6-Benzyl-2-methyl-1,3-bis­(penta­fluoro­phen­yl)-1,3,6,2-triaza­alumocane

Kireenko, M.M.; Zaitsev, K.V.; Churakov, A.V.; Zaitseva, G.S.; Karlov, S.S.

doi:10.1107/S1600536812042560

metal-organic compounds

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ISSN: 2056-9890

Volume 68| Part 11| November 2012| Pages m1385-m1386

doi:10.1107/S1600536812042560

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6-Benzyl-2-methyl-1,3-bis(pentafluorophenyl)-1,3,6,2-triazaalumocane

Marina M. Kireenko,^a Kirill V. Zaitsev,^a Andrei V. Churakov,^b ^* Galina S. Zaitseva ^a and Sergey S. Karlov ^a

^aDepartment of Chemistry, M.V. Lomonosov Moscow State University, Leninskie Gory 1/3, Moscow 119991, Russian Federation, and ^bInstitute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp. 31, Moscow 119991, Russian Federation
^*Correspondence e-mail: churakov@igic.ras.ru

(Received 7 October 2012; accepted 11 October 2012; online 20 October 2012)

In the title compound, [Al(CH₃)(C₂₃H₁₅F₁₀N₃)], the Al^III atom is coordinated in a distorted tetrahedral geometry by three N atoms from the tridentate amine and by one C atom of the methyl substituent. Further, there is a short intramolecular Al⋯F contact [2.5717 (11) Å], leading to an overall distorted trigonal–bipyramidal coordination environment around Al^III.

Related literature

For general background to the chemistry affording the tridentate ligand N-benzyl-N′-(pentafluorophenyl)-N-{2-[(pentafluorophenyl)amino]ethyl}ethane-1,2-diamine, see: Lermontova et al. (2009 ). Complexes of germanium and tin based on that and the related ligands and their X-ray structures have been described by Huang et al. (2011 , 2012 ). For related structures having short Al⋯F—C contacts, see: Smith et al. (2010 ); Jansen & Mokros (1992 ). For a description of the Cambridge Structural Database, see: Allen (2002 ).

Experimental

Crystal data

[Al(CH₃)(C₂₃H₁₅F₁₀N₃)]
M_r = 565.39
Monoclinic, P 2₁ /c
a = 7.9530 (14) Å
b = 33.577 (6) Å
c = 8.7247 (15) Å
β = 100.809 (2)°
V = 2288.5 (7) Å³
Z = 4
Mo Kα radiation
μ = 0.19 mm⁻¹
T = 173 K
0.20 × 0.20 × 0.05 mm

Data collection

Bruker SMART APEXII diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 2008 ) T_min = 0.963, T_max = 0.991
19211 measured reflections
4972 independent reflections
4317 reflections with I > 2σ(I)
R_int = 0.021

Refinement

R[F² > 2σ(F²)] = 0.036
wR(F²) = 0.094
S = 1.02
4972 reflections
415 parameters
All H-atom parameters refined
Δρ_max = 0.36 e Å⁻³
Δρ_min = −0.26 e Å⁻³

Data collection: APEX2 (Bruker, 2008); cell refinement: SAINT (Bruker, 2008); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008 ); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.

Supporting information

Crystal structure: contains datablock global. DOI: 10.1107/S1600536812042560/is5205sup1.cif

checkCIF report

Comment top

As a part of our investigation on chemistry of germanium, tin and aluminium complexes based on tridentate ligands (Lermontova et al., 2009; Huang et al., 2011, 2012) we obtained and studied the structure of title compound, [Al[C₆H₅CH₂N(CH₂CH₂NHC₆F₅)₂](CH₃)].

The aluminium centre and aromatic F18 atom form a short intramolecular contact [2.5717 (11) Å]. Of interest, F18—C18 bond length [1.359 (2) Å] is the longest among ten F—C distances in the structure. Analysis of Cambridge Structural Database (ver. 5.33, August 2012; Allen, 2002) shows that similar but somewhat longer Al···F—C contacts are observed in the structures EKIBIK (2.690 Å, Smith et al., 2010) and YADTEC (2.719 Å, Jansen & Mokros, 1992).

The Al1 atom has trigonal bipyramid coordination environment. Three equatorial positions are occupied by methyl group C10 and trigonal nitrogen atoms N1 and N2. The angles between C10, N1 and N2 atoms range within 112.86 (7)–124.64 (7)°. The aluminium atom is only slightly displaced [0.1937 (9) Å] from the plane of these ligands towards the coordinated tetrahedral donor atom N3. The N3 and F18 atoms lie in the apical positions with an N3—Al1—F18 angle equal to 152.24 (5)°. As expected, the dative N3→Al1 bond length [2.0104 (13) Å] is significantly longer than equatorial nitrogen-aluminium distances [1.8575 (14) and 1.8697 (14) Å].

Related literature top

For general background to the chemistry affording the tridentate ligand N-benzyl-N'-(pentafluorophenyl)-N-{2-[(pentafluorophenyl)amino]ethyl}ethane-1,2-diamine, see: Lermontova et al. (2009). Complexes of germanium and tin based on that and the related ligands and their X-ray structures have been described by Huang et al. (2011, 2012). For related structures having short Al···F—C contacts, see: Smith et al. (2010); Jansen & Mokros (1992). For a description of the Cambridge Structural Database, see: Allen (2002).

Experimental top

A solution of 0.26 g (0.50 mmol) of BnN(CH₂CH₂NHC₆F₅)₂ (Lermontova et al., 2009) in toluene (10 ml) was added dropwise to a solution of 0.25 ml (0.50 mmol) of Me₃Al in toluene (10 ml) under stirring at 243 K. The reaction mixture was allowed to warm to room temperature and stirred overnight. The volatiles were removed under vacuum. The residue was washed by ether (3×5 ml) and dried to give 0.24 g (86%) of BnN(CH₂CH₂NHC₆F₅)₂AlMe as a white solid.

¹H NMR (CDCl₃): δ -0.56 (br s, 3H, AlMe); 2.88–2.97, 3.00–3.09, 3.57–3.66, 3.67–3.76 (4 m, 8H, NCH₂); 4.03 (s, 2H, NCH₂Ph); 7.29–7.34, 7.42–7.47 (2 m, 5H, Ph). ¹³C NMR (CDCl₃): δ 44.29, 49.94 (4NCH₂); 56.01 (NCH₂Ph); 128.77, 129.00, 131.39, 131.55 (Ph). ¹H NMR (C₆D₆): δ -0.31 (p, J_F—H = 2.4 Hz, 3H, AlMe); 1.95–2.04, 2.10–2.17, 3.08–3.20 (3 m, 8H, NCH₂); 3.34 (s, 2H, NCH₂Ph); 6.53–6.57, 7.00–7.06, 7.07–7.10 (3 m, 5H, Ph). ¹³C NMR (C₆D₆): δ 49.48, 53.34 (4NCH₂); 55.61 (NCH₂Ph); 128.54, 129.24, 129.31, 131.72 (Ph). EI m/z 564 (M, 5%); 432 (M—Bn, 3%); 91 (Bn, 100%); 42 (AlMe, 78%). Anal. Calcd. for C₂₄H₁₈AlN₃F₁₀: C 50.98, H 3.21, N 7.43. Found: C 50.68, H 3.36, N 7.39.

The crystals were obtained from the concentrated toluene solution under storing at 255 K for several days.

Computing details top

Data collection: APEX2 (Bruker, 2008); cell refinement: SAINT (Bruker, 2008); data reduction: SAINT (Bruker, 2008); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).

Figures top

Fig. 1. The molecular structure of the title compound, showing the numbering scheme adopted. Displacement ellipsoids are shown at the 50% probability level. The short intramolecular contact Al···F—C is drawn by dashed line. Hydrogen atoms are omitted for clarity.

[N-Benzyl-N,N-bis(pentafluorophenylanide)ethyl]amine -methylaluminium(III) top

Crystal data top

[Al(CH₃)(C₂₃H₁₅F₁₀N₃)]	F(000) = 1144
M_r = 565.39	D_x = 1.641 Mg m⁻³
Monoclinic, P2₁/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 8521 reflections
a = 7.9530 (14) Å	θ = 2.5–28.1°
b = 33.577 (6) Å	µ = 0.19 mm⁻¹
c = 8.7247 (15) Å	T = 173 K
β = 100.809 (2)°	Plate, colourless
V = 2288.5 (7) Å³	0.20 × 0.20 × 0.05 mm
Z = 4

Data collection top

Bruker SMART APEXII diffractometer	4972 independent reflections
Radiation source: fine-focus sealed tube	4317 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.021
ω scans	θ_max = 27.0°, θ_min = 2.4°
Absorption correction: multi-scan (SADABS; Bruker, 2008)	h = −10→10
T_min = 0.963, T_max = 0.991	k = −42→42
19211 measured reflections	l = −11→11

Refinement top

Refinement on F²	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F² > 2σ(F²)] = 0.036	Hydrogen site location: difference Fourier map
wR(F²) = 0.094	All H-atom parameters refined
S = 1.02	w = 1/[σ²(F_o²) + (0.0439P)² + 1.3304P] where P = (F_o² + 2F_c²)/3
4972 reflections	(Δ/σ)_max < 0.001
415 parameters	Δρ_max = 0.36 e Å⁻³
0 restraints	Δρ_min = −0.26 e Å⁻³

Crystal data top

[Al(CH₃)(C₂₃H₁₅F₁₀N₃)]	V = 2288.5 (7) Å³
M_r = 565.39	Z = 4
Monoclinic, P2₁/c	Mo Kα radiation
a = 7.9530 (14) Å	µ = 0.19 mm⁻¹
b = 33.577 (6) Å	T = 173 K
c = 8.7247 (15) Å	0.20 × 0.20 × 0.05 mm
β = 100.809 (2)°

Data collection top

Bruker SMART APEXII diffractometer	4972 independent reflections
Absorption correction: multi-scan (SADABS; Bruker, 2008)	4317 reflections with I > 2σ(I)
T_min = 0.963, T_max = 0.991	R_int = 0.021
19211 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.036	0 restraints
wR(F²) = 0.094	All H-atom parameters refined
S = 1.02	Δρ_max = 0.36 e Å⁻³
4972 reflections	Δρ_min = −0.26 e Å⁻³
415 parameters

Special details top

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

Refinement. Refinement of F² against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F², conventional R-factors R are based on F, with F set to zero for negative F². The threshold expression of F² > σ(F²) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F² are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

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

	x	y	z	U_iso*/U_eq
Al1	0.55982 (6)	0.117782 (13)	0.49859 (5)	0.02089 (11)
N1	0.60780 (16)	0.16461 (4)	0.39907 (14)	0.0223 (3)
N2	0.68539 (17)	0.07207 (4)	0.47836 (15)	0.0254 (3)
N3	0.74288 (16)	0.13396 (4)	0.67940 (14)	0.0214 (3)
C1	0.6675 (2)	0.15076 (5)	0.81197 (18)	0.0247 (3)
C2	0.7938 (2)	0.16032 (5)	0.95983 (18)	0.0267 (3)
C3	0.8602 (2)	0.19843 (5)	0.9886 (2)	0.0308 (4)
C4	0.9723 (2)	0.20708 (6)	1.1272 (2)	0.0375 (4)
C5	1.0209 (2)	0.17743 (7)	1.2368 (2)	0.0408 (5)
C6	0.9549 (3)	0.13976 (7)	1.2102 (2)	0.0407 (5)
C7	0.8404 (2)	0.13109 (6)	1.0735 (2)	0.0340 (4)
C10	0.3337 (2)	0.11830 (6)	0.5555 (2)	0.0304 (4)
C11	0.84769 (19)	0.16404 (5)	0.61234 (18)	0.0236 (3)
C12	0.7313 (2)	0.19083 (5)	0.49746 (18)	0.0232 (3)
C13	0.51390 (18)	0.17824 (5)	0.26115 (17)	0.0212 (3)
C14	0.4895 (2)	0.21746 (5)	0.20674 (18)	0.0235 (3)
C15	0.3887 (2)	0.22716 (5)	0.06498 (19)	0.0261 (3)
C16	0.3087 (2)	0.19796 (5)	−0.03367 (18)	0.0279 (3)
C17	0.3261 (2)	0.15883 (5)	0.01513 (18)	0.0257 (3)
C18	0.4249 (2)	0.15007 (5)	0.15781 (18)	0.0235 (3)
C21	0.8424 (2)	0.09669 (5)	0.72549 (19)	0.0258 (3)
C22	0.8566 (2)	0.07283 (5)	0.58014 (19)	0.0270 (3)
C23	0.6498 (2)	0.04053 (5)	0.37471 (18)	0.0274 (3)
C24	0.7699 (2)	0.01889 (5)	0.3099 (2)	0.0338 (4)
C25	0.7253 (3)	−0.01322 (6)	0.2104 (2)	0.0405 (5)
C26	0.5577 (3)	−0.02420 (5)	0.1651 (2)	0.0408 (5)
C27	0.4342 (3)	−0.00290 (5)	0.2209 (2)	0.0371 (4)
C28	0.4803 (2)	0.02780 (5)	0.3244 (2)	0.0304 (4)
F14	0.56225 (13)	0.24841 (3)	0.29513 (11)	0.0310 (2)
F15	0.36334 (13)	0.26570 (3)	0.02492 (12)	0.0354 (2)
F16	0.21053 (13)	0.20771 (3)	−0.17192 (11)	0.0392 (3)
F17	0.24581 (13)	0.12973 (3)	−0.07535 (12)	0.0371 (2)
F18	0.43879 (13)	0.11143 (3)	0.20488 (11)	0.0309 (2)
F24	0.93701 (14)	0.02933 (4)	0.34006 (13)	0.0452 (3)
F25	0.84828 (18)	−0.03270 (4)	0.15369 (15)	0.0569 (4)
F26	0.51315 (19)	−0.05520 (3)	0.06690 (14)	0.0553 (4)
F27	0.26773 (16)	−0.01208 (3)	0.17435 (14)	0.0492 (3)
F28	0.35477 (13)	0.04643 (3)	0.37978 (13)	0.0382 (3)
H112	0.917 (2)	0.1790 (5)	0.6947 (19)	0.018 (4)*
H122	0.803 (2)	0.2058 (5)	0.436 (2)	0.020 (4)*
H121	0.675 (2)	0.2111 (5)	0.554 (2)	0.020 (4)*
H222	0.894 (2)	0.0457 (6)	0.615 (2)	0.027 (5)*
H3	0.833 (2)	0.2184 (5)	0.912 (2)	0.025 (4)*
H12	0.605 (2)	0.1750 (6)	0.774 (2)	0.030 (5)*
H111	0.921 (2)	0.1507 (5)	0.558 (2)	0.024 (4)*
H212	0.778 (2)	0.0818 (5)	0.790 (2)	0.028 (5)*
H221	0.950 (2)	0.0841 (6)	0.530 (2)	0.028 (5)*
H11	0.585 (2)	0.1307 (6)	0.834 (2)	0.031 (5)*
H211	0.955 (2)	0.1031 (6)	0.787 (2)	0.029 (5)*
H7	0.792 (2)	0.1051 (6)	1.055 (2)	0.031 (5)*
H103	0.310 (3)	0.1447 (7)	0.596 (3)	0.050 (6)*
H4	1.012 (3)	0.2322 (7)	1.140 (2)	0.036 (5)*
H5	1.097 (3)	0.1834 (6)	1.326 (3)	0.045 (6)*
H102	0.322 (3)	0.0973 (7)	0.630 (3)	0.048 (6)*
H6	0.982 (3)	0.1182 (7)	1.285 (3)	0.060 (7)*
H101	0.255 (3)	0.1136 (8)	0.465 (3)	0.064 (7)*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Al1	0.0208 (2)	0.0198 (2)	0.0209 (2)	0.00011 (17)	0.00084 (17)	0.00025 (17)
N1	0.0248 (6)	0.0209 (6)	0.0193 (6)	−0.0020 (5)	−0.0004 (5)	0.0001 (5)
N2	0.0265 (7)	0.0217 (6)	0.0254 (7)	0.0034 (5)	−0.0016 (5)	−0.0024 (5)
N3	0.0222 (6)	0.0213 (6)	0.0201 (6)	0.0019 (5)	0.0022 (5)	−0.0006 (5)
C1	0.0233 (7)	0.0286 (8)	0.0216 (7)	0.0019 (6)	0.0028 (6)	−0.0012 (6)
C2	0.0231 (7)	0.0362 (9)	0.0208 (7)	0.0034 (6)	0.0042 (6)	−0.0041 (6)
C3	0.0287 (8)	0.0338 (9)	0.0293 (8)	0.0055 (7)	0.0038 (7)	−0.0060 (7)
C4	0.0307 (9)	0.0450 (11)	0.0368 (10)	−0.0016 (8)	0.0066 (7)	−0.0164 (8)
C5	0.0278 (9)	0.0717 (14)	0.0219 (8)	0.0035 (9)	0.0016 (7)	−0.0107 (9)
C6	0.0403 (10)	0.0600 (13)	0.0212 (8)	0.0057 (9)	0.0042 (7)	0.0045 (8)
C7	0.0361 (9)	0.0418 (10)	0.0242 (8)	0.0004 (8)	0.0059 (7)	0.0013 (7)
C10	0.0238 (8)	0.0363 (10)	0.0303 (9)	0.0002 (7)	0.0031 (7)	0.0010 (8)
C11	0.0217 (7)	0.0258 (8)	0.0223 (7)	−0.0029 (6)	0.0020 (6)	−0.0018 (6)
C12	0.0238 (7)	0.0222 (7)	0.0230 (7)	−0.0033 (6)	0.0024 (6)	−0.0022 (6)
C13	0.0200 (7)	0.0241 (7)	0.0201 (7)	0.0002 (6)	0.0051 (5)	0.0007 (6)
C14	0.0241 (7)	0.0227 (7)	0.0237 (7)	−0.0022 (6)	0.0049 (6)	−0.0006 (6)
C15	0.0261 (8)	0.0254 (8)	0.0273 (8)	0.0012 (6)	0.0065 (6)	0.0075 (6)
C16	0.0229 (7)	0.0391 (9)	0.0205 (7)	0.0007 (7)	0.0007 (6)	0.0063 (7)
C17	0.0232 (7)	0.0313 (8)	0.0223 (7)	−0.0039 (6)	0.0034 (6)	−0.0045 (6)
C18	0.0250 (7)	0.0221 (7)	0.0236 (7)	0.0008 (6)	0.0054 (6)	−0.0003 (6)
C21	0.0262 (8)	0.0249 (8)	0.0237 (8)	0.0044 (6)	−0.0018 (6)	0.0008 (6)
C22	0.0256 (8)	0.0256 (8)	0.0274 (8)	0.0059 (6)	−0.0017 (6)	−0.0017 (6)
C23	0.0370 (9)	0.0188 (7)	0.0238 (8)	0.0026 (6)	−0.0005 (6)	0.0020 (6)
C24	0.0374 (9)	0.0299 (9)	0.0310 (9)	0.0079 (7)	−0.0020 (7)	−0.0021 (7)
C25	0.0567 (12)	0.0293 (9)	0.0326 (9)	0.0163 (8)	0.0013 (8)	−0.0025 (7)
C26	0.0650 (13)	0.0200 (8)	0.0313 (9)	0.0015 (8)	−0.0064 (9)	−0.0029 (7)
C27	0.0492 (11)	0.0227 (8)	0.0343 (9)	−0.0062 (8)	−0.0050 (8)	0.0036 (7)
C28	0.0389 (9)	0.0200 (8)	0.0302 (8)	−0.0011 (7)	0.0008 (7)	0.0029 (6)
F14	0.0387 (5)	0.0212 (5)	0.0299 (5)	−0.0042 (4)	−0.0014 (4)	0.0004 (4)
F15	0.0387 (6)	0.0295 (5)	0.0362 (5)	0.0026 (4)	0.0024 (4)	0.0130 (4)
F16	0.0365 (6)	0.0502 (7)	0.0257 (5)	−0.0025 (5)	−0.0074 (4)	0.0107 (5)
F17	0.0392 (6)	0.0393 (6)	0.0286 (5)	−0.0072 (4)	−0.0045 (4)	−0.0082 (4)
F18	0.0384 (5)	0.0214 (5)	0.0300 (5)	−0.0022 (4)	−0.0009 (4)	−0.0010 (4)
F24	0.0363 (6)	0.0525 (7)	0.0453 (6)	0.0106 (5)	0.0041 (5)	−0.0165 (5)
F25	0.0693 (8)	0.0504 (7)	0.0465 (7)	0.0275 (6)	−0.0010 (6)	−0.0186 (6)
F26	0.0880 (10)	0.0271 (6)	0.0431 (7)	0.0011 (6)	−0.0074 (6)	−0.0131 (5)
F27	0.0533 (7)	0.0347 (6)	0.0531 (7)	−0.0174 (5)	−0.0067 (6)	−0.0040 (5)
F28	0.0328 (5)	0.0360 (6)	0.0452 (6)	−0.0056 (4)	0.0054 (5)	−0.0057 (5)

Geometric parameters (Å, º) top

Al1—N2	1.8575 (14)	C11—H111	0.931 (19)
Al1—N1	1.8697 (14)	C12—H122	0.990 (17)
Al1—C10	1.9536 (18)	C12—H121	0.995 (17)
Al1—N3	2.0104 (13)	C13—C14	1.401 (2)
Al1—F18	2.5717 (11)	C13—C18	1.403 (2)
N1—C13	1.3704 (19)	C14—F14	1.3573 (17)
N1—C12	1.4700 (19)	C14—C15	1.381 (2)
N2—C23	1.387 (2)	C15—F15	1.3457 (18)
N2—C22	1.480 (2)	C15—C16	1.379 (2)
N3—C21	1.4947 (19)	C16—F16	1.3486 (18)
N3—C11	1.497 (2)	C16—C17	1.380 (2)
N3—C1	1.5086 (19)	C17—F17	1.3404 (18)
C1—C2	1.514 (2)	C17—C18	1.373 (2)
C1—H12	0.976 (19)	C18—F18	1.3591 (18)
C1—H11	0.99 (2)	C21—C22	1.522 (2)
C2—C3	1.389 (2)	C21—H212	0.972 (19)
C2—C7	1.395 (2)	C21—H211	0.980 (19)
C3—C4	1.392 (2)	C22—H222	0.987 (19)
C3—H3	0.946 (19)	C22—H221	1.004 (19)
C4—C5	1.384 (3)	C23—C24	1.401 (2)
C4—H4	0.90 (2)	C23—C28	1.404 (2)
C5—C6	1.372 (3)	C24—F24	1.352 (2)
C5—H5	0.91 (2)	C24—C25	1.388 (3)
C6—C7	1.390 (3)	C25—F25	1.345 (2)
C6—H6	0.97 (3)	C25—C26	1.368 (3)
C7—H7	0.96 (2)	C26—F26	1.353 (2)
C10—H103	0.98 (2)	C26—C27	1.375 (3)
C10—H102	0.98 (2)	C27—F27	1.346 (2)
C10—H101	0.92 (3)	C27—C28	1.374 (2)
C11—C12	1.524 (2)	C28—F28	1.342 (2)
C11—H112	0.963 (17)

N2—Al1—N1	119.38 (6)	H112—C11—H111	107.5 (14)
N2—Al1—C10	124.64 (7)	N1—C12—C11	106.70 (12)
N1—Al1—C10	112.86 (7)	N1—C12—H122	112.0 (10)
N2—Al1—N3	88.55 (6)	C11—C12—H122	108.6 (10)
N1—Al1—N3	87.50 (6)	N1—C12—H121	112.8 (10)
C10—Al1—N3	111.33 (7)	C11—C12—H121	110.5 (10)
N2—Al1—F18	86.80 (5)	H122—C12—H121	106.2 (14)
N1—Al1—F18	71.20 (4)	N1—C13—C14	129.02 (14)
C10—Al1—F18	93.65 (6)	N1—C13—C18	117.72 (14)
N3—Al1—F18	152.24 (5)	C14—C13—C18	113.25 (13)
C13—N1—C12	120.47 (12)	F14—C14—C15	116.26 (14)
C13—N1—Al1	124.31 (10)	F14—C14—C13	120.67 (13)
C12—N1—Al1	113.87 (9)	C15—C14—C13	123.05 (14)
C23—N2—C22	117.19 (13)	F15—C15—C16	119.51 (14)
C23—N2—Al1	130.18 (11)	F15—C15—C14	119.53 (14)
C22—N2—Al1	112.29 (10)	C16—C15—C14	120.92 (15)
C21—N3—C11	111.39 (12)	F16—C16—C15	120.50 (15)
C21—N3—C1	111.92 (12)	F16—C16—C17	120.99 (15)
C11—N3—C1	112.20 (12)	C15—C16—C17	118.46 (14)
C21—N3—Al1	104.70 (9)	F17—C17—C18	120.41 (15)
C11—N3—Al1	104.48 (9)	F17—C17—C16	120.21 (14)
C1—N3—Al1	111.67 (9)	C18—C17—C16	119.37 (14)
N3—C1—C2	115.91 (12)	F18—C18—C17	118.59 (13)
N3—C1—H12	107.5 (11)	F18—C18—C13	116.52 (13)
C2—C1—H12	109.0 (11)	C17—C18—C13	124.89 (15)
N3—C1—H11	105.8 (11)	N3—C21—C22	109.57 (12)
C2—C1—H11	109.8 (11)	N3—C21—H212	106.1 (11)
H12—C1—H11	108.7 (15)	C22—C21—H212	110.1 (11)
C3—C2—C7	118.60 (15)	N3—C21—H211	110.3 (11)
C3—C2—C1	121.23 (15)	C22—C21—H211	111.8 (11)
C7—C2—C1	120.12 (16)	H212—C21—H211	108.7 (15)
C2—C3—C4	120.60 (18)	N2—C22—C21	107.78 (13)
C2—C3—H3	119.8 (11)	N2—C22—H222	111.0 (10)
C4—C3—H3	119.5 (11)	C21—C22—H222	107.3 (11)
C5—C4—C3	120.01 (19)	N2—C22—H221	114.4 (10)
C5—C4—H4	122.9 (13)	C21—C22—H221	110.1 (11)
C3—C4—H4	117.1 (13)	H222—C22—H221	106.0 (15)
C6—C5—C4	119.88 (17)	N2—C23—C24	126.01 (16)
C6—C5—H5	121.3 (14)	N2—C23—C28	120.22 (15)
C4—C5—H5	118.9 (14)	C24—C23—C28	113.77 (15)
C5—C6—C7	120.41 (19)	F24—C24—C25	116.72 (16)
C5—C6—H6	123.0 (15)	F24—C24—C23	120.44 (15)
C7—C6—H6	116.6 (15)	C25—C24—C23	122.82 (17)
C6—C7—C2	120.45 (19)	F25—C25—C26	119.94 (17)
C6—C7—H7	121.0 (12)	F25—C25—C24	119.32 (19)
C2—C7—H7	118.6 (12)	C26—C25—C24	120.70 (18)
Al1—C10—H103	109.9 (13)	F26—C26—C25	121.03 (19)
Al1—C10—H102	111.6 (13)	F26—C26—C27	120.31 (18)
H103—C10—H102	111.6 (19)	C25—C26—C27	118.66 (16)
Al1—C10—H101	106.8 (16)	F27—C27—C28	119.72 (18)
H103—C10—H101	108 (2)	F27—C27—C26	120.11 (16)
H102—C10—H101	108 (2)	C28—C27—C26	120.17 (18)
N3—C11—C12	109.96 (12)	F28—C28—C27	117.51 (16)
N3—C11—H112	110.2 (10)	F28—C28—C23	118.72 (14)
C12—C11—H112	112.0 (10)	C27—C28—C23	123.77 (17)
N3—C11—H111	108.8 (11)	C18—F18—Al1	102.48 (8)
C12—C11—H111	108.3 (11)

Experimental details

Crystal data
Chemical formula	[Al(CH₃)(C₂₃H₁₅F₁₀N₃)]
M_r	565.39
Crystal system, space group	Monoclinic, P2₁/c
Temperature (K)	173
a, b, c (Å)	7.9530 (14), 33.577 (6), 8.7247 (15)
β (°)	100.809 (2)
V (Å³)	2288.5 (7)
Z	4
Radiation type	Mo Kα
µ (mm⁻¹)	0.19
Crystal size (mm)	0.20 × 0.20 × 0.05

Data collection
Diffractometer	Bruker SMART APEXII diffractometer
Absorption correction	Multi-scan (SADABS; Bruker, 2008)
T_min, T_max	0.963, 0.991
No. of measured, independent and observed [I > 2σ(I)] reflections	19211, 4972, 4317
R_int	0.021
(sin θ/λ)_max (Å⁻¹)	0.639

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.036, 0.094, 1.02
No. of reflections	4972
No. of parameters	415
H-atom treatment	All H-atom parameters refined
Δρ_max, Δρ_min (e Å⁻³)	0.36, −0.26

Computer programs: APEX2 (Bruker, 2008), SAINT (Bruker, 2008), SHELXTL (Sheldrick, 2008).

Acknowledgements

This work was partially supported by RFBR (projects 12–03-90020-Bel_a, 12–03-00206 − a) and a grant from the President of the Russian Federation to support the research of young Russian scientists and doctors (MD-3634.2012.3).

References

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