Potassium bis­(1,1,1,5,5,5-hexa­fluoro­pentane-2,4-dionato)bis­(4,4,4-trifluoro-1-phenyl­butane-1,3-dionato)europate(III)

Stanley, J.M.; Holliday, B.J.

doi:10.1107/S1600536810021458

metal-organic compounds

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ISSN: 2056-9890

Volume 66| Part 7| July 2010| Pages m799-m800

doi:10.1107/S1600536810021458

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Potassium bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)bis(4,4,4-trifluoro-1-phenylbutane-1,3-dionato)europate(III)

Julie M. Stanley ^a and Bradley J. Holliday ^a ^*

^aDepartment of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station, A5300, Austin, Texas 78712, USA
^*Correspondence e-mail: bholliday@cm.utexas.edu

(Received 12 May 2010; accepted 4 June 2010; online 16 June 2010)

In the crystal structure of the title complex, K[Eu(C₅HF₆O₂)₂(C₁₀H₆F₃O₂)₂], the Eu^III ion is in a slightly distorted square-antiprismatic coordination geometry which is defined by eight O atoms of the anionic β-diketone ligands. The two K⁺ ions lie on crystallographic inversion centers. The Eu—O bond distances are in the range 2.294 (5)–2.413 (5) Å. The crystal used was a non-merohedral twin, the ratio of the twin domains being 0.5236 (5):0.4764 (5).

Related literature

For general background to and potential applications of luminescent lanthanide complexes containing β-diketonates, see: Eliseeva & Bunzli (2010 ); de Bettencourt-Dias (1997 ); Stanley et al. (2010 ); Chen & Holliday (2008 ). For similar structures, see: Nockemann et al. (2005 ); Burns & Danford (1969 ). The twin law was determined using TwinSolve (Rigaku/MSC, 2002 ).

Experimental

Crystal data

K[Eu(C₅HF₆O₂)₂(C₁₀H₆F₃O₂)₂]
M_r = 1035.47
Triclinic, $[P \overline 1]$
a = 11.737 (2) Å
b = 12.468 (2) Å
c = 13.788 (3) Å
α = 68.457 (8)°
β = 71.791 (8)°
γ = 71.726 (8)°
V = 1737.1 (5) Å³
Z = 2
Mo Kα radiation
μ = 2.07 mm⁻¹
T = 100 K
0.12 × 0.06 × 0.03 mm

Data collection

Rigaku AFC12 with Saturn 724+ CCD diffractometer
Absorption correction: multi-scan (ABSCOR; Higashi, 2001 ) T_min = 0.789, T_max = 0.941
25336 measured reflections
25336 independent reflections
22905 reflections with I > 2σ(I)

Refinement

R[F² > 2σ(F²)] = 0.096
wR(F²) = 0.197
S = 3.00
25336 reflections
527 parameters
H-atom parameters constrained
Δρ_max = 3.65 e Å⁻³
Δρ_min = −3.79 e Å⁻³

Table 1
Selected bond lengths (Å)

Eu1—O4	2.294 (5)
Eu1—O6	2.315 (5)
Eu1—O5	2.367 (4)
Eu1—O3	2.368 (4)
Eu1—O8	2.394 (5)
Eu1—O2	2.400 (5)
Eu1—O7	2.412 (4)
Eu1—O1	2.413 (5)

Data collection: CrystalClear (Rigaku/MSC, 2008 ); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SIR97 (Altomare et al., 1999 ) within WinGX (Farrugia, 1999 ); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ); molecular graphics: ORTEP-3 (Farrugia, 1997 ) and POV-RAY (Persistence of Vision, 2004 ); software used to prepare material for publication: SHELXL97.

Supporting information

Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536810021458/lh5047sup1.cif

Structure factors: contains datablock I. DOI: 10.1107/S1600536810021458/lh5047Isup2.hkl

checkCIF report

Comment top

Luminescent lanthanide complexes containing β-diketonates have many potential applications (Eliseeva & Bunzli, 2010; de Bettencourt-Dias, 1997; Stanley et al., 2010; Chen & Holliday, 2008). The solid-state crystal structure of K[Eu(hfac)₂(btfac)₂], where hfac = 1,1,1,5,5,5-hexafluoro-2,4-pentandionate and btfac = 4,4,4-trifluoro-1-phenyl-1,3-butanedionate, can be seen in Figure 1A. While complexes of the type A[Ln(L)₄], where A = Na⁶⁺ or K⁺ and L = acetoacetonate derivatives, have been reported (Nockemann et al. (2005); Burns & Danford (1969)), this is the first example of a mixed ligand complex that has been structurally characterized. After removing all atoms not bound to the metal center, it is apparent that the local coordination environment around the trivalent europium ion is a slightly distorted square antiprism (Figure 1B).

Related literature top

For general background to and potential applications of luminescent lanthanide complexes containing β-diketonates, see: Eliseeva & Bunzli (2010); de Bettencourt-Dias (1997); Stanley et al. (2010); Chen & Holliday (2008). For similar structures, see: Nockemann et al. (2005); Burns & Danford (1969). The twin law was determined using TwinSolve (Rigaku/MSC, 2002).

Experimental top

The title compound, K[Eu(hfac)₂(btfac)₂], was obtained as an unexpected product during the attempted synthesis of a europium tris(β-diketonate) bis(pyrazolyl)pyridine complex in which potassium tert-butoxide was used to deprotonate the β-diketone prior to complexation with the lanthanide salt.

Computing details top

Data collection: CrystalClear (Rigaku/MSC, 2008); cell refinement: CrystalClear (Rigaku/MSC, 2008); data reduction: CrystalClear (Rigaku/MSC, 2008); program(s) used to solve structure: SIR97 (Altomare et al., 1999) within WinGX (Farrugia, 1999); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and POV-RAY (Persistence of Vision, 2004); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top

Fig. 1. (A) ORTEP diagram of K[Eu(hfac)₂(btfac)₂] showing the labeling scheme of selected atoms at 30% probability level. Hydrogen atoms are omitted for clarity. (B) Coordination environment around Eu^III in K[Eu(hfac)₂(btfac)₂].

Potassium bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)bis(4,4,4-trifluoro-1- phenylbutane-1,3-dionato)europate(III) top

Crystal data top

K[Eu(C₅HF₆O₂)₂(C₁₀H₆F₃O₂)₂]	Z = 2
M_r = 1035.47	F(000) = 1004
Triclinic, P1	D_x = 1.980 Mg m⁻³
Hall symbol: -P 1	Mo Kα radiation, λ = 0.71069 Å
a = 11.737 (2) Å	Cell parameters from 30786 reflections
b = 12.468 (2) Å	θ = 4.7–27.5°
c = 13.788 (3) Å	µ = 2.07 mm⁻¹
α = 68.457 (8)°	T = 100 K
β = 71.791 (8)°	Block, colourless
γ = 71.726 (8)°	0.12 × 0.06 × 0.03 mm
V = 1737.1 (5) Å³

Data collection top

Rigaku AFC12 with Saturn 724+ CCD diffractometer	25336 independent reflections
Radiation source: fine-focus sealed tube	22905 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.000
ω–scans	θ_max = 25.0°, θ_min = 4.7°
Absorption correction: multi-scan (ABSCOR; Higashi, 2001)	h = −13→13
T_min = 0.789, T_max = 0.941	k = −14→14
25336 measured reflections	l = −16→16

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)] = 0.096	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.197	H-atom parameters constrained
S = 3.00	w = 1/[σ²(F_o²) + (0.040P)²] where P = (F_o² + 2F_c²)/3
25336 reflections	(Δ/σ)_max = 0.008
527 parameters	Δρ_max = 3.65 e Å⁻³
0 restraints	Δρ_min = −3.79 e Å⁻³

Crystal data top

K[Eu(C₅HF₆O₂)₂(C₁₀H₆F₃O₂)₂]	γ = 71.726 (8)°
M_r = 1035.47	V = 1737.1 (5) Å³
Triclinic, P1	Z = 2
a = 11.737 (2) Å	Mo Kα radiation
b = 12.468 (2) Å	µ = 2.07 mm⁻¹
c = 13.788 (3) Å	T = 100 K
α = 68.457 (8)°	0.12 × 0.06 × 0.03 mm
β = 71.791 (8)°

Data collection top

Rigaku AFC12 with Saturn 724+ CCD diffractometer	25336 independent reflections
Absorption correction: multi-scan (ABSCOR; Higashi, 2001)	22905 reflections with I > 2σ(I)
T_min = 0.789, T_max = 0.941	R_int = 0.000
25336 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.096	0 restraints
wR(F²) = 0.197	H-atom parameters constrained
S = 3.00	Δρ_max = 3.65 e Å⁻³
25336 reflections	Δρ_min = −3.79 e Å⁻³
527 parameters

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.

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
C1	0.1917 (8)	0.5647 (8)	−0.0670 (7)	0.046 (2)
C2	0.1678 (6)	0.5603 (6)	0.0491 (5)	0.0270 (16)
C3	0.0581 (7)	0.6211 (6)	0.0938 (6)	0.0309 (17)
H3	0.0018	0.6697	0.0497	0.037*
C4	0.0261 (6)	0.6153 (6)	0.1978 (6)	0.0258 (16)
C5	−0.0953 (7)	0.6967 (7)	0.2354 (6)	0.0380 (19)
C6	0.6359 (8)	0.1771 (7)	0.1235 (6)	0.041 (2)
C7	0.5469 (7)	0.2239 (6)	0.2119 (6)	0.0338 (17)
C8	0.5666 (7)	0.1706 (7)	0.3098 (7)	0.039 (2)
H8	0.6384	0.1092	0.3191	0.047*
C9	0.4860 (6)	0.2006 (6)	0.4008 (6)	0.0296 (17)
C10	0.5163 (8)	0.1435 (6)	0.5104 (6)	0.0381 (19)
C11	0.4273 (8)	0.1526 (9)	0.5946 (6)	0.066 (3)
H25	0.3452	0.1863	0.5858	0.079*
C12	0.4490 (10)	0.1155 (9)	0.6927 (8)	0.065 (3)
H26	0.3856	0.1315	0.7517	0.078*
C13	0.5696 (10)	0.0513 (9)	0.7066 (8)	0.058 (3)
H27	0.5886	0.0198	0.7752	0.070*
C14	0.6554 (8)	0.0375 (9)	0.6180 (8)	0.057 (3)
H28	0.7372	−0.0031	0.6249	0.069*
C15	0.6304 (9)	0.0789 (9)	0.5191 (7)	0.063 (3)
H29	0.6909	0.0628	0.4587	0.076*
C16	0.0084 (8)	0.1836 (7)	0.5500 (6)	0.041 (2)
C17	0.0708 (7)	0.2337 (6)	0.4328 (6)	0.0319 (18)
C18	0.0681 (9)	0.1848 (8)	0.3593 (7)	0.050 (3)
H15	0.0174	0.1301	0.3809	0.059*
C19	0.1342 (8)	0.2112 (6)	0.2585 (7)	0.040 (2)
C20	0.1338 (7)	0.1522 (6)	0.1815 (6)	0.0357 (18)
C21	0.2254 (11)	0.1550 (9)	0.0945 (7)	0.079 (4)
H16	0.2851	0.1988	0.0802	0.095*
C22	0.2341 (10)	0.0944 (8)	0.0250 (8)	0.066 (3)
H17	0.3015	0.0934	−0.0349	0.079*
C23	0.1444 (12)	0.0361 (9)	0.0438 (9)	0.076 (4)
H18	0.1508	−0.0062	−0.0034	0.091*
C24	0.0410 (10)	0.0374 (8)	0.1331 (8)	0.068 (3)
H19	−0.0242	0.0011	0.1450	0.081*
C25	0.0430 (9)	0.0959 (8)	0.2015 (7)	0.049 (2)
H20	−0.0211	0.0963	0.2639	0.059*
C26	0.2817 (8)	0.5623 (8)	0.5313 (7)	0.045 (2)
C27	0.3058 (7)	0.5583 (6)	0.4158 (6)	0.0352 (18)
C28	0.3889 (6)	0.6178 (6)	0.3388 (6)	0.0266 (16)
H22	0.4258	0.6631	0.3574	0.032*
C29	0.4211 (6)	0.6142 (6)	0.2347 (6)	0.0283 (16)
C30	0.5014 (7)	0.6967 (7)	0.1520 (6)	0.0388 (19)
Eu1	0.27159 (3)	0.40232 (3)	0.27527 (3)	0.02047 (10)
F1	0.3069 (4)	0.5677 (4)	−0.1188 (3)	0.0435 (11)
F2	0.1728 (5)	0.4659 (5)	−0.0700 (4)	0.0657 (17)
F3	0.1194 (5)	0.6532 (6)	−0.1202 (4)	0.088 (2)
F4	−0.1848 (4)	0.6928 (5)	0.2024 (4)	0.0598 (14)
F5	−0.0824 (5)	0.8077 (4)	0.2013 (4)	0.0570 (15)
F6	−0.1285 (4)	0.6694 (4)	0.3418 (3)	0.0407 (11)
F7	0.6624 (4)	0.2662 (3)	0.0350 (3)	0.0412 (11)
F8	0.7376 (5)	0.1090 (5)	0.1463 (4)	0.0737 (17)
F9	0.5835 (5)	0.1168 (4)	0.0933 (4)	0.0519 (13)
F10	0.0912 (5)	0.1121 (3)	0.6036 (4)	0.0563 (14)
F11	−0.0526 (4)	0.2664 (3)	0.5961 (3)	0.0385 (10)
F12	−0.0690 (5)	0.1203 (4)	0.5625 (4)	0.0638 (15)
F13	0.5488 (4)	0.6708 (4)	0.0626 (3)	0.0395 (10)
F14	0.4382 (5)	0.8067 (4)	0.1321 (4)	0.0584 (16)
F15	0.5956 (5)	0.6911 (5)	0.1884 (4)	0.0709 (16)
F16	0.1628 (4)	0.5698 (4)	0.5792 (3)	0.0427 (11)
F17	0.3433 (5)	0.4672 (5)	0.5884 (4)	0.0657 (17)
F18	0.3105 (6)	0.6547 (5)	0.5334 (4)	0.0800 (19)
O1	0.2551 (4)	0.4986 (5)	0.0915 (4)	0.0251 (12)
O2	0.0837 (4)	0.5516 (4)	0.2704 (4)	0.0269 (11)
O3	0.4609 (4)	0.3098 (4)	0.1823 (4)	0.0312 (11)
O4	0.3868 (4)	0.2735 (4)	0.3960 (4)	0.0358 (12)
O5	0.1244 (4)	0.3130 (4)	0.4191 (3)	0.0291 (11)
O6	0.2076 (5)	0.2811 (4)	0.2196 (4)	0.0368 (12)
O7	0.3927 (4)	0.5503 (4)	0.1993 (4)	0.0273 (11)
O8	0.2463 (4)	0.4963 (5)	0.4063 (4)	0.0302 (13)
K1	0.0000	0.5000	0.5000	0.0293 (6)
K2	0.5000	0.5000	0.0000	0.0270 (6)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
C1	0.042 (5)	0.060 (6)	0.039 (5)	0.001 (4)	−0.019 (4)	−0.020 (4)
C2	0.023 (4)	0.037 (4)	0.021 (4)	−0.013 (3)	−0.003 (3)	−0.007 (3)
C3	0.031 (4)	0.033 (4)	0.022 (4)	−0.006 (3)	−0.003 (3)	−0.003 (3)
C4	0.018 (4)	0.018 (3)	0.035 (4)	0.003 (3)	−0.005 (3)	−0.008 (3)
C5	0.037 (5)	0.050 (5)	0.027 (4)	−0.004 (4)	−0.013 (4)	−0.012 (4)
C6	0.044 (5)	0.040 (5)	0.029 (4)	0.002 (4)	0.001 (4)	−0.014 (4)
C7	0.029 (4)	0.028 (4)	0.041 (5)	−0.002 (3)	−0.002 (4)	−0.015 (3)
C8	0.026 (4)	0.030 (4)	0.049 (5)	0.005 (3)	0.000 (4)	−0.013 (4)
C9	0.026 (4)	0.033 (4)	0.025 (4)	−0.009 (3)	0.002 (3)	−0.007 (3)
C10	0.051 (5)	0.023 (4)	0.034 (4)	−0.004 (3)	−0.010 (4)	−0.003 (3)
C11	0.037 (5)	0.099 (8)	0.025 (5)	0.013 (5)	−0.010 (4)	0.001 (5)
C12	0.064 (7)	0.074 (7)	0.051 (6)	0.007 (5)	−0.020 (5)	−0.026 (5)
C13	0.060 (7)	0.075 (7)	0.053 (6)	−0.007 (5)	−0.030 (6)	−0.026 (5)
C14	0.030 (5)	0.076 (7)	0.058 (6)	−0.015 (4)	−0.018 (5)	−0.001 (5)
C15	0.046 (6)	0.071 (7)	0.024 (5)	0.032 (5)	−0.008 (4)	0.001 (4)
C16	0.057 (5)	0.027 (4)	0.032 (4)	−0.020 (4)	0.003 (4)	−0.001 (3)
C17	0.034 (4)	0.017 (4)	0.033 (4)	−0.009 (3)	0.011 (3)	−0.007 (3)
C18	0.064 (6)	0.047 (6)	0.049 (6)	−0.033 (5)	0.014 (5)	−0.031 (4)
C19	0.058 (5)	0.032 (4)	0.039 (5)	−0.023 (4)	−0.015 (4)	−0.009 (4)
C20	0.048 (5)	0.034 (4)	0.029 (4)	−0.025 (4)	0.001 (4)	−0.007 (3)
C21	0.141 (10)	0.098 (8)	0.032 (5)	−0.096 (8)	0.022 (6)	−0.034 (5)
C22	0.080 (7)	0.041 (5)	0.072 (7)	−0.021 (5)	0.010 (6)	−0.028 (5)
C23	0.104 (9)	0.052 (6)	0.068 (7)	−0.019 (6)	0.005 (7)	−0.032 (6)
C24	0.088 (8)	0.052 (6)	0.059 (7)	−0.035 (5)	0.002 (6)	−0.010 (5)
C25	0.070 (6)	0.060 (6)	0.033 (5)	−0.044 (5)	0.001 (4)	−0.018 (4)
C26	0.050 (6)	0.058 (6)	0.040 (5)	−0.017 (5)	−0.011 (5)	−0.023 (4)
C27	0.030 (4)	0.030 (4)	0.055 (5)	0.004 (3)	−0.018 (4)	−0.025 (4)
C28	0.017 (4)	0.028 (4)	0.045 (5)	−0.011 (3)	−0.014 (3)	−0.012 (3)
C29	0.026 (4)	0.031 (4)	0.031 (4)	−0.003 (3)	−0.014 (3)	−0.009 (3)
C30	0.041 (5)	0.047 (5)	0.040 (5)	−0.029 (4)	−0.008 (4)	−0.009 (4)
Eu1	0.01748 (16)	0.02274 (16)	0.02001 (16)	−0.00665 (12)	0.00050 (11)	−0.00718 (13)
F1	0.047 (3)	0.057 (3)	0.027 (2)	−0.017 (2)	−0.004 (2)	−0.013 (2)
F2	0.067 (4)	0.100 (6)	0.058 (4)	−0.045 (3)	0.001 (3)	−0.046 (3)
F3	0.066 (4)	0.129 (5)	0.034 (3)	0.036 (4)	−0.023 (3)	−0.024 (3)
F4	0.028 (3)	0.092 (4)	0.074 (4)	0.013 (2)	−0.025 (3)	−0.052 (3)
F5	0.077 (4)	0.025 (3)	0.053 (3)	−0.002 (2)	−0.005 (3)	−0.008 (2)
F6	0.027 (2)	0.041 (2)	0.044 (3)	0.0052 (18)	−0.001 (2)	−0.018 (2)
F7	0.037 (3)	0.036 (2)	0.039 (3)	−0.0106 (19)	0.012 (2)	−0.014 (2)
F8	0.054 (3)	0.080 (4)	0.051 (3)	0.039 (3)	−0.011 (3)	−0.025 (3)
F9	0.069 (3)	0.037 (2)	0.045 (3)	−0.013 (2)	0.011 (3)	−0.027 (2)
F10	0.068 (3)	0.036 (2)	0.038 (3)	0.000 (3)	0.001 (3)	−0.001 (2)
F11	0.042 (3)	0.042 (2)	0.030 (2)	−0.017 (2)	0.006 (2)	−0.016 (2)
F12	0.096 (4)	0.060 (3)	0.043 (3)	−0.060 (3)	0.019 (3)	−0.018 (2)
F13	0.037 (2)	0.047 (3)	0.033 (2)	−0.022 (2)	0.007 (2)	−0.011 (2)
F14	0.092 (4)	0.031 (3)	0.043 (3)	−0.021 (3)	0.003 (3)	−0.011 (2)
F15	0.067 (4)	0.109 (4)	0.053 (3)	−0.066 (3)	−0.008 (3)	−0.008 (3)
F16	0.038 (3)	0.057 (3)	0.031 (2)	−0.011 (2)	0.006 (2)	−0.023 (2)
F17	0.051 (3)	0.104 (6)	0.037 (3)	0.000 (3)	−0.024 (3)	−0.017 (3)
F18	0.120 (5)	0.106 (5)	0.051 (3)	−0.075 (4)	0.008 (3)	−0.046 (3)
O1	0.024 (3)	0.029 (2)	0.031 (3)	−0.015 (2)	−0.001 (3)	−0.015 (2)
O2	0.029 (3)	0.029 (3)	0.023 (3)	−0.013 (2)	0.003 (2)	−0.009 (2)
O3	0.023 (3)	0.028 (3)	0.035 (3)	−0.003 (2)	0.004 (2)	−0.011 (2)
O4	0.028 (3)	0.038 (3)	0.030 (3)	0.007 (2)	−0.004 (2)	−0.012 (2)
O5	0.038 (3)	0.033 (3)	0.018 (2)	−0.014 (2)	0.001 (2)	−0.011 (2)
O6	0.041 (3)	0.044 (3)	0.034 (3)	−0.020 (2)	0.002 (2)	−0.020 (2)
O7	0.022 (3)	0.034 (3)	0.032 (3)	−0.012 (2)	−0.003 (2)	−0.015 (2)
O8	0.028 (3)	0.027 (2)	0.041 (4)	−0.010 (2)	−0.004 (3)	−0.016 (2)
K1	0.0263 (13)	0.0289 (11)	0.0318 (18)	−0.0071 (10)	−0.0013 (13)	−0.0118 (9)
K2	0.0237 (12)	0.0352 (11)	0.0197 (16)	−0.0096 (10)	0.0031 (12)	−0.0095 (9)

Geometric parameters (Å, º) top

C1—F3	1.297 (9)	C17—O5	1.260 (8)
C1—F1	1.322 (9)	C17—C18	1.373 (11)
C1—F2	1.335 (10)	C18—C19	1.340 (11)
C1—C2	1.519 (10)	C18—H15	0.9500
C2—O1	1.239 (8)	C19—O6	1.276 (9)
C2—C3	1.359 (10)	C19—C20	1.499 (10)
C3—C4	1.345 (10)	C20—C21	1.335 (11)
C3—H3	0.9500	C20—C25	1.360 (11)
C4—O2	1.261 (8)	C21—C22	1.386 (12)
C4—C5	1.531 (10)	C21—H16	0.9500
C5—F4	1.288 (8)	C22—C23	1.369 (15)
C5—F5	1.330 (9)	C22—H17	0.9500
C5—F6	1.334 (8)	C23—C24	1.435 (14)
C6—F8	1.284 (9)	C23—H18	0.9500
C6—F9	1.339 (10)	C24—C25	1.396 (12)
C6—F7	1.343 (8)	C24—H19	0.9500
C6—C7	1.504 (10)	C25—H20	0.9500
C7—O3	1.262 (9)	C26—F17	1.296 (10)
C7—C8	1.325 (11)	C26—F18	1.310 (9)
C8—C9	1.410 (10)	C26—F16	1.334 (9)
C8—H8	0.9500	C26—C27	1.545 (11)
C9—O4	1.236 (8)	C27—O8	1.253 (8)
C9—C10	1.518 (10)	C27—C28	1.363 (10)
C10—C11	1.311 (11)	C28—C29	1.380 (10)
C10—C15	1.345 (12)	C28—H22	0.9500
C11—C12	1.338 (12)	C29—O7	1.239 (8)
C11—H25	0.9500	C29—C30	1.524 (10)
C12—C13	1.423 (14)	C30—F13	1.297 (8)
C12—H26	0.9500	C30—F14	1.312 (9)
C13—C14	1.347 (13)	C30—F15	1.323 (9)
C13—H27	0.9500	Eu1—O4	2.294 (5)
C14—C15	1.361 (12)	Eu1—O6	2.315 (5)
C14—H28	0.9500	Eu1—O5	2.367 (4)
C15—H29	0.9500	Eu1—O3	2.368 (4)
C16—F10	1.307 (10)	Eu1—O8	2.394 (5)
C16—F11	1.310 (8)	Eu1—O2	2.400 (5)
C16—F12	1.315 (9)	Eu1—O7	2.412 (4)
C16—C17	1.531 (10)	Eu1—O1	2.413 (5)

F3—C1—F1	108.5 (7)	C16—F11—K1	119.4 (4)
F3—C1—F2	107.2 (7)	C30—F13—K2	127.8 (4)
F1—C1—F2	106.0 (6)	C26—F16—K1	121.0 (4)
F3—C1—C2	113.2 (7)	C2—O1—Eu1	133.2 (4)
F1—C1—C2	112.7 (7)	C2—O1—K2	125.6 (4)
F2—C1—C2	108.8 (7)	Eu1—O1—K2	98.37 (15)
O1—C2—C3	128.0 (7)	C4—O2—Eu1	133.7 (4)
O1—C2—C1	113.1 (6)	C4—O2—K1	129.6 (4)
C3—C2—C1	118.9 (7)	Eu1—O2—K1	95.34 (15)
C4—C3—C2	122.7 (7)	C7—O3—Eu1	133.5 (5)
C4—C3—H3	118.7	C7—O3—K2	122.7 (4)
C2—C3—H3	118.7	Eu1—O3—K2	98.83 (15)
O2—C4—C3	128.6 (6)	C9—O4—Eu1	141.3 (5)
O2—C4—C5	114.3 (6)	C17—O5—Eu1	132.8 (4)
C3—C4—C5	117.1 (6)	C17—O5—K1	120.0 (4)
F4—C5—F5	109.1 (6)	Eu1—O5—K1	99.91 (15)
F4—C5—F6	107.6 (6)	C19—O6—Eu1	138.0 (5)
F5—C5—F6	105.5 (6)	C29—O7—Eu1	134.9 (5)
F4—C5—C4	112.5 (6)	C29—O7—K2	128.1 (4)
F5—C5—C4	110.0 (6)	Eu1—O7—K2	95.88 (14)
F6—C5—C4	111.9 (6)	C27—O8—Eu1	133.6 (5)
F8—C6—F9	107.5 (7)	C27—O8—K1	124.7 (4)
F8—C6—F7	108.2 (7)	Eu1—O8—K1	98.81 (14)
F9—C6—F7	104.3 (6)	O5ⁱ—K1—O5	180.0
F8—C6—C7	115.2 (7)	O5ⁱ—K1—O8ⁱ	65.46 (14)
F9—C6—C7	110.2 (7)	O5—K1—O8ⁱ	114.54 (14)
F7—C6—C7	110.9 (6)	O5ⁱ—K1—O8	114.54 (14)
O3—C7—C8	128.2 (7)	O5—K1—O8	65.46 (14)
O3—C7—C6	114.5 (7)	O8ⁱ—K1—O8	180.0
C8—C7—C6	117.4 (7)	O5ⁱ—K1—F6	74.59 (13)
C7—C8—C9	123.1 (7)	O5—K1—F6	105.41 (13)
C7—C8—H8	118.4	O8ⁱ—K1—F6	75.14 (14)
C9—C8—H8	118.4	O8—K1—F6	104.86 (14)
O4—C9—C8	122.1 (7)	O5ⁱ—K1—F6ⁱ	105.41 (13)
O4—C9—C10	116.4 (6)	O5—K1—F6ⁱ	74.59 (13)
C8—C9—C10	121.5 (7)	O8ⁱ—K1—F6ⁱ	104.86 (14)
C11—C10—C15	121.9 (8)	O8—K1—F6ⁱ	75.14 (14)
C11—C10—C9	118.3 (7)	F6—K1—F6ⁱ	180.0
C15—C10—C9	119.6 (7)	O5ⁱ—K1—O2ⁱ	62.26 (13)
C10—C11—C12	121.7 (9)	O5—K1—O2ⁱ	117.74 (13)
C10—C11—H25	119.1	O8ⁱ—K1—O2ⁱ	60.32 (14)
C12—C11—H25	119.1	O8—K1—O2ⁱ	119.68 (14)
C11—C12—C13	118.4 (9)	F6—K1—O2ⁱ	127.09 (12)
C11—C12—H26	120.8	F6ⁱ—K1—O2ⁱ	52.91 (12)
C13—C12—H26	120.8	O5ⁱ—K1—O2	117.74 (13)
C14—C13—C12	116.9 (9)	O5—K1—O2	62.26 (13)
C14—C13—H27	121.5	O8ⁱ—K1—O2	119.68 (14)
C12—C13—H27	121.5	O8—K1—O2	60.32 (14)
C13—C14—C15	123.0 (9)	F6—K1—O2	52.91 (12)
C13—C14—H28	118.5	F6ⁱ—K1—O2	127.09 (12)
C15—C14—H28	118.5	O2ⁱ—K1—O2	180.000 (1)
C10—C15—C14	117.2 (8)	O5ⁱ—K1—F11ⁱ	56.45 (12)
C10—C15—H29	121.4	O5—K1—F11ⁱ	123.55 (12)
C14—C15—H29	121.4	O8ⁱ—K1—F11ⁱ	113.43 (13)
F10—C16—F11	108.0 (7)	O8—K1—F11ⁱ	66.57 (13)
F10—C16—F12	105.7 (6)	F6—K1—F11ⁱ	61.25 (13)
F11—C16—F12	107.2 (6)	F6ⁱ—K1—F11ⁱ	118.75 (13)
F10—C16—C17	109.8 (7)	O2ⁱ—K1—F11ⁱ	110.84 (11)
F11—C16—C17	112.5 (6)	O2—K1—F11ⁱ	69.16 (11)
F12—C16—C17	113.2 (7)	O5ⁱ—K1—F11	123.55 (12)
O5—C17—C18	128.8 (7)	O5—K1—F11	56.45 (12)
O5—C17—C16	112.7 (7)	O8ⁱ—K1—F11	66.57 (13)
C18—C17—C16	118.4 (7)	O8—K1—F11	113.43 (13)
C19—C18—C17	122.5 (8)	F6—K1—F11	118.75 (13)
C19—C18—H15	118.7	F6ⁱ—K1—F11	61.25 (13)
C17—C18—H15	118.7	O2ⁱ—K1—F11	69.16 (11)
O6—C19—C18	125.3 (7)	O2—K1—F11	110.84 (11)
O6—C19—C20	113.3 (7)	F11ⁱ—K1—F11	180.000 (1)
C18—C19—C20	121.3 (7)	O5ⁱ—K1—F16ⁱ	111.12 (13)
C21—C20—C25	121.3 (7)	O5—K1—F16ⁱ	68.88 (13)
C21—C20—C19	118.3 (7)	O8ⁱ—K1—F16ⁱ	55.40 (12)
C25—C20—C19	120.3 (7)	O8—K1—F16ⁱ	124.60 (12)
C20—C21—C22	120.5 (8)	F6—K1—F16ⁱ	59.70 (13)
C20—C21—H16	119.7	F6ⁱ—K1—F16ⁱ	120.30 (13)
C22—C21—H16	119.7	O2ⁱ—K1—F16ⁱ	108.34 (12)
C23—C22—C21	119.3 (9)	O2—K1—F16ⁱ	71.66 (12)
C23—C22—H17	120.4	F11ⁱ—K1—F16ⁱ	120.65 (12)
C21—C22—H17	120.4	F11—K1—F16ⁱ	59.35 (12)
C22—C23—C24	121.4 (10)	O5ⁱ—K1—F16	68.88 (13)
C22—C23—H18	119.3	O5—K1—F16	111.12 (13)
C24—C23—H18	119.3	O8ⁱ—K1—F16	124.60 (12)
C25—C24—C23	115.3 (10)	O8—K1—F16	55.40 (12)
C25—C24—H19	122.4	F6—K1—F16	120.30 (13)
C23—C24—H19	122.4	F6ⁱ—K1—F16	59.70 (13)
C20—C25—C24	122.0 (8)	O2ⁱ—K1—F16	71.66 (12)
C20—C25—H20	119.0	O2—K1—F16	108.34 (12)
C24—C25—H20	119.0	F11ⁱ—K1—F16	59.35 (12)
F17—C26—F18	109.0 (7)	F11—K1—F16	120.65 (12)
F17—C26—F16	107.3 (7)	F16ⁱ—K1—F16	180.00 (14)
F18—C26—F16	106.6 (7)	O1ⁱⁱ—K2—O1	180.0
F17—C26—C27	111.0 (7)	O1ⁱⁱ—K2—O3ⁱⁱ	65.99 (14)
F18—C26—C27	111.8 (7)	O1—K2—O3ⁱⁱ	114.01 (14)
F16—C26—C27	110.9 (7)	O1ⁱⁱ—K2—O3	114.01 (14)
O8—C27—C28	128.3 (7)	O1—K2—O3	65.99 (14)
O8—C27—C26	113.8 (7)	O3ⁱⁱ—K2—O3	180.00 (16)
C28—C27—C26	117.9 (7)	O1ⁱⁱ—K2—F13ⁱⁱ	105.49 (12)
C27—C28—C29	122.0 (6)	O1—K2—F13ⁱⁱ	74.51 (12)
C27—C28—H22	119.0	O3ⁱⁱ—K2—F13ⁱⁱ	107.25 (13)
C29—C28—H22	119.0	O3—K2—F13ⁱⁱ	72.75 (13)
O7—C29—C28	127.5 (7)	O1ⁱⁱ—K2—F13	74.51 (12)
O7—C29—C30	114.9 (6)	O1—K2—F13	105.49 (12)
C28—C29—C30	117.6 (6)	O3ⁱⁱ—K2—F13	72.75 (13)
F13—C30—F14	109.0 (6)	O3—K2—F13	107.25 (13)
F13—C30—F15	106.0 (6)	F13ⁱⁱ—K2—F13	180.0
F14—C30—F15	107.1 (6)	O1ⁱⁱ—K2—O7ⁱⁱ	60.91 (12)
F13—C30—C29	113.6 (6)	O1—K2—O7ⁱⁱ	119.09 (12)
F14—C30—C29	110.4 (6)	O3ⁱⁱ—K2—O7ⁱⁱ	62.65 (13)
F15—C30—C29	110.5 (6)	O3—K2—O7ⁱⁱ	117.35 (13)
O4—Eu1—O6	104.33 (17)	F13ⁱⁱ—K2—O7ⁱⁱ	53.95 (11)
O4—Eu1—O5	76.78 (17)	F13—K2—O7ⁱⁱ	126.05 (11)
O6—Eu1—O5	71.91 (16)	O1ⁱⁱ—K2—O7	119.09 (12)
O4—Eu1—O3	70.88 (16)	O1—K2—O7	60.91 (12)
O6—Eu1—O3	78.60 (17)	O3ⁱⁱ—K2—O7	117.35 (13)
O5—Eu1—O3	128.55 (14)	O3—K2—O7	62.65 (13)
O4—Eu1—O8	72.72 (18)	F13ⁱⁱ—K2—O7	126.05 (11)
O6—Eu1—O8	149.11 (16)	F13—K2—O7	53.95 (11)
O5—Eu1—O8	77.60 (16)	O7ⁱⁱ—K2—O7	180.0
O3—Eu1—O8	126.22 (16)	O1ⁱⁱ—K2—F7	66.14 (13)
O4—Eu1—O2	139.43 (16)	O1—K2—F7	113.86 (13)
O6—Eu1—O2	94.56 (17)	O3ⁱⁱ—K2—F7	124.48 (12)
O5—Eu1—O2	75.54 (15)	O3—K2—F7	55.52 (12)
O3—Eu1—O2	149.11 (16)	F13ⁱⁱ—K2—F7	61.71 (13)
O8—Eu1—O2	72.79 (16)	F13—K2—F7	118.29 (13)
O4—Eu1—O7	97.01 (17)	O7ⁱⁱ—K2—F7	70.51 (12)
O6—Eu1—O7	138.70 (16)	O7—K2—F7	109.49 (12)
O5—Eu1—O7	148.45 (15)	O1ⁱⁱ—K2—F7ⁱⁱ	113.86 (13)
O3—Eu1—O7	75.60 (15)	O1—K2—F7ⁱⁱ	66.14 (13)
O8—Eu1—O7	71.08 (16)	O3ⁱⁱ—K2—F7ⁱⁱ	55.52 (12)
O2—Eu1—O7	91.44 (13)	O3—K2—F7ⁱⁱ	124.48 (12)
O4—Eu1—O1	149.01 (16)	F13ⁱⁱ—K2—F7ⁱⁱ	118.29 (13)
O6—Eu1—O1	71.28 (16)	F13—K2—F7ⁱⁱ	61.71 (13)
O5—Eu1—O1	127.16 (15)	O7ⁱⁱ—K2—F7ⁱⁱ	109.49 (12)
O3—Eu1—O1	78.24 (17)	O7—K2—F7ⁱⁱ	70.51 (12)
O8—Eu1—O1	126.86 (13)	F7—K2—F7ⁱⁱ	180.0
O2—Eu1—O1	71.08 (16)	O1ⁱⁱ—K2—F1	125.14 (13)
O7—Eu1—O1	72.26 (15)	O1—K2—F1	54.86 (13)
O4—Eu1—K2	107.55 (12)	O3ⁱⁱ—K2—F1	69.57 (13)
O6—Eu1—K2	93.08 (12)	O3—K2—F1	110.43 (13)
O5—Eu1—K2	164.99 (11)	F13ⁱⁱ—K2—F1	59.77 (12)
O3—Eu1—K2	44.52 (11)	F13—K2—F1	120.23 (12)
O8—Eu1—K2	117.38 (12)	O7ⁱⁱ—K2—F1	71.04 (12)
O2—Eu1—K2	106.88 (10)	O7—K2—F1	108.96 (12)
O7—Eu1—K2	46.38 (11)	F7—K2—F1	121.13 (12)
O1—Eu1—K2	44.11 (10)	F7ⁱⁱ—K2—F1	58.87 (12)
O4—Eu1—K1	92.65 (12)	O1ⁱⁱ—K2—F1ⁱⁱ	54.86 (13)
O6—Eu1—K1	106.80 (12)	O1—K2—F1ⁱⁱ	125.14 (13)
O5—Eu1—K1	43.66 (10)	O3ⁱⁱ—K2—F1ⁱⁱ	110.43 (13)
O3—Eu1—K1	163.53 (12)	O3—K2—F1ⁱⁱ	69.57 (13)
O8—Eu1—K1	44.13 (11)	F13ⁱⁱ—K2—F1ⁱⁱ	120.23 (12)
O2—Eu1—K1	47.16 (11)	F13—K2—F1ⁱⁱ	59.77 (12)
O7—Eu1—K1	107.07 (11)	O7ⁱⁱ—K2—F1ⁱⁱ	108.96 (12)
O1—Eu1—K1	118.19 (12)	O7—K2—F1ⁱⁱ	71.04 (12)
K2—Eu1—K1	147.309 (12)	F7—K2—F1ⁱⁱ	58.87 (12)
C1—F1—K2	120.3 (4)	F7ⁱⁱ—K2—F1ⁱⁱ	121.13 (12)
C5—F6—K1	129.9 (4)	F1—K2—F1ⁱⁱ	180.0
C6—F7—K2	121.4 (4)

F3—C1—C2—O1	−161.2 (7)	O7—C29—C30—F15	−132.4 (7)
F1—C1—C2—O1	−37.6 (9)	C28—C29—C30—F15	47.2 (9)
F2—C1—C2—O1	79.7 (8)	C3—C2—O1—Eu1	20.3 (11)
F3—C1—C2—C3	19.0 (11)	C1—C2—O1—Eu1	−159.5 (5)
F1—C1—C2—C3	142.6 (7)	O4—Eu1—O1—C2	170.4 (6)
F2—C1—C2—C3	−100.1 (8)	O6—Eu1—O1—C2	83.7 (6)
O1—C2—C3—C4	−4.5 (12)	O5—Eu1—O1—C2	35.6 (7)
C1—C2—C3—C4	175.2 (7)	O3—Eu1—O1—C2	165.5 (6)
C2—C3—C4—O2	−4.5 (12)	O8—Eu1—O1—C2	−67.8 (6)
C2—C3—C4—C5	174.8 (7)	O2—Eu1—O1—C2	−18.2 (6)
O2—C4—C5—F4	−132.8 (7)	O7—Eu1—O1—C2	−116.1 (6)
C3—C4—C5—F4	47.8 (9)	C3—C4—O2—Eu1	−2.8 (11)
O2—C4—C5—F5	105.4 (7)	C5—C4—O2—Eu1	177.9 (4)
C3—C4—C5—F5	−74.0 (9)	O4—Eu1—O2—C4	−176.9 (5)
O2—C4—C5—F6	−11.5 (9)	O6—Eu1—O2—C4	−58.5 (6)
C3—C4—C5—F6	169.1 (6)	O5—Eu1—O2—C4	−128.5 (6)
F8—C6—C7—O3	165.1 (7)	O3—Eu1—O2—C4	16.8 (7)
F9—C6—C7—O3	−73.2 (8)	O8—Eu1—O2—C4	150.2 (6)
F7—C6—C7—O3	41.8 (10)	O7—Eu1—O2—C4	80.6 (6)
F8—C6—C7—C8	−15.8 (11)	O1—Eu1—O2—C4	9.9 (6)
F9—C6—C7—C8	106.0 (9)	C8—C7—O3—Eu1	−13.1 (12)
F7—C6—C7—C8	−139.1 (8)	C6—C7—O3—Eu1	165.9 (5)
O3—C7—C8—C9	3.2 (14)	O4—Eu1—O3—C7	10.3 (6)
C6—C7—C8—C9	−175.8 (7)	O6—Eu1—O3—C7	−99.4 (6)
C7—C8—C9—O4	5.1 (13)	O5—Eu1—O3—C7	−43.9 (7)
C7—C8—C9—C10	−175.6 (8)	O8—Eu1—O3—C7	60.2 (7)
O4—C9—C10—C11	15.6 (11)	O2—Eu1—O3—C7	−179.1 (6)
C8—C9—C10—C11	−163.8 (9)	O7—Eu1—O3—C7	113.1 (7)
O4—C9—C10—C15	−168.9 (8)	O1—Eu1—O3—C7	−172.4 (6)
C8—C9—C10—C15	11.7 (12)	C8—C9—O4—Eu1	−3.8 (12)
C15—C10—C11—C12	11.7 (16)	C10—C9—O4—Eu1	176.9 (5)
C9—C10—C11—C12	−172.9 (9)	O6—Eu1—O4—C9	70.1 (8)
C10—C11—C12—C13	−8.0 (17)	O5—Eu1—O4—C9	137.2 (8)
C11—C12—C13—C14	3.1 (16)	O3—Eu1—O4—C9	−2.2 (7)
C12—C13—C14—C15	−1.8 (16)	O8—Eu1—O4—C9	−141.9 (8)
C11—C10—C15—C14	−9.7 (16)	O2—Eu1—O4—C9	−174.8 (7)
C9—C10—C15—C14	175.0 (8)	O7—Eu1—O4—C9	−74.2 (8)
C13—C14—C15—C10	4.9 (16)	O1—Eu1—O4—C9	−7.3 (10)
F10—C16—C17—O5	−75.9 (8)	C18—C17—O5—Eu1	−10.9 (13)
F11—C16—C17—O5	44.5 (9)	C16—C17—O5—Eu1	165.1 (5)
F12—C16—C17—O5	166.3 (7)	O4—Eu1—O5—C17	−103.0 (7)
F10—C16—C17—C18	100.6 (9)	O6—Eu1—O5—C17	7.1 (6)
F11—C16—C17—C18	−139.0 (8)	O3—Eu1—O5—C17	−51.1 (7)
F12—C16—C17—C18	−17.2 (11)	O8—Eu1—O5—C17	−177.9 (7)
O5—C17—C18—C19	5.4 (15)	O2—Eu1—O5—C17	107.0 (7)
C16—C17—C18—C19	−170.5 (8)	O7—Eu1—O5—C17	175.2 (6)
C17—C18—C19—O6	1.4 (15)	O1—Eu1—O5—C17	55.0 (7)
C17—C18—C19—C20	177.2 (8)	C18—C19—O6—Eu1	−2.4 (14)
O6—C19—C20—C21	15.3 (12)	C20—C19—O6—Eu1	−178.4 (5)
C18—C19—C20—C21	−161.0 (10)	O4—Eu1—O6—C19	69.7 (8)
O6—C19—C20—C25	−165.8 (8)	O5—Eu1—O6—C19	−0.9 (7)
C18—C19—C20—C25	18.0 (13)	O3—Eu1—O6—C19	136.4 (8)
C25—C20—C21—C22	−3.7 (17)	O8—Eu1—O6—C19	−10.5 (10)
C19—C20—C21—C22	175.3 (9)	O2—Eu1—O6—C19	−74.1 (8)
C20—C21—C22—C23	3.0 (18)	O7—Eu1—O6—C19	−171.5 (7)
C21—C22—C23—C24	0.7 (18)	O1—Eu1—O6—C19	−142.3 (8)
C22—C23—C24—C25	−3.6 (18)	C28—C29—O7—Eu1	0.9 (11)
C21—C20—C25—C24	0.5 (15)	C30—C29—O7—Eu1	−179.5 (5)
C19—C20—C25—C24	−178.4 (9)	O4—Eu1—O7—C29	−60.7 (6)
C23—C24—C25—C20	3.0 (16)	O6—Eu1—O7—C29	178.1 (6)
F17—C26—C27—O8	79.2 (8)	O5—Eu1—O7—C29	15.4 (8)
F18—C26—C27—O8	−158.8 (7)	O3—Eu1—O7—C29	−128.9 (6)
F16—C26—C27—O8	−40.0 (9)	O8—Eu1—O7—C29	8.3 (6)
F17—C26—C27—C28	−99.1 (8)	O2—Eu1—O7—C29	79.5 (6)
F18—C26—C27—C28	22.8 (10)	O1—Eu1—O7—C29	149.1 (6)
F16—C26—C27—C28	141.7 (7)	C28—C27—O8—Eu1	18.7 (12)
O8—C27—C28—C29	−1.5 (12)	C26—C27—O8—Eu1	−159.4 (5)
C26—C27—C28—C29	176.6 (6)	O4—Eu1—O8—C27	86.5 (7)
C27—C28—C29—O7	−8.5 (12)	O6—Eu1—O8—C27	175.6 (6)
C27—C28—C29—C30	172.0 (7)	O5—Eu1—O8—C27	166.3 (7)
O7—C29—C30—F13	−13.5 (10)	O3—Eu1—O8—C27	37.2 (7)
C28—C29—C30—F13	166.1 (6)	O2—Eu1—O8—C27	−115.2 (7)
O7—C29—C30—F14	109.3 (7)	O7—Eu1—O8—C27	−17.5 (6)
C28—C29—C30—F14	−71.1 (9)	O1—Eu1—O8—C27	−66.3 (7)

Symmetry codes: (i) −x, −y+1, −z+1; (ii) −x+1, −y+1, −z.

Experimental details

Crystal data
Chemical formula	K[Eu(C₅HF₆O₂)₂(C₁₀H₆F₃O₂)₂]
M_r	1035.47
Crystal system, space group	Triclinic, P1
Temperature (K)	100
a, b, c (Å)	11.737 (2), 12.468 (2), 13.788 (3)
α, β, γ (°)	68.457 (8), 71.791 (8), 71.726 (8)
V (Å³)	1737.1 (5)
Z	2
Radiation type	Mo Kα
µ (mm⁻¹)	2.07
Crystal size (mm)	0.12 × 0.06 × 0.03

Data collection
Diffractometer	Rigaku AFC12 with Saturn 724+ CCD diffractometer
Absorption correction	Multi-scan (ABSCOR; Higashi, 2001)
T_min, T_max	0.789, 0.941
No. of measured, independent and observed [I > 2σ(I)] reflections	25336, 25336, 22905
R_int	0.000
(sin θ/λ)_max (Å⁻¹)	0.595

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.096, 0.197, 3.00
No. of reflections	25336
No. of parameters	527
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	3.65, −3.79

Computer programs: CrystalClear (Rigaku/MSC, 2008), SIR97 (Altomare et al., 1999) within WinGX (Farrugia, 1999), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997) and POV-RAY (Persistence of Vision, 2004).

Selected bond lengths (Å) top

Eu1—O4	2.294 (5)	Eu1—O8	2.394 (5)
Eu1—O6	2.315 (5)	Eu1—O2	2.400 (5)
Eu1—O5	2.367 (4)	Eu1—O7	2.412 (4)
Eu1—O3	2.368 (4)	Eu1—O1	2.413 (5)

Acknowledgements

We gratefully acknowledge the Robert A. Welch Foundation (F-1631), the Petroleum Research Fund administered by the American Chemical Society (47022-G3), the National Science Foundation (CHE-0639239, CHE-0741973 and CHE-0847763), the American Heart Association (0765078Y), the UT-CNM and UT-Austin for financial support of this research. Single crystal X-ray data were collected using instrumentation purchased with funds provided by the National Science Foundation grant No. 0741973.

References

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