17)	0.92279 (18)	0.0578 (9)
H19A	0.535441	0.898517	0.875505	0.069*
H19B	0.493323	0.948554	0.939388	0.069*
C20	0.3867 (3)	0.86384 (18)	0.91131 (19)	0.0594 (9)
H20A	0.351778	0.863152	0.958411	0.071*
H20B	0.339517	0.895394	0.877408	0.071*
C21	0.3929 (3)	0.7908 (2)	0.80280 (17)	0.0719 (11)
H21A	0.459166	0.819221	0.791375	0.108*
H21B	0.324847	0.814149	0.779988	0.108*
H21C	0.398900	0.740625	0.784108	0.108*
C22	0.2871 (3)	0.7477 (2)	0.89959 (19)	0.0603 (9)
H22A	0.275253	0.706168	0.865093	0.072*
H22B	0.220562	0.780358	0.892814	0.072*
C23	0.2948 (3)	0.71804 (19)	0.97632 (17)	0.0553 (8)
H23A	0.301165	0.759769	1.010931	0.066*
H23B	0.224432	0.691265	0.984341	0.066*
C24	0.4038 (3)	0.6565 (2)	1.07060 (19)	0.0701 (10)
H24A	0.469178	0.624809	1.082520	0.105*
H24B	0.336009	0.632814	1.086492	0.105*
H24C	0.415160	0.703849	1.095551	0.105*
C25	0.3733 (4)	0.5992 (2)	0.9539 (2)	0.0809 (12)
H25A	0.376104	0.607081	0.901433	0.121*
H25B	0.299568	0.579044	0.963589	0.121*
H25C	0.432434	0.564443	0.971050	0.121*
H1	0.598 (2)	0.6691 (15)	0.8409 (15)	0.052 (8)*
H2	0.607 (2)	0.5328 (15)	0.8589 (15)	0.052 (8)*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Al1	0.0318 (4)	0.0404 (5)	0.0275 (4)	0.0016 (3)	0.0042 (3)	−0.0022 (3)
Na1	0.0359 (6)	0.0337 (6)	0.0350 (5)	0.0033 (4)	0.0037 (4)	−0.0001 (4)
Si1	0.0394 (5)	0.0590 (5)	0.0357 (4)	−0.0115 (4)	0.0002 (4)	0.0008 (4)
Si2	0.0414 (5)	0.0422 (5)	0.0314 (4)	0.0027 (3)	0.0065 (3)	0.0047 (3)
Si3	0.0384 (4)	0.0408 (4)	0.0400 (4)	0.0079 (3)	0.0036 (3)	−0.0035 (3)
Si4	0.0397 (5)	0.0446 (5)	0.0469 (5)	−0.0087 (4)	0.0047 (4)	−0.0040 (4)
O1	0.0556 (13)	0.0492 (13)	0.0482 (12)	0.0099 (10)	−0.0120 (10)	0.0016 (10)
N1	0.0322 (12)	0.0434 (13)	0.0275 (11)	0.0004 (10)	0.0045 (9)	0.0001 (9)
N2	0.0336 (12)	0.0350 (12)	0.0349 (12)	0.0023 (9)	0.0032 (10)	−0.0022 (10)
N3	0.0510 (15)	0.0330 (13)	0.0439 (13)	0.0007 (11)	0.0094 (12)	0.0015 (10)
N4	0.0460 (15)	0.0570 (16)	0.0367 (13)	0.0075 (12)	0.0030 (11)	0.0063 (12)
N5	0.0441 (14)	0.0431 (14)	0.0447 (14)	−0.0069 (11)	0.0059 (11)	0.0040 (11)
C1	0.101 (3)	0.083 (3)	0.055 (2)	−0.034 (2)	0.007 (2)	−0.023 (2)
C2	0.073 (3)	0.090 (3)	0.062 (2)	−0.041 (2)	−0.0040 (19)	0.017 (2)
C3	0.039 (2)	0.120 (3)	0.096 (3)	−0.005 (2)	−0.003 (2)	0.011 (3)
C4	0.075 (3)	0.074 (2)	0.0466 (19)	0.0054 (19)	−0.0068 (18)	0.0160 (17)
C5	0.072 (2)	0.064 (2)	0.055 (2)	0.0109 (18)	0.0310 (18)	0.0117 (17)
C6	0.073 (2)	0.0442 (18)	0.0532 (19)	−0.0041 (16)	0.0105 (17)	0.0077 (15)
C7	0.070 (2)	0.0357 (17)	0.061 (2)	0.0084 (15)	−0.0011 (17)	−0.0102 (15)
C8	0.051 (2)	0.070 (2)	0.061 (2)	0.0158 (17)	0.0163 (17)	−0.0086 (17)
C9	0.0486 (19)	0.0513 (19)	0.0542 (19)	0.0080 (14)	0.0006 (15)	0.0055 (15)
C10	0.067 (2)	0.0426 (18)	0.072 (2)	−0.0112 (16)	0.0024 (19)	−0.0153 (16)
C11	0.050 (2)	0.076 (2)	0.072 (2)	−0.0141 (17)	−0.0112 (18)	−0.011 (2)
C12	0.069 (2)	0.079 (3)	0.073 (2)	−0.020 (2)	0.019 (2)	0.010 (2)
C13	0.095 (3)	0.052 (2)	0.084 (3)	0.0189 (19)	−0.041 (2)	−0.018 (2)
C14	0.063 (2)	0.067 (2)	0.065 (2)	0.0156 (18)	−0.0102 (19)	−0.0038 (19)
C15	0.080 (3)	0.081 (3)	0.091 (3)	0.026 (2)	−0.043 (2)	−0.029 (2)
C16	0.065 (2)	0.058 (2)	0.068 (2)	0.0061 (17)	−0.0147 (19)	−0.0146 (18)
C17	0.068 (2)	0.057 (2)	0.073 (2)	−0.0197 (18)	0.016 (2)	−0.0072 (18)
C18	0.078 (2)	0.0506 (19)	0.0462 (18)	0.0016 (17)	0.0128 (17)	−0.0060 (15)
C19	0.079 (3)	0.0402 (18)	0.0543 (19)	0.0095 (17)	0.0064 (18)	0.0056 (15)
C20	0.061 (2)	0.055 (2)	0.062 (2)	0.0246 (17)	0.0062 (18)	0.0155 (17)
C21	0.082 (3)	0.092 (3)	0.0418 (18)	0.011 (2)	0.0010 (18)	0.0126 (19)
C22	0.0409 (18)	0.077 (2)	0.062 (2)	0.0038 (16)	−0.0059 (16)	0.0061 (18)
C23	0.0389 (18)	0.071 (2)	0.0568 (19)	−0.0030 (16)	0.0111 (15)	0.0008 (17)
C24	0.071 (2)	0.084 (3)	0.056 (2)	−0.017 (2)	0.0095 (18)	0.0195 (19)
C25	0.087 (3)	0.059 (2)	0.099 (3)	−0.016 (2)	0.026 (3)	−0.014 (2)

Geometric parameters (Å, º) top

Al1—N2	1.883 (2)	C7—H7A	0.9800
Al1—N1	1.885 (2)	C7—H7B	0.9800
Al1—H1	1.59 (3)	C7—H7C	0.9800
Al1—H2	1.54 (3)	C8—H8A	0.9800
Na1—O1	2.334 (2)	C8—H8B	0.9800
Na1—N5	2.477 (3)	C8—H8C	0.9800
Na1—N4	2.511 (3)	C9—H9A	0.9800
Na1—N3	2.513 (2)	C9—H9B	0.9800
Na1—H1	2.19 (3)	C9—H9C	0.9800
Si1—N1	1.715 (2)	C10—H10A	0.9800
Si1—C2	1.868 (3)	C10—H10B	0.9800
Si1—C3	1.871 (4)	C10—H10C	0.9800
Si1—C1	1.875 (4)	C11—H11A	0.9800
Si2—N1	1.715 (2)	C11—H11B	0.9800
Si2—C5	1.864 (3)	C11—H11C	0.9800
Si2—C6	1.868 (3)	C12—H12A	0.9800
Si2—C4	1.877 (3)	C12—H12B	0.9800
Si3—N2	1.725 (2)	C12—H12C	0.9800
Si3—C7	1.863 (3)	C13—C14	1.464 (5)
Si3—C9	1.873 (3)	C13—H13A	0.9900
Si3—C8	1.884 (3)	C13—H13B	0.9900
Si4—N2	1.715 (2)	C14—C15	1.470 (5)
Si4—C10	1.871 (3)	C14—H14A	0.9900
Si4—C12	1.872 (3)	C14—H14B	0.9900
Si4—C11	1.874 (4)	C15—C16	1.485 (5)
O1—C16	1.411 (4)	C15—H15A	0.9900
O1—C13	1.421 (4)	C15—H15B	0.9900
N3—C19	1.451 (4)	C16—H16A	0.9900
N3—C18	1.460 (4)	C16—H16B	0.9900
N3—C17	1.466 (4)	C17—H17A	0.9800
N4—C22	1.455 (4)	C17—H17B	0.9800
N4—C21	1.463 (4)	C17—H17C	0.9800
N4—C20	1.473 (4)	C18—H18A	0.9800
N5—C25	1.450 (4)	C18—H18B	0.9800
N5—C24	1.461 (4)	C18—H18C	0.9800
N5—C23	1.464 (4)	C19—C20	1.492 (5)
C1—H1A	0.9800	C19—H19A	0.9900
C1—H1B	0.9800	C19—H19B	0.9900
C1—H1C	0.9800	C20—H20A	0.9900
C2—H2A	0.9800	C20—H20B	0.9900
C2—H2B	0.9800	C21—H21A	0.9800
C2—H2C	0.9800	C21—H21B	0.9800
C3—H3A	0.9800	C21—H21C	0.9800
C3—H3B	0.9800	C22—C23	1.508 (4)
C3—H3C	0.9800	C22—H22A	0.9900
C4—H4A	0.9800	C22—H22B	0.9900
C4—H4B	0.9800	C23—H23A	0.9900
C4—H4C	0.9800	C23—H23B	0.9900
C5—H5A	0.9800	C24—H24A	0.9800
C5—H5B	0.9800	C24—H24B	0.9800
C5—H5C	0.9800	C24—H24C	0.9800
C6—H6A	0.9800	C25—H25A	0.9800
C6—H6B	0.9800	C25—H25B	0.9800
C6—H6C	0.9800	C25—H25C	0.9800

N2—Al1—N1	115.12 (10)	Si3—C8—H8A	109.5
N2—Al1—H1	110.3 (11)	Si3—C8—H8B	109.5
N1—Al1—H1	107.0 (10)	H8A—C8—H8B	109.5
N2—Al1—H2	107.5 (11)	Si3—C8—H8C	109.5
N1—Al1—H2	110.4 (11)	H8A—C8—H8C	109.5
H1—Al1—H2	106.2 (15)	H8B—C8—H8C	109.5
O1—Na1—N5	93.00 (9)	Si3—C9—H9A	109.5
O1—Na1—N4	161.00 (9)	Si3—C9—H9B	109.5
N5—Na1—N4	73.23 (9)	H9A—C9—H9B	109.5
O1—Na1—N3	100.21 (8)	Si3—C9—H9C	109.5
N5—Na1—N3	111.63 (9)	H9A—C9—H9C	109.5
N4—Na1—N3	73.89 (9)	H9B—C9—H9C	109.5
O1—Na1—H1	103.2 (7)	Si4—C10—H10A	109.5
N5—Na1—H1	111.1 (8)	Si4—C10—H10B	109.5
N4—Na1—H1	94.1 (8)	H10A—C10—H10B	109.5
N3—Na1—H1	129.4 (7)	Si4—C10—H10C	109.5
N1—Si1—C2	115.05 (14)	H10A—C10—H10C	109.5
N1—Si1—C3	111.78 (16)	H10B—C10—H10C	109.5
C2—Si1—C3	103.9 (2)	Si4—C11—H11A	109.5
N1—Si1—C1	112.45 (15)	Si4—C11—H11B	109.5
C2—Si1—C1	104.39 (19)	H11A—C11—H11B	109.5
C3—Si1—C1	108.6 (2)	Si4—C11—H11C	109.5
N1—Si2—C5	111.77 (13)	H11A—C11—H11C	109.5
N1—Si2—C6	111.84 (12)	H11B—C11—H11C	109.5
C5—Si2—C6	108.43 (16)	Si4—C12—H12A	109.5
N1—Si2—C4	115.45 (14)	Si4—C12—H12B	109.5
C5—Si2—C4	105.54 (17)	H12A—C12—H12B	109.5
C6—Si2—C4	103.18 (17)	Si4—C12—H12C	109.5
N2—Si3—C7	112.61 (13)	H12A—C12—H12C	109.5
N2—Si3—C9	112.24 (12)	H12B—C12—H12C	109.5
C7—Si3—C9	105.96 (15)	O1—C13—C14	108.9 (3)
N2—Si3—C8	112.84 (13)	O1—C13—H13A	109.9
C7—Si3—C8	104.96 (15)	C14—C13—H13A	109.9
C9—Si3—C8	107.70 (15)	O1—C13—H13B	109.9
N2—Si4—C10	114.41 (13)	C14—C13—H13B	109.9
N2—Si4—C12	112.82 (15)	H13A—C13—H13B	108.3
C10—Si4—C12	106.89 (17)	C13—C14—C15	104.5 (3)
N2—Si4—C11	113.19 (14)	C13—C14—H14A	110.9
C10—Si4—C11	102.75 (17)	C15—C14—H14A	110.9
C12—Si4—C11	105.92 (18)	C13—C14—H14B	110.9
C16—O1—C13	107.9 (2)	C15—C14—H14B	110.9
C16—O1—Na1	135.86 (19)	H14A—C14—H14B	108.9
C13—O1—Na1	116.29 (19)	C14—C15—C16	104.4 (3)
Si1—N1—Si2	120.23 (13)	C14—C15—H15A	110.9
Si1—N1—Al1	122.45 (12)	C16—C15—H15A	110.9
Si2—N1—Al1	117.31 (12)	C14—C15—H15B	110.9
Si4—N2—Si3	118.77 (13)	C16—C15—H15B	110.9
Si4—N2—Al1	126.25 (12)	H15A—C15—H15B	108.9
Si3—N2—Al1	113.78 (12)	O1—C16—C15	105.6 (3)
C19—N3—C18	112.2 (3)	O1—C16—H16A	110.6
C19—N3—C17	109.0 (3)	C15—C16—H16A	110.6
C18—N3—C17	108.4 (3)	O1—C16—H16B	110.6
C19—N3—Na1	105.05 (18)	C15—C16—H16B	110.6
C18—N3—Na1	105.78 (17)	H16A—C16—H16B	108.8
C17—N3—Na1	116.38 (19)	N3—C17—H17A	109.5
C22—N4—C21	110.1 (3)	N3—C17—H17B	109.5
C22—N4—C20	111.7 (3)	H17A—C17—H17B	109.5
C21—N4—C20	109.9 (3)	N3—C17—H17C	109.5
C22—N4—Na1	108.21 (18)	H17A—C17—H17C	109.5
C21—N4—Na1	110.0 (2)	H17B—C17—H17C	109.5
C20—N4—Na1	106.78 (18)	N3—C18—H18A	109.5
C25—N5—C24	110.4 (3)	N3—C18—H18B	109.5
C25—N5—C23	111.1 (3)	H18A—C18—H18B	109.5
C24—N5—C23	108.0 (3)	N3—C18—H18C	109.5
C25—N5—Na1	105.5 (2)	H18A—C18—H18C	109.5
C24—N5—Na1	114.1 (2)	H18B—C18—H18C	109.5
C23—N5—Na1	107.76 (17)	N3—C19—C20	114.3 (3)
Si1—C1—H1A	109.5	N3—C19—H19A	108.7
Si1—C1—H1B	109.5	C20—C19—H19A	108.7
H1A—C1—H1B	109.5	N3—C19—H19B	108.7
Si1—C1—H1C	109.5	C20—C19—H19B	108.7
H1A—C1—H1C	109.5	H19A—C19—H19B	107.6
H1B—C1—H1C	109.5	N4—C20—C19	113.9 (3)
Si1—C2—H2A	109.5	N4—C20—H20A	108.8
Si1—C2—H2B	109.5	C19—C20—H20A	108.8
H2A—C2—H2B	109.5	N4—C20—H20B	108.8
Si1—C2—H2C	109.5	C19—C20—H20B	108.8
H2A—C2—H2C	109.5	H20A—C20—H20B	107.7
H2B—C2—H2C	109.5	N4—C21—H21A	109.5
Si1—C3—H3A	109.5	N4—C21—H21B	109.5
Si1—C3—H3B	109.5	H21A—C21—H21B	109.5
H3A—C3—H3B	109.5	N4—C21—H21C	109.5
Si1—C3—H3C	109.5	H21A—C21—H21C	109.5
H3A—C3—H3C	109.5	H21B—C21—H21C	109.5
H3B—C3—H3C	109.5	N4—C22—C23	113.6 (3)
Si2—C4—H4A	109.5	N4—C22—H22A	108.8
Si2—C4—H4B	109.5	C23—C22—H22A	108.8
H4A—C4—H4B	109.5	N4—C22—H22B	108.8
Si2—C4—H4C	109.5	C23—C22—H22B	108.8
H4A—C4—H4C	109.5	H22A—C22—H22B	107.7
H4B—C4—H4C	109.5	N5—C23—C22	113.2 (3)
Si2—C5—H5A	109.5	N5—C23—H23A	108.9
Si2—C5—H5B	109.5	C22—C23—H23A	108.9
H5A—C5—H5B	109.5	N5—C23—H23B	108.9
Si2—C5—H5C	109.5	C22—C23—H23B	108.9
H5A—C5—H5C	109.5	H23A—C23—H23B	107.8
H5B—C5—H5C	109.5	N5—C24—H24A	109.5
Si2—C6—H6A	109.5	N5—C24—H24B	109.5
Si2—C6—H6B	109.5	H24A—C24—H24B	109.5
H6A—C6—H6B	109.5	N5—C24—H24C	109.5
Si2—C6—H6C	109.5	H24A—C24—H24C	109.5
H6A—C6—H6C	109.5	H24B—C24—H24C	109.5
H6B—C6—H6C	109.5	N5—C25—H25A	109.5
Si3—C7—H7A	109.5	N5—C25—H25B	109.5
Si3—C7—H7B	109.5	H25A—C25—H25B	109.5
H7A—C7—H7B	109.5	N5—C25—H25C	109.5
Si3—C7—H7C	109.5	H25A—C25—H25C	109.5
H7A—C7—H7C	109.5	H25B—C25—H25C	109.5
H7B—C7—H7C	109.5

C2—Si1—N1—Si2	167.40 (19)	C8—Si3—N2—Al1	151.73 (15)
C3—Si1—N1—Si2	−74.4 (2)	N1—Al1—N2—Si4	112.19 (15)
C1—Si1—N1—Si2	48.1 (2)	N1—Al1—N2—Si3	−80.58 (14)
C2—Si1—N1—Al1	−13.7 (2)	C16—O1—C13—C14	−8.2 (5)
C3—Si1—N1—Al1	104.5 (2)	Na1—O1—C13—C14	172.3 (3)
C1—Si1—N1—Al1	−133.02 (19)	O1—C13—C14—C15	−11.0 (5)
C5—Si2—N1—Si1	−97.36 (19)	C13—C14—C15—C16	24.8 (5)
C6—Si2—N1—Si1	140.84 (16)	C13—O1—C16—C15	23.9 (4)
C4—Si2—N1—Si1	23.3 (2)	Na1—O1—C16—C15	−156.7 (3)
C5—Si2—N1—Al1	83.68 (18)	C14—C15—C16—O1	−30.4 (5)
C6—Si2—N1—Al1	−38.12 (19)	C18—N3—C19—C20	−67.6 (4)
C4—Si2—N1—Al1	−155.69 (16)	C17—N3—C19—C20	172.3 (3)
N2—Al1—N1—Si1	134.48 (13)	Na1—N3—C19—C20	46.9 (3)
N2—Al1—N1—Si2	−46.58 (16)	C22—N4—C20—C19	155.9 (3)
C10—Si4—N2—Si3	−156.81 (16)	C21—N4—C20—C19	−81.5 (3)
C12—Si4—N2—Si3	80.7 (2)	Na1—N4—C20—C19	37.8 (3)
C11—Si4—N2—Si3	−39.6 (2)	N3—C19—C20—N4	−62.2 (4)
C10—Si4—N2—Al1	9.8 (2)	C21—N4—C22—C23	158.3 (3)
C12—Si4—N2—Al1	−112.65 (19)	C20—N4—C22—C23	−79.3 (3)
C11—Si4—N2—Al1	127.09 (18)	Na1—N4—C22—C23	38.0 (3)
C7—Si3—N2—Si4	−158.62 (15)	C25—N5—C23—C22	−71.0 (4)
C9—Si3—N2—Si4	81.91 (17)	C24—N5—C23—C22	167.7 (3)
C8—Si3—N2—Si4	−40.01 (19)	Na1—N5—C23—C22	44.0 (3)
C7—Si3—N2—Al1	33.12 (18)	N4—C22—C23—N5	−58.8 (4)
C9—Si3—N2—Al1	−86.35 (16)

Tetrakis[bis(trimethylsilyl)amido]-3κ²N,4κ²N-tetra-µ-hydrido-tetrakis(tetrahydrofuran)-1κ²O,2κ²O-dialuminiumdisodium (2) top

Crystal data top

[Al₂Na₂(C₆H₁₈NSi₂)₄H₄(C₄H₈O)₄]	F(000) = 2272
M_r = 1033.96	D_x = 1.088 Mg m⁻³
Monoclinic, C2/c	Cu Kα radiation, λ = 1.54184 Å
a = 22.4151 (4) Å	Cell parameters from 24656 reflections
b = 17.2323 (2) Å	θ = 2.7–72.5°
c = 17.4649 (3) Å	µ = 2.29 mm⁻¹
β = 110.674 (2)°	T = 100 K
V = 6311.64 (19) Å³	Fragment, colourless
Z = 4	0.25 × 0.20 × 0.10 mm

Data collection top

Rigaku Synergy-i diffractometer	5781 reflections with I > 2σ(I)
Radiation source: microsource tube	R_int = 0.063
ω scans	θ_max = 72.8°, θ_min = 3.3°
Absorption correction: multi-scan (CrysalisPro; Rigaku OD, 2021)	h = −27→27
T_min = 0.121, T_max = 1.000	k = −21→21
40833 measured reflections	l = −21→21
6268 independent reflections

Refinement top

Refinement on F²	Primary atom site location: dual
Least-squares matrix: full	Hydrogen site location: mixed
R[F² > 2σ(F²)] = 0.053	H atoms treated by a mixture of independent and constrained refinement
wR(F²) = 0.160	w = 1/[σ²(F_o²) + (0.0641P)² + 17.678P] where P = (F_o² + 2F_c²)/3
S = 1.13	(Δ/σ)_max = 0.001
6268 reflections	Δρ_max = 0.36 e Å⁻³
293 parameters	Δρ_min = −0.42 e Å⁻³
0 restraints

Special details top

Refinement. Refined as a two-component twin.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq
Al1	0.48738 (4)	0.74554 (5)	0.40514 (5)	0.02599 (19)
Na1	0.500000	0.88645 (9)	0.250000	0.0325 (4)
Na2	0.500000	0.61172 (9)	0.250000	0.0341 (4)
Si1	0.62196 (4)	0.80971 (4)	0.46633 (5)	0.02963 (19)
Si2	0.58845 (4)	0.68549 (4)	0.56835 (5)	0.02967 (19)
Si3	0.41149 (4)	0.81457 (4)	0.50915 (5)	0.02863 (19)
Si4	0.34965 (4)	0.69261 (5)	0.38716 (5)	0.0320 (2)
O1	0.57142 (11)	0.97423 (12)	0.23571 (13)	0.0377 (5)
O2	0.57085 (12)	0.52024 (13)	0.31969 (13)	0.0460 (6)
N1	0.56860 (11)	0.74909 (13)	0.48689 (14)	0.0272 (5)
N2	0.41601 (11)	0.74821 (13)	0.43715 (14)	0.0278 (5)
C1	0.59865 (16)	0.91507 (18)	0.4541 (2)	0.0385 (7)
H1A	0.554713	0.920006	0.415707	0.058*
H1B	0.627356	0.943553	0.432883	0.058*
H1C	0.601733	0.936564	0.507309	0.058*
C2	0.70269 (15)	0.8121 (2)	0.5490 (2)	0.0436 (8)
H2A	0.698200	0.825640	0.601215	0.065*
H2B	0.729328	0.850928	0.535467	0.065*
H2C	0.722745	0.760917	0.553606	0.065*
C3	0.63416 (15)	0.7790 (2)	0.36960 (19)	0.0381 (7)
H3A	0.654264	0.727664	0.377494	0.057*
H3B	0.661732	0.816621	0.356140	0.057*
H3C	0.592847	0.776663	0.324765	0.057*
C4	0.66680 (16)	0.63313 (19)	0.5912 (2)	0.0436 (8)
H4A	0.676244	0.627973	0.540759	0.065*
H4B	0.663986	0.581467	0.613140	0.065*
H4C	0.700857	0.662756	0.631567	0.065*
C5	0.59591 (16)	0.73563 (19)	0.66691 (18)	0.0392 (7)
H5A	0.627146	0.777728	0.677101	0.059*
H5B	0.610032	0.698241	0.712042	0.059*
H5C	0.554421	0.757047	0.662961	0.059*
C6	0.52614 (16)	0.60790 (18)	0.54800 (19)	0.0384 (7)
H6A	0.484882	0.631662	0.541356	0.058*
H6B	0.537915	0.571569	0.594118	0.058*
H6C	0.523034	0.579928	0.497882	0.058*
C7	0.47767 (14)	0.88716 (17)	0.53522 (18)	0.0330 (6)
H7A	0.518695	0.860368	0.558584	0.050*
H7B	0.472896	0.924276	0.575190	0.050*
H7C	0.476106	0.914898	0.485563	0.050*
C8	0.33596 (15)	0.87377 (18)	0.4736 (2)	0.0367 (7)
H8A	0.333389	0.902770	0.424218	0.055*
H8B	0.336152	0.910169	0.516749	0.055*
H8C	0.299062	0.839154	0.461174	0.055*
C9	0.41473 (17)	0.76732 (18)	0.60776 (19)	0.0383 (7)
H9A	0.371958	0.749761	0.602880	0.057*
H9B	0.430228	0.804880	0.652582	0.057*
H9C	0.443697	0.722728	0.619133	0.057*
C10	0.29033 (17)	0.7455 (2)	0.2992 (2)	0.0489 (9)
H10A	0.273983	0.790570	0.319801	0.073*
H10B	0.254933	0.710651	0.270487	0.073*
H10C	0.311072	0.762878	0.261331	0.073*
C11	0.30752 (17)	0.6617 (2)	0.4580 (2)	0.0455 (8)
H11A	0.337589	0.634616	0.505253	0.068*
H11B	0.272266	0.626814	0.428917	0.068*
H11C	0.290734	0.707547	0.476773	0.068*
C12	0.36677 (19)	0.5996 (2)	0.3437 (3)	0.0561 (10)
H12A	0.378534	0.610788	0.295846	0.084*
H12B	0.328708	0.566634	0.327294	0.084*
H12C	0.402040	0.572692	0.385153	0.084*
C13	0.58808 (17)	1.04898 (18)	0.2724 (2)	0.0416 (7)
H13A	0.576298	1.053510	0.321741	0.050*
H13B	0.566101	1.090399	0.233316	0.050*
C14	0.65940 (19)	1.0549 (2)	0.2947 (2)	0.0547 (9)
H14A	0.682001	1.036790	0.351398	0.066*
H14B	0.672380	1.108948	0.289447	0.066*
C15	0.6732 (2)	1.0019 (3)	0.2329 (3)	0.0830 (16)
H15A	0.686751	1.032568	0.194063	0.100*
H15B	0.707222	0.964249	0.261184	0.100*
C16	0.61219 (17)	0.9610 (2)	0.1894 (2)	0.0478 (8)
H16A	0.592302	0.981604	0.133204	0.057*
H16B	0.619827	0.904706	0.185990	0.057*
C17	0.6185 (2)	0.5338 (2)	0.3979 (2)	0.0565 (10)
H17A	0.610593	0.502048	0.440596	0.068*
H17B	0.619886	0.589213	0.413246	0.068*
C18	0.68020 (19)	0.5094 (2)	0.3867 (2)	0.0559 (10)
H18A	0.712452	0.492711	0.439224	0.067*
H18B	0.697985	0.552445	0.363767	0.067*
C19	0.65973 (17)	0.4419 (2)	0.3265 (2)	0.0440 (8)
H19A	0.677828	0.447050	0.282646	0.053*
H19B	0.673445	0.391682	0.354859	0.053*
C20	0.58746 (18)	0.44804 (19)	0.2921 (2)	0.0466 (8)
H20A	0.571838	0.446523	0.231567	0.056*
H20B	0.568085	0.404319	0.311814	0.056*
H1	0.4847 (15)	0.8127 (18)	0.345 (2)	0.031 (8)*
H2	0.4846 (16)	0.675 (2)	0.352 (2)	0.040 (9)*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Al1	0.0297 (4)	0.0277 (4)	0.0201 (4)	0.0006 (3)	0.0082 (3)	0.0000 (3)
Na1	0.0435 (9)	0.0274 (8)	0.0309 (8)	0.000	0.0187 (7)	0.000
Na2	0.0473 (9)	0.0281 (8)	0.0283 (8)	0.000	0.0151 (7)	0.000
Si1	0.0308 (4)	0.0300 (4)	0.0274 (4)	−0.0012 (3)	0.0095 (3)	−0.0007 (3)
Si2	0.0366 (4)	0.0265 (4)	0.0225 (4)	0.0019 (3)	0.0061 (3)	0.0009 (3)
Si3	0.0357 (4)	0.0267 (4)	0.0257 (4)	−0.0001 (3)	0.0136 (3)	−0.0004 (3)
Si4	0.0328 (4)	0.0362 (4)	0.0271 (4)	−0.0059 (3)	0.0104 (3)	−0.0030 (3)
O1	0.0474 (12)	0.0336 (11)	0.0384 (11)	−0.0096 (9)	0.0230 (10)	−0.0095 (9)
O2	0.0650 (15)	0.0355 (12)	0.0296 (11)	0.0125 (11)	0.0068 (11)	−0.0034 (9)
N1	0.0304 (12)	0.0254 (11)	0.0233 (11)	0.0006 (9)	0.0066 (9)	−0.0015 (9)
N2	0.0311 (12)	0.0282 (12)	0.0251 (11)	−0.0005 (9)	0.0112 (9)	−0.0017 (9)
C1	0.0455 (17)	0.0330 (15)	0.0416 (17)	−0.0058 (13)	0.0211 (14)	−0.0023 (13)
C2	0.0349 (16)	0.051 (2)	0.0397 (17)	−0.0068 (14)	0.0070 (14)	−0.0024 (15)
C3	0.0376 (16)	0.0440 (17)	0.0347 (16)	0.0012 (13)	0.0153 (13)	0.0000 (13)
C4	0.0468 (18)	0.0362 (16)	0.0388 (17)	0.0084 (14)	0.0041 (14)	0.0016 (14)
C5	0.0502 (18)	0.0381 (16)	0.0264 (14)	0.0025 (14)	0.0098 (13)	0.0010 (12)
C6	0.0495 (18)	0.0304 (15)	0.0308 (15)	0.0004 (13)	0.0085 (13)	0.0058 (12)
C7	0.0410 (16)	0.0289 (14)	0.0304 (14)	0.0016 (12)	0.0140 (12)	−0.0028 (11)
C8	0.0416 (16)	0.0325 (15)	0.0406 (17)	0.0025 (12)	0.0202 (14)	0.0013 (13)
C9	0.0524 (19)	0.0352 (16)	0.0301 (15)	−0.0031 (14)	0.0181 (14)	−0.0023 (12)
C10	0.0423 (18)	0.067 (2)	0.0322 (16)	−0.0094 (16)	0.0064 (14)	0.0048 (16)
C11	0.0462 (18)	0.0499 (19)	0.0401 (17)	−0.0147 (15)	0.0149 (15)	0.0023 (15)
C12	0.052 (2)	0.053 (2)	0.065 (2)	−0.0180 (17)	0.0216 (19)	−0.0270 (19)
C13	0.058 (2)	0.0323 (16)	0.0363 (16)	−0.0070 (14)	0.0192 (15)	−0.0071 (13)
C14	0.060 (2)	0.057 (2)	0.045 (2)	−0.0206 (18)	0.0154 (17)	−0.0109 (17)
C15	0.059 (3)	0.118 (4)	0.082 (3)	−0.036 (3)	0.037 (2)	−0.047 (3)
C16	0.054 (2)	0.050 (2)	0.050 (2)	−0.0118 (16)	0.0316 (17)	−0.0158 (16)
C17	0.083 (3)	0.0425 (19)	0.0300 (16)	0.0085 (19)	0.0029 (17)	−0.0066 (14)
C18	0.064 (2)	0.045 (2)	0.044 (2)	−0.0110 (18)	0.0012 (17)	0.0013 (16)
C19	0.055 (2)	0.0398 (17)	0.0394 (17)	0.0007 (15)	0.0191 (15)	0.0029 (14)
C20	0.058 (2)	0.0321 (16)	0.0445 (18)	0.0053 (15)	0.0115 (16)	−0.0073 (14)

Geometric parameters (Å, º) top

Al1—N2	1.872 (2)	C5—H5C	0.9800
Al1—N1	1.876 (2)	C6—H6A	0.9800
Al1—H1	1.55 (3)	C6—H6B	0.9800
Al1—H2	1.53 (3)	C6—H6C	0.9800
Na1—O1ⁱ	2.279 (2)	C7—H7A	0.9800
Na1—O1	2.279 (2)	C7—H7B	0.9800
Na1—H1	2.21 (3)	C7—H7C	0.9800
Na2—O2	2.264 (2)	C8—H8A	0.9800
Na2—O2ⁱ	2.264 (2)	C8—H8B	0.9800
Na2—H2	2.21 (3)	C8—H8C	0.9800
Si1—N1	1.719 (2)	C9—H9A	0.9800
Si1—C2	1.875 (3)	C9—H9B	0.9800
Si1—C3	1.880 (3)	C9—H9C	0.9800
Si1—C1	1.880 (3)	C10—H10A	0.9800
Si2—N1	1.725 (2)	C10—H10B	0.9800
Si2—C6	1.875 (3)	C10—H10C	0.9800
Si2—C5	1.880 (3)	C11—H11A	0.9800
Si2—C4	1.887 (3)	C11—H11B	0.9800
Si3—N2	1.729 (2)	C11—H11C	0.9800
Si3—C7	1.870 (3)	C12—H12A	0.9800
Si3—C9	1.883 (3)	C12—H12B	0.9800
Si3—C8	1.884 (3)	C12—H12C	0.9800
Si4—N2	1.725 (2)	C13—C14	1.509 (5)
Si4—C12	1.870 (4)	C13—H13A	0.9900
Si4—C10	1.875 (4)	C13—H13B	0.9900
Si4—C11	1.879 (3)	C14—C15	1.526 (6)
O1—C13	1.428 (4)	C14—H14A	0.9900
O1—C16	1.436 (4)	C14—H14B	0.9900
O2—C17	1.425 (4)	C15—C16	1.486 (5)
O2—C20	1.430 (4)	C15—H15A	0.9900
C1—H1A	0.9800	C15—H15B	0.9900
C1—H1B	0.9800	C16—H16A	0.9900
C1—H1C	0.9800	C16—H16B	0.9900
C2—H2A	0.9800	C17—C18	1.522 (6)
C2—H2B	0.9800	C17—H17A	0.9900
C2—H2C	0.9800	C17—H17B	0.9900
C3—H3A	0.9800	C18—C19	1.526 (5)
C3—H3B	0.9800	C18—H18A	0.9900
C3—H3C	0.9800	C18—H18B	0.9900
C4—H4A	0.9800	C19—C20	1.519 (5)
C4—H4B	0.9800	C19—H19A	0.9900
C4—H4C	0.9800	C19—H19B	0.9900
C5—H5A	0.9800	C20—H20A	0.9900
C5—H5B	0.9800	C20—H20B	0.9900

N2—Al1—N1	118.28 (11)	Si3—C7—H7A	109.5
N2—Al1—H1	110.6 (12)	Si3—C7—H7B	109.5
N1—Al1—H1	106.6 (12)	H7A—C7—H7B	109.5
N2—Al1—H2	110.3 (13)	Si3—C7—H7C	109.5
N1—Al1—H2	108.1 (13)	H7A—C7—H7C	109.5
H1—Al1—H2	101.6 (18)	H7B—C7—H7C	109.5
O1ⁱ—Na1—O1	96.84 (12)	Si3—C8—H8A	109.5
O1ⁱ—Na1—H1	89.9 (8)	Si3—C8—H8B	109.5
O1—Na1—H1	139.9 (8)	H8A—C8—H8B	109.5
O2—Na2—O2ⁱ	91.72 (13)	Si3—C8—H8C	109.5
O2—Na2—H2	100.9 (9)	H8A—C8—H8C	109.5
O2ⁱ—Na2—H2	119.6 (9)	H8B—C8—H8C	109.5
N1—Si1—C2	113.95 (14)	Si3—C9—H9A	109.5
N1—Si1—C3	110.44 (13)	Si3—C9—H9B	109.5
C2—Si1—C3	106.93 (15)	H9A—C9—H9B	109.5
N1—Si1—C1	115.13 (13)	Si3—C9—H9C	109.5
C2—Si1—C1	102.73 (16)	H9A—C9—H9C	109.5
C3—Si1—C1	107.01 (15)	H9B—C9—H9C	109.5
N1—Si2—C6	109.80 (13)	Si4—C10—H10A	109.5
N1—Si2—C5	112.13 (13)	Si4—C10—H10B	109.5
C6—Si2—C5	108.71 (15)	H10A—C10—H10B	109.5
N1—Si2—C4	115.34 (14)	Si4—C10—H10C	109.5
C6—Si2—C4	105.94 (15)	H10A—C10—H10C	109.5
C5—Si2—C4	104.53 (15)	H10B—C10—H10C	109.5
N2—Si3—C7	111.99 (12)	Si4—C11—H11A	109.5
N2—Si3—C9	112.70 (13)	Si4—C11—H11B	109.5
C7—Si3—C9	107.18 (14)	H11A—C11—H11B	109.5
N2—Si3—C8	113.25 (13)	Si4—C11—H11C	109.5
C7—Si3—C8	105.15 (14)	H11A—C11—H11C	109.5
C9—Si3—C8	106.02 (15)	H11B—C11—H11C	109.5
N2—Si4—C12	114.68 (14)	Si4—C12—H12A	109.5
N2—Si4—C10	112.34 (14)	Si4—C12—H12B	109.5
C12—Si4—C10	105.76 (19)	H12A—C12—H12B	109.5
N2—Si4—C11	111.61 (14)	Si4—C12—H12C	109.5
C12—Si4—C11	104.32 (18)	H12A—C12—H12C	109.5
C10—Si4—C11	107.54 (17)	H12B—C12—H12C	109.5
C13—O1—C16	106.2 (2)	O1—C13—C14	105.2 (3)
C13—O1—Na1	129.20 (19)	O1—C13—H13A	110.7
C16—O1—Na1	124.55 (19)	C14—C13—H13A	110.7
C17—O2—C20	105.6 (3)	O1—C13—H13B	110.7
C17—O2—Na2	123.2 (2)	C14—C13—H13B	110.7
C20—O2—Na2	129.9 (2)	H13A—C13—H13B	108.8
Si1—N1—Si2	124.23 (14)	C13—C14—C15	103.7 (3)
Si1—N1—Al1	114.88 (13)	C13—C14—H14A	111.0
Si2—N1—Al1	120.35 (13)	C15—C14—H14A	111.0
Si4—N2—Si3	118.29 (14)	C13—C14—H14B	111.0
Si4—N2—Al1	120.69 (13)	C15—C14—H14B	111.0
Si3—N2—Al1	120.60 (13)	H14A—C14—H14B	109.0
Si1—C1—H1A	109.5	C16—C15—C14	105.5 (3)
Si1—C1—H1B	109.5	C16—C15—H15A	110.6
H1A—C1—H1B	109.5	C14—C15—H15A	110.7
Si1—C1—H1C	109.5	C16—C15—H15B	110.6
H1A—C1—H1C	109.5	C14—C15—H15B	110.6
H1B—C1—H1C	109.5	H15A—C15—H15B	108.8
Si1—C2—H2A	109.5	O1—C16—C15	106.8 (3)
Si1—C2—H2B	109.5	O1—C16—H16A	110.4
H2A—C2—H2B	109.5	C15—C16—H16A	110.4
Si1—C2—H2C	109.5	O1—C16—H16B	110.4
H2A—C2—H2C	109.5	C15—C16—H16B	110.4
H2B—C2—H2C	109.5	H16A—C16—H16B	108.6
Si1—C3—H3A	109.5	O2—C17—C18	103.8 (3)
Si1—C3—H3B	109.5	O2—C17—H17A	111.0
H3A—C3—H3B	109.5	C18—C17—H17A	111.0
Si1—C3—H3C	109.5	O2—C17—H17B	111.0
H3A—C3—H3C	109.5	C18—C17—H17B	111.0
H3B—C3—H3C	109.5	H17A—C17—H17B	109.0
Si2—C4—H4A	109.5	C17—C18—C19	103.4 (3)
Si2—C4—H4B	109.5	C17—C18—H18A	111.1
H4A—C4—H4B	109.5	C19—C18—H18A	111.1
Si2—C4—H4C	109.5	C17—C18—H18B	111.1
H4A—C4—H4C	109.5	C19—C18—H18B	111.1
H4B—C4—H4C	109.5	H18A—C18—H18B	109.0
Si2—C5—H5A	109.5	C20—C19—C18	103.8 (3)
Si2—C5—H5B	109.5	C20—C19—H19A	111.0
H5A—C5—H5B	109.5	C18—C19—H19A	111.0
Si2—C5—H5C	109.5	C20—C19—H19B	111.0
H5A—C5—H5C	109.5	C18—C19—H19B	111.0
H5B—C5—H5C	109.5	H19A—C19—H19B	109.0
Si2—C6—H6A	109.5	O2—C20—C19	107.2 (3)
Si2—C6—H6B	109.5	O2—C20—H20A	110.3
H6A—C6—H6B	109.5	C19—C20—H20A	110.3
Si2—C6—H6C	109.5	O2—C20—H20B	110.3
H6A—C6—H6C	109.5	C19—C20—H20B	110.3
H6B—C6—H6C	109.5	H20A—C20—H20B	108.5

C2—Si1—N1—Si2	−8.5 (2)	C9—Si3—N2—Si4	74.85 (19)
C3—Si1—N1—Si2	111.87 (18)	C8—Si3—N2—Si4	−45.49 (19)
C1—Si1—N1—Si2	−126.83 (17)	C7—Si3—N2—Al1	8.37 (19)
C2—Si1—N1—Al1	−179.99 (15)	C9—Si3—N2—Al1	−112.58 (17)
C3—Si1—N1—Al1	−59.62 (17)	C8—Si3—N2—Al1	127.07 (16)
C1—Si1—N1—Al1	61.68 (18)	N1—Al1—N2—Si4	−141.53 (14)
C6—Si2—N1—Si1	−159.84 (16)	N1—Al1—N2—Si3	46.08 (18)
C5—Si2—N1—Si1	79.2 (2)	C16—O1—C13—C14	−36.7 (3)
C4—Si2—N1—Si1	−40.3 (2)	Na1—O1—C13—C14	139.8 (2)
C6—Si2—N1—Al1	11.22 (19)	O1—C13—C14—C15	27.3 (4)
C5—Si2—N1—Al1	−109.74 (17)	C13—C14—C15—C16	−8.4 (5)
C4—Si2—N1—Al1	130.78 (16)	C13—O1—C16—C15	31.3 (4)
N2—Al1—N1—Si1	−136.46 (13)	Na1—O1—C16—C15	−145.4 (3)
N2—Al1—N1—Si2	51.68 (18)	C14—C15—C16—O1	−13.2 (5)
C12—Si4—N2—Si3	−157.14 (19)	C20—O2—C17—C18	41.2 (4)
C10—Si4—N2—Si3	82.1 (2)	Na2—O2—C17—C18	−126.9 (3)
C11—Si4—N2—Si3	−38.8 (2)	O2—C17—C18—C19	−34.2 (4)
C12—Si4—N2—Al1	30.3 (2)	C17—C18—C19—C20	14.7 (4)
C10—Si4—N2—Al1	−90.49 (19)	C17—O2—C20—C19	−31.9 (4)
C11—Si4—N2—Al1	148.64 (17)	Na2—O2—C20—C19	135.1 (3)
C7—Si3—N2—Si4	−164.19 (14)	C18—C19—C20—O2	9.4 (4)

Symmetry code: (i) −x+1, y, −z+1/2.

Bis[bis(trimethylsilyl)amido]-3κN,4κN-dihydrido-3κH,4κH-tetra-µ-hydrido-bis(N,N,N',N'',N''-pentamethyldiethylenetriamine)-1κ³N,N',N'';2κ³N,N',N''-dialuminiumdisodium (3) top

Crystal data top

[Al₂Na₂(C₆H₁₈NSi₂)₂H₆(C₉H₂₃N₃)₂]	Z = 1
M_r = 773.38	F(000) = 428
Triclinic, P1	D_x = 1.000 Mg m⁻³
a = 9.2634 (5) Å	Cu Kα radiation, λ = 1.54184 Å
b = 11.7188 (7) Å	Cell parameters from 6113 reflections
c = 12.6742 (7) Å	θ = 3.6–72.8°
α = 84.811 (5)°	µ = 1.77 mm⁻¹
β = 76.840 (5)°	T = 123 K
γ = 73.485 (5)°	Fragment, colourless
V = 1283.97 (13) Å³	0.44 × 0.20 × 0.10 mm

Data collection top

Oxford Diffraction Gemini S diffractometer	4511 reflections with I > 2σ(I)
Radiation source: sealed tube	R_int = 0.028
ω scans	θ_max = 73.1°, θ_min = 5.5°
Absorption correction: multi-scan (CrysalisPro; Rigaku OD, 2021)	h = −11→11
T_min = 0.256, T_max = 1.000	k = −11→14
14891 measured reflections	l = −12→15
5082 independent reflections

Refinement top

Refinement on F²	0 restraints
Least-squares matrix: full	Hydrogen site location: mixed
R[F² > 2σ(F²)] = 0.040	H atoms treated by a mixture of independent and constrained refinement
wR(F²) = 0.112	w = 1/[σ²(F_o²) + (0.0708P)² + 0.2717P] where P = (F_o² + 2F_c²)/3
S = 1.02	(Δ/σ)_max = 0.001
5082 reflections	Δρ_max = 0.46 e Å⁻³
231 parameters	Δρ_min = −0.21 e Å⁻³

Special details top

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq
Al1	0.15640 (5)	0.36454 (4)	0.86299 (3)	0.02993 (13)
Na1	0.09543 (6)	0.64121 (5)	0.89017 (4)	0.02873 (14)
Si1	0.42221 (5)	0.17657 (4)	0.74287 (3)	0.03074 (12)
Si2	0.14772 (5)	0.27561 (3)	0.63862 (3)	0.02898 (12)
N1	0.24175 (14)	0.27040 (11)	0.74157 (9)	0.0276 (3)
N2	0.26670 (16)	0.73937 (13)	0.94714 (12)	0.0381 (3)
N3	0.27235 (15)	0.68367 (12)	0.71937 (11)	0.0343 (3)
N4	−0.06952 (15)	0.78444 (12)	0.78285 (10)	0.0328 (3)
C1	0.5770 (2)	0.25579 (18)	0.70459 (16)	0.0483 (4)
H1A	0.579864	0.288836	0.630531	0.072*
H1B	0.676842	0.199529	0.708484	0.072*
H1C	0.555328	0.320433	0.754724	0.072*
C2	0.4294 (2)	0.10732 (15)	0.88131 (12)	0.0378 (3)
H2A	0.411673	0.169625	0.933088	0.057*
H2B	0.530737	0.050992	0.880031	0.057*
H2C	0.349417	0.065084	0.903260	0.057*
C3	0.4802 (2)	0.04831 (17)	0.64892 (15)	0.0527 (5)
H3A	0.410822	−0.002798	0.672664	0.079*
H3B	0.586164	0.002034	0.650097	0.079*
H3C	0.473813	0.078871	0.575073	0.079*
C4	0.0921 (3)	0.13492 (17)	0.63057 (16)	0.0502 (5)
H4A	0.184058	0.071871	0.600817	0.075*
H4B	0.017955	0.149016	0.583416	0.075*
H4C	0.045187	0.110525	0.703285	0.075*
C5	−0.0369 (2)	0.39697 (18)	0.65368 (16)	0.0487 (4)
H5A	−0.104651	0.386287	0.723284	0.073*
H5B	−0.087694	0.393827	0.594517	0.073*
H5C	−0.015061	0.474356	0.651117	0.073*
C6	0.2679 (2)	0.30358 (17)	0.50353 (12)	0.0426 (4)
H6A	0.296001	0.377881	0.504980	0.064*
H6B	0.208877	0.310035	0.447118	0.064*
H6C	0.361578	0.237430	0.487899	0.064*
C7	0.3711 (3)	0.63945 (18)	0.99332 (18)	0.0560 (5)
H7A	0.313825	0.609207	1.059452	0.084*
H7B	0.453733	0.666266	1.010827	0.084*
H7C	0.415752	0.575918	0.940628	0.084*
C8	0.1932 (2)	0.83010 (18)	1.02912 (16)	0.0502 (5)
H8A	0.120914	0.896553	0.999502	0.075*
H8B	0.272045	0.859085	1.049613	0.075*
H8C	0.137252	0.795444	1.093150	0.075*
C9	0.3473 (2)	0.79147 (16)	0.85071 (16)	0.0439 (4)
H9A	0.438541	0.808004	0.867603	0.053*
H9B	0.278316	0.868415	0.832065	0.053*
C10	0.39983 (19)	0.71209 (17)	0.75246 (16)	0.0450 (4)
H10A	0.454667	0.752530	0.690948	0.054*
H10B	0.473652	0.636979	0.769557	0.054*
C11	0.3315 (2)	0.57993 (16)	0.64911 (14)	0.0450 (4)
H11A	0.381879	0.510420	0.689467	0.067*
H11B	0.406052	0.596702	0.585539	0.067*
H11C	0.245788	0.563578	0.625543	0.067*
C12	0.1830 (2)	0.78566 (15)	0.66357 (13)	0.0402 (4)
H12A	0.235289	0.787619	0.586317	0.048*
H12B	0.180042	0.860256	0.695995	0.048*
C13	0.0192 (2)	0.77997 (16)	0.67094 (13)	0.0412 (4)
H13A	−0.033492	0.847476	0.628251	0.049*
H13B	0.022212	0.705336	0.638558	0.049*
C14	−0.1103 (2)	0.90356 (15)	0.82598 (14)	0.0418 (4)
H14A	−0.171600	0.904038	0.900064	0.063*
H14B	−0.170571	0.960760	0.780285	0.063*
H14C	−0.016190	0.925779	0.826504	0.063*
C15	−0.20954 (19)	0.74745 (17)	0.78988 (15)	0.0432 (4)
H15A	−0.181785	0.665877	0.764622	0.065*
H15B	−0.273938	0.801054	0.744417	0.065*
H15C	−0.266747	0.750616	0.865291	0.065*
H1	0.027 (3)	0.484 (2)	0.8479 (18)	0.057 (6)*
H2	0.281 (3)	0.411 (2)	0.899 (2)	0.067 (7)*
H3	0.080 (3)	0.296 (2)	0.9634 (18)	0.056 (6)*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Al1	0.0318 (2)	0.0301 (2)	0.0260 (2)	−0.00858 (17)	0.00097 (17)	−0.00846 (16)
Na1	0.0294 (3)	0.0304 (3)	0.0252 (3)	−0.0080 (2)	−0.0028 (2)	−0.0030 (2)
Si1	0.0321 (2)	0.0321 (2)	0.0228 (2)	−0.00108 (16)	−0.00370 (15)	−0.00400 (15)
Si2	0.0335 (2)	0.0311 (2)	0.0230 (2)	−0.00925 (16)	−0.00644 (15)	−0.00147 (15)
N1	0.0313 (6)	0.0284 (6)	0.0211 (5)	−0.0040 (5)	−0.0052 (4)	−0.0049 (4)
N2	0.0344 (7)	0.0400 (7)	0.0415 (7)	−0.0082 (6)	−0.0098 (6)	−0.0105 (6)
N3	0.0327 (7)	0.0318 (6)	0.0328 (6)	−0.0066 (5)	0.0036 (5)	−0.0059 (5)
N4	0.0312 (6)	0.0363 (7)	0.0276 (6)	−0.0036 (5)	−0.0056 (5)	−0.0046 (5)
C1	0.0310 (8)	0.0525 (10)	0.0522 (10)	−0.0063 (7)	0.0006 (7)	0.0053 (8)
C2	0.0414 (9)	0.0400 (8)	0.0291 (7)	−0.0039 (7)	−0.0116 (6)	0.0013 (6)
C3	0.0617 (12)	0.0434 (10)	0.0405 (9)	0.0130 (8)	−0.0141 (8)	−0.0172 (8)
C4	0.0692 (13)	0.0476 (10)	0.0451 (10)	−0.0302 (9)	−0.0165 (9)	−0.0012 (8)
C5	0.0395 (9)	0.0555 (11)	0.0491 (10)	−0.0008 (8)	−0.0188 (8)	−0.0063 (8)
C6	0.0528 (10)	0.0518 (10)	0.0231 (7)	−0.0163 (8)	−0.0065 (7)	0.0021 (7)
C7	0.0612 (12)	0.0476 (10)	0.0642 (13)	−0.0052 (9)	−0.0323 (10)	−0.0097 (9)
C8	0.0482 (10)	0.0535 (11)	0.0515 (10)	−0.0103 (8)	−0.0133 (8)	−0.0203 (9)
C9	0.0315 (8)	0.0439 (9)	0.0580 (11)	−0.0140 (7)	−0.0046 (7)	−0.0108 (8)
C10	0.0292 (8)	0.0486 (10)	0.0523 (10)	−0.0114 (7)	0.0057 (7)	−0.0101 (8)
C11	0.0474 (10)	0.0380 (9)	0.0401 (9)	−0.0077 (7)	0.0085 (7)	−0.0112 (7)
C12	0.0468 (9)	0.0357 (8)	0.0299 (7)	−0.0092 (7)	0.0051 (7)	0.0008 (6)
C13	0.0470 (9)	0.0447 (9)	0.0261 (7)	−0.0032 (7)	−0.0071 (7)	−0.0027 (6)
C14	0.0399 (9)	0.0393 (9)	0.0397 (9)	−0.0020 (7)	−0.0042 (7)	−0.0066 (7)
C15	0.0334 (8)	0.0513 (10)	0.0445 (9)	−0.0061 (7)	−0.0117 (7)	−0.0082 (8)

Geometric parameters (Å, º) top

Al1—N1	1.8621 (12)	C3—H3C	0.9800
Al1—Na1ⁱ	3.4586 (7)	C4—H4A	0.9800
Al1—H1	1.59 (2)	C4—H4B	0.9800
Al1—H2	1.57 (3)	C4—H4C	0.9800
Al1—H3	1.58 (2)	C5—H5A	0.9800
Na1—N2	2.4639 (15)	C5—H5B	0.9800
Na1—N4	2.4651 (14)	C5—H5C	0.9800
Na1—N3	2.5046 (14)	C6—H6A	0.9800
Na1—H1	2.25 (2)	C6—H6B	0.9800
H3—Na1ⁱ	2.20 (2)	C6—H6C	0.9800
Si1—N1	1.7229 (13)	C7—H7A	0.9800
Si1—C2	1.8726 (16)	C7—H7B	0.9800
Si1—C1	1.8742 (19)	C7—H7C	0.9800
Si1—C3	1.8812 (17)	C8—H8A	0.9800
Si2—N1	1.7140 (12)	C8—H8B	0.9800
Si2—C5	1.8713 (18)	C8—H8C	0.9800
Si2—C6	1.8751 (17)	C9—C10	1.526 (2)
Si2—C4	1.8793 (18)	C9—H9A	0.9900
N2—C9	1.460 (2)	C9—H9B	0.9900
N2—C7	1.463 (2)	C10—H10A	0.9900
N2—C8	1.463 (2)	C10—H10B	0.9900
N3—C10	1.468 (2)	C11—H11A	0.9800
N3—C12	1.471 (2)	C11—H11B	0.9800
N3—C11	1.472 (2)	C11—H11C	0.9800
N4—C14	1.461 (2)	C12—C13	1.519 (3)
N4—C15	1.462 (2)	C12—H12A	0.9900
N4—C13	1.4656 (19)	C12—H12B	0.9900
C1—H1A	0.9800	C13—H13A	0.9900
C1—H1B	0.9800	C13—H13B	0.9900
C1—H1C	0.9800	C14—H14A	0.9800
C2—H2A	0.9800	C14—H14B	0.9800
C2—H2B	0.9800	C14—H14C	0.9800
C2—H2C	0.9800	C15—H15A	0.9800
C3—H3A	0.9800	C15—H15B	0.9800
C3—H3B	0.9800	C15—H15C	0.9800

N1—Al1—Na1ⁱ	138.06 (4)	Si2—C4—H4B	109.5
N1—Al1—H1	115.9 (8)	H4A—C4—H4B	109.5
Na1ⁱ—Al1—H1	81.2 (8)	Si2—C4—H4C	109.5
N1—Al1—H2	111.6 (9)	H4A—C4—H4C	109.5
Na1ⁱ—Al1—H2	100.0 (9)	H4B—C4—H4C	109.5
H1—Al1—H2	102.9 (12)	Si2—C5—H5A	109.5
N1—Al1—H3	112.5 (8)	Si2—C5—H5B	109.5
Na1ⁱ—Al1—H3	28.2 (8)	H5A—C5—H5B	109.5
H1—Al1—H3	105.5 (11)	Si2—C5—H5C	109.5
H2—Al1—H3	107.7 (12)	H5A—C5—H5C	109.5
N2—Na1—N4	109.15 (5)	H5B—C5—H5C	109.5
N2—Na1—N3	74.35 (5)	Si2—C6—H6A	109.5
N4—Na1—N3	74.05 (5)	Si2—C6—H6B	109.5
N2—Na1—Al1ⁱ	98.40 (4)	H6A—C6—H6B	109.5
N4—Na1—Al1ⁱ	101.98 (4)	Si2—C6—H6C	109.5
N3—Na1—Al1ⁱ	169.57 (4)	H6A—C6—H6C	109.5
N2—Na1—H1	154.8 (6)	H6B—C6—H6C	109.5
N4—Na1—H1	93.8 (6)	N2—C7—H7A	109.5
N3—Na1—H1	103.3 (6)	N2—C7—H7B	109.5
Al1ⁱ—Na1—H1	86.5 (6)	H7A—C7—H7B	109.5
N1—Si1—C2	110.28 (7)	N2—C7—H7C	109.5
N1—Si1—C1	112.43 (7)	H7A—C7—H7C	109.5
C2—Si1—C1	107.83 (9)	H7B—C7—H7C	109.5
N1—Si1—C3	113.92 (8)	N2—C8—H8A	109.5
C2—Si1—C3	105.48 (8)	N2—C8—H8B	109.5
C1—Si1—C3	106.49 (10)	H8A—C8—H8B	109.5
N1—Si2—C5	112.92 (7)	N2—C8—H8C	109.5
N1—Si2—C6	111.60 (7)	H8A—C8—H8C	109.5
C5—Si2—C6	106.10 (9)	H8B—C8—H8C	109.5
N1—Si2—C4	112.80 (8)	N2—C9—C10	113.56 (14)
C5—Si2—C4	105.06 (10)	N2—C9—H9A	108.9
C6—Si2—C4	107.88 (9)	C10—C9—H9A	108.9
Si2—N1—Si1	123.12 (7)	N2—C9—H9B	108.9
Si2—N1—Al1	122.84 (7)	C10—C9—H9B	108.9
Si1—N1—Al1	114.04 (6)	H9A—C9—H9B	107.7
C9—N2—C7	111.89 (15)	N3—C10—C9	113.27 (13)
C9—N2—C8	109.57 (15)	N3—C10—H10A	108.9
C7—N2—C8	108.88 (15)	C9—C10—H10A	108.9
C9—N2—Na1	108.11 (10)	N3—C10—H10B	108.9
C7—N2—Na1	102.07 (11)	C9—C10—H10B	108.9
C8—N2—Na1	116.18 (11)	H10A—C10—H10B	107.7
C10—N3—C12	111.69 (14)	N3—C11—H11A	109.5
C10—N3—C11	110.25 (13)	N3—C11—H11B	109.5
C12—N3—C11	110.07 (14)	H11A—C11—H11B	109.5
C10—N3—Na1	106.49 (10)	N3—C11—H11C	109.5
C12—N3—Na1	107.15 (9)	H11A—C11—H11C	109.5
C11—N3—Na1	111.10 (10)	H11B—C11—H11C	109.5
C14—N4—C15	109.51 (13)	N3—C12—C13	112.39 (14)
C14—N4—C13	111.49 (14)	N3—C12—H12A	109.1
C15—N4—C13	110.79 (13)	C13—C12—H12A	109.1
C14—N4—Na1	109.95 (10)	N3—C12—H12B	109.1
C15—N4—Na1	108.44 (10)	C13—C12—H12B	109.1
C13—N4—Na1	106.57 (9)	H12A—C12—H12B	107.9
Si1—C1—H1A	109.5	N4—C13—C12	112.54 (13)
Si1—C1—H1B	109.5	N4—C13—H13A	109.1
H1A—C1—H1B	109.5	C12—C13—H13A	109.1
Si1—C1—H1C	109.5	N4—C13—H13B	109.1
H1A—C1—H1C	109.5	C12—C13—H13B	109.1
H1B—C1—H1C	109.5	H13A—C13—H13B	107.8
Si1—C2—H2A	109.5	N4—C14—H14A	109.5
Si1—C2—H2B	109.5	N4—C14—H14B	109.5
H2A—C2—H2B	109.5	H14A—C14—H14B	109.5
Si1—C2—H2C	109.5	N4—C14—H14C	109.5
H2A—C2—H2C	109.5	H14A—C14—H14C	109.5
H2B—C2—H2C	109.5	H14B—C14—H14C	109.5
Si1—C3—H3A	109.5	N4—C15—H15A	109.5
Si1—C3—H3B	109.5	N4—C15—H15B	109.5
H3A—C3—H3B	109.5	H15A—C15—H15B	109.5
Si1—C3—H3C	109.5	N4—C15—H15C	109.5
H3A—C3—H3C	109.5	H15A—C15—H15C	109.5
H3B—C3—H3C	109.5	H15B—C15—H15C	109.5
Si2—C4—H4A	109.5

C5—Si2—N1—Si1	−174.14 (9)	C7—N2—C9—C10	70.97 (19)
C6—Si2—N1—Si1	−54.71 (11)	C8—N2—C9—C10	−168.16 (15)
C4—Si2—N1—Si1	66.93 (12)	Na1—N2—C9—C10	−40.65 (17)
C5—Si2—N1—Al1	6.69 (12)	C12—N3—C10—C9	75.00 (19)
C6—Si2—N1—Al1	126.12 (9)	C11—N3—C10—C9	−162.28 (15)
C4—Si2—N1—Al1	−112.24 (10)	Na1—N3—C10—C9	−41.67 (17)
C2—Si1—N1—Si2	−137.16 (9)	N2—C9—C10—N3	59.5 (2)
C1—Si1—N1—Si2	102.47 (10)	C10—N3—C12—C13	−155.70 (13)
C3—Si1—N1—Si2	−18.79 (12)	C11—N3—C12—C13	81.48 (16)
C2—Si1—N1—Al1	42.07 (10)	Na1—N3—C12—C13	−39.45 (15)
C1—Si1—N1—Al1	−78.30 (10)	C14—N4—C13—C12	72.82 (17)
C3—Si1—N1—Al1	160.44 (9)	C15—N4—C13—C12	−164.94 (14)
Na1ⁱ—Al1—N1—Si2	82.91 (9)	Na1—N4—C13—C12	−47.17 (16)
Na1ⁱ—Al1—N1—Si1	−96.33 (8)	N3—C12—C13—N4	62.45 (18)

Symmetry code: (i) −x, −y+1, −z+2.

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