Bis[tris­(4-fluoro­phen­yl)phosphine-κP](tropolonato-κ2O,O′)copper(I)

Steyl, G.

doi:10.1107/S1600536809010630

metal-organic compounds

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ISSN: 2056-9890

Volume 65| Part 4| April 2009| Page m448

doi:10.1107/S1600536809010630

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Bis[tris(4-fluorophenyl)phosphine-κP](tropolonato-κ²O,O′)copper(I)

Gideon Steyl ^a ^*

^aDepartment of Chemistry, University of the Free State, Bloemfontein 9300, South Africa
^*Correspondence e-mail: geds12@yahoo.com

(Received 7 January 2009; accepted 23 March 2009; online 28 March 2009)

The title compound, [Cu(C₇H₅O₂)(C₁₈H₁₂F₃P)₂], a copper(I) tris(4-fluorophenyl)phosphine tropolonate derivative, is the first tropolonate complex with fluorinated arylphosphine ligands. The Cu^I atom has a distorted tetrahedral coordination; the most important geometrical parameters of the molecule are: Cu—P = 2.2377 (10) and 2.2335 (15) Å, Cu—O = 2.084 (2) and 2.082 (2) Å, O—Cu—O = 77.72 (10)°, P—Cu—P = 128.82 (4)° and O—C—C—O = −2.1 (5)°.

Related literature

The title compound is structurally related to the flavonolato and nitrosophenylhydroxylaminato derivatives (Speier et al., 1990 ; Charalambous et al., 1984 ). For related diketonato complexes, see: Hill & Steyl (2008 ); Steyl & Roodt (2006 ); Steyl (2007 ); Steyl & Hill (2009 ). For general background, see: Roodt et al. (2003 ); Crous et al. (2005 ). For the discovery of tropolone and its derivatives, see: Dewar (1945 ).

Experimental

Crystal data

[Cu(C₇H₅O₂)(C₁₈H₁₂F₃P)₂]
M_r = 817.14
Triclinic, $[P \overline 1]$
a = 10.570 (6) Å
b = 11.399 (1) Å
c = 15.861 (1) Å
α = 100.548 (6)°
β = 92.663 (5)°
γ = 98.677 (6)°
V = 1851.9 (11) Å³
Z = 2
Mo Kα radiation
μ = 0.74 mm⁻¹
T = 153 K
0.18 × 0.15 × 0.11 mm

Data collection

Bruker APEXII CCD diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 1998 ) T_min = 0.878, T_max = 0.923
13924 measured reflections
7860 independent reflections
3579 reflections with I > 2σ(I)
R_int = 0.049

Refinement

R[F² > 2σ(F²)] = 0.042
wR(F²) = 0.103
S = 0.76
7860 reflections
487 parameters
H-atom parameters constrained
Δρ_max = 0.35 e Å⁻³
Δρ_min = −0.34 e Å⁻³

Data collection: APEX2 (Bruker, 2005 ); cell refinement: SAINT-Plus (Bruker, 2004 ); data reduction: SAINT-Plus; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg & Putz, 2006 ); software used to prepare material for publication: SHELXL97.

Supporting information

Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536809010630/ya2084sup1.cif

Structure factors: contains datablock I. DOI: 10.1107/S1600536809010630/ya2084Isup2.hkl

checkCIF report

Comment top

Tropolone and its derivatives have been of interest ever since their first discovery in the early 1940's (Dewar, 1945); they are known to have applications in pharmacology (Hill & Steyl, 2008) and catalysis (Crous et al., 2005). Recently, reseach in this area has been extended to include phosphine metal complexes and the effect troplonato ligand has on the solid state and chemical behaviour of these complexes (Steyl, 2007; Steyl & Roodt, 2006; Roodt et al., 2003). Only two other examples of copper triphenylphosphine complexes are known to date, which contain a five-membered O,O-bidentate chelating ring system, i.e., the flavonolato and nitrosophenylhydroxylaminato derivatives (Speier et al., 1990; Charalambous et al., 1984). In this paper, the structure of tropolonato-bis[tri(4-fluorophenyl)phosphine]copper(I) complex is reported (Fig. 1).

The Cu—O and Cu—P bond distances are well within normal ranges; the bond angles at the Cu atom show significantly distorted tetrahedral coordination (Table 1). The bidentate bite angle O1—Cu—O2 77.72 (10)° is close to the analogous angles in the previously reported structures (Speier et al., 1990; Charalambous et al., 1984). The phosphine moieties adopt a staggered conformation, the C11—P1—Cu—O1 and C51—P2—Cu—O2 torsion angles being equal to -59.05 (14)° and -49.50 (14)°.

Related literature top

The title compound is structurally related to the flavonolato and nitrosophenylhydroxylaminato derivatives (Speier et al., 1990; Charalambous et al., 1984). For related diketonato complexes, see: Hill & Steyl (2008); Steyl & Roodt (2006); Steyl (2007); Steyl & Hill (2009). For general background, see: Roodt et al. (2003); Crous et al. (2005). For the discovery of tropolone and its derivatives, see: Dewar (1945).

Experimental top

Sodium tropolonate (116 mg, 0.57 mmol) was added to dichloromethane solution (10 ml) of [Cu(P(p-C₆H₄F)₃)₂NO₃] (396 mg, 0.57 mmol). On slow evaporation of the solvent, crystals suitable for X-Ray structural study were obtained. Yield: 300 mg (74%).

Computing details top

Data collection: APEX2 (Bruker, 2005); cell refinement: SAINT-Plus (Bruker, 2004); data reduction: SAINT-Plus (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg & Putz, 2006); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top

Fig. 1. Molecular structure of the title compound, showing the numbering scheme and atomic displacement ellipsoids at the 50% probability level; hydrogen atoms are omitted for clarity.

Bis[tris(4-fluorophenyl)phosphine-κP](tropolonato- κ²O,O')copper(I) top

Crystal data top

[Cu(C₇H₅O₂)(C₁₈H₁₂F₃P)₂]	Z = 2
M_r = 817.14	F(000) = 832
Triclinic, P1	D_x = 1.465 Mg m⁻³
Hall symbol: -P 1	Mo Kα radiation, λ = 0.71073 Å
a = 10.570 (6) Å	Cell parameters from 5934 reflections
b = 11.399 (1) Å	θ = 3.1–22.7°
c = 15.861 (1) Å	µ = 0.74 mm⁻¹
α = 100.548 (6)°	T = 153 K
β = 92.663 (5)°	Cuboid, yellow
γ = 98.677 (6)°	0.18 × 0.15 × 0.11 mm
V = 1851.9 (11) Å³

Data collection top

Bruker APEXII CCD diffractometer	7860 independent reflections
Radiation source: fine-focus sealed tube	3579 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.049
Detector resolution: 512 x 512 pixels mm^-1	θ_max = 27.0°, θ_min = 2.3°
ϕ and ω scans	h = −13→7
Absorption correction: multi-scan (SADABS; Bruker, 1998)	k = −14→14
T_min = 0.878, T_max = 0.923	l = −20→20
13924 measured reflections

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)] = 0.042	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.103	H-atom parameters constrained
S = 0.76	w = 1/[σ²(F_o²) + (0.0456P)²] where P = (F_o² + 2F_c²)/3
7860 reflections	(Δ/σ)_max = 0.001
487 parameters	Δρ_max = 0.35 e Å⁻³
0 restraints	Δρ_min = −0.34 e Å⁻³

Crystal data top

[Cu(C₇H₅O₂)(C₁₈H₁₂F₃P)₂]	γ = 98.677 (6)°
M_r = 817.14	V = 1851.9 (11) Å³
Triclinic, P1	Z = 2
a = 10.570 (6) Å	Mo Kα radiation
b = 11.399 (1) Å	µ = 0.74 mm⁻¹
c = 15.861 (1) Å	T = 153 K
α = 100.548 (6)°	0.18 × 0.15 × 0.11 mm
β = 92.663 (5)°

Data collection top

Bruker APEXII CCD diffractometer	7860 independent reflections
Absorption correction: multi-scan (SADABS; Bruker, 1998)	3579 reflections with I > 2σ(I)
T_min = 0.878, T_max = 0.923	R_int = 0.049
13924 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.042	0 restraints
wR(F²) = 0.103	H-atom parameters constrained
S = 0.76	Δρ_max = 0.35 e Å⁻³
7860 reflections	Δρ_min = −0.34 e Å⁻³
487 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
Cu	0.56504 (4)	0.64636 (4)	0.25757 (3)	0.03356 (14)
P2	0.46439 (8)	0.46425 (8)	0.27118 (6)	0.0303 (2)
P1	0.77346 (8)	0.70617 (8)	0.24545 (6)	0.0307 (2)
F2	0.67563 (19)	0.1787 (2)	0.50523 (14)	0.0597 (6)
F6	0.4430 (2)	0.12081 (19)	−0.06083 (13)	0.0562 (6)
F3	1.0479 (2)	0.8577 (2)	0.59293 (13)	0.0562 (6)
F5	−0.06950 (19)	0.4603 (2)	0.36866 (17)	0.0719 (8)
F1	1.0658 (2)	0.3574 (2)	0.04772 (15)	0.0702 (7)
O1	0.5103 (2)	0.7986 (2)	0.33161 (15)	0.0391 (6)
O2	0.4337 (2)	0.6937 (2)	0.17298 (15)	0.0411 (6)
F4	0.8496 (3)	1.1318 (2)	0.07640 (18)	0.0946 (9)
C41	0.5270 (3)	0.3830 (3)	0.3488 (2)	0.0311 (8)
C21	0.8670 (3)	0.6002 (3)	0.1862 (2)	0.0327 (9)
C44	0.6268 (3)	0.2484 (3)	0.4544 (2)	0.0391 (9)
C36	0.8146 (3)	0.7076 (3)	0.4198 (2)	0.0373 (9)
H36	0.7380	0.6500	0.4106	0.045*
C56	0.2024 (3)	0.3592 (3)	0.2663 (2)	0.0359 (9)
H56	0.2230	0.2899	0.2297	0.043*
C51	0.2972 (3)	0.4595 (3)	0.2953 (2)	0.0291 (8)
C64	0.4464 (3)	0.1996 (4)	0.0155 (2)	0.0409 (10)
C35	0.8778 (3)	0.7413 (3)	0.5012 (2)	0.0425 (10)
H35	0.8450	0.7078	0.5480	0.051*
C34	0.9876 (4)	0.8233 (4)	0.5127 (2)	0.0388 (9)
C26	0.8040 (4)	0.4939 (3)	0.1368 (2)	0.0392 (9)
H26	0.7130	0.4768	0.1352	0.047*
C11	0.8064 (3)	0.8380 (3)	0.1951 (2)	0.0301 (8)
C24	0.9996 (4)	0.4386 (4)	0.0929 (2)	0.0462 (10)
C1	0.4294 (3)	0.8469 (3)	0.2931 (2)	0.0366 (9)
C45	0.5071 (3)	0.2764 (3)	0.4681 (2)	0.0429 (10)
H45	0.4593	0.2502	0.5125	0.051*
C61	0.4559 (3)	0.3533 (3)	0.1713 (2)	0.0303 (8)
C33	1.0383 (3)	0.8743 (3)	0.4477 (2)	0.0386 (9)
H33	1.1156	0.9310	0.4581	0.046*
C32	0.9748 (3)	0.8418 (3)	0.3661 (2)	0.0323 (9)
H32	1.0081	0.8772	0.3203	0.039*
C52	0.2652 (3)	0.5610 (3)	0.3473 (2)	0.0343 (9)
H52	0.3283	0.6311	0.3652	0.041*
C13	0.8696 (3)	0.9298 (4)	0.0745 (3)	0.0496 (11)
H13	0.9018	0.9247	0.0192	0.059*
C16	0.7705 (3)	0.9467 (3)	0.2344 (2)	0.0410 (10)
H16	0.7349	0.9523	0.2886	0.049*
C46	0.4587 (3)	0.3450 (3)	0.4141 (2)	0.0375 (9)
H46	0.3760	0.3665	0.4221	0.045*
C53	0.1411 (3)	0.5606 (3)	0.3732 (2)	0.0427 (10)
H53	0.1192	0.6286	0.4104	0.051*
C65	0.4357 (3)	0.3166 (3)	0.0160 (2)	0.0412 (10)
H65	0.4251	0.3445	−0.0364	0.049*
C54	0.0521 (3)	0.4603 (4)	0.3440 (3)	0.0456 (11)
C62	0.4617 (3)	0.2325 (3)	0.1674 (2)	0.0410 (10)
H62	0.4686	0.2027	0.2193	0.049*
C12	0.8554 (3)	0.8315 (3)	0.1148 (2)	0.0376 (9)
H12	0.8796	0.7579	0.0870	0.045*
C3	0.2929 (3)	0.8243 (4)	0.1507 (3)	0.0510 (11)
H3	0.2786	0.7777	0.0939	0.061*
C25	0.8687 (4)	0.4115 (3)	0.0897 (2)	0.0474 (10)
H25	0.8239	0.3382	0.0559	0.057*
C42	0.6499 (3)	0.3546 (3)	0.3411 (2)	0.0402 (10)
H42	0.7005	0.3835	0.2989	0.048*
C7	0.3872 (4)	0.9522 (3)	0.3371 (3)	0.0502 (11)
H7	0.4301	0.9835	0.3925	0.060*
C15	0.7863 (4)	1.0465 (4)	0.1951 (3)	0.0550 (11)
H15	0.7632	1.1209	0.2222	0.066*
C5	0.2203 (4)	1.0022 (4)	0.2396 (4)	0.0676 (14)
H5	0.1608	1.0566	0.2381	0.081*
C31	0.8621 (3)	0.7572 (3)	0.3513 (2)	0.0298 (8)
C66	0.4405 (3)	0.3943 (3)	0.0940 (2)	0.0366 (9)
H66	0.4333	0.4767	0.0954	0.044*
C22	1.0001 (3)	0.6237 (3)	0.1867 (2)	0.0355 (9)
H22	1.0457	0.6967	0.2204	0.043*
C14	0.8356 (4)	1.0353 (4)	0.1170 (3)	0.0567 (12)
C55	0.0784 (3)	0.3600 (4)	0.2907 (2)	0.0420 (10)
H55	0.0131	0.2923	0.2708	0.050*
C6	0.2949 (4)	1.0184 (4)	0.3146 (3)	0.0626 (13)
H6	0.2821	1.0845	0.3576	0.075*
C43	0.7001 (3)	0.2859 (3)	0.3927 (2)	0.0448 (10)
H43	0.7832	0.2651	0.3857	0.054*
C4	0.2200 (4)	0.9173 (5)	0.1660 (3)	0.0639 (13)
H4	0.1626	0.9225	0.1194	0.077*
C63	0.4579 (3)	0.1534 (3)	0.0893 (3)	0.0455 (10)
H63	0.4630	0.0703	0.0868	0.055*
C23	1.0675 (4)	0.5431 (4)	0.1391 (2)	0.0415 (10)
H23	1.1582	0.5604	0.1387	0.050*
C2	0.3839 (3)	0.7860 (4)	0.2032 (2)	0.0383 (9)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Cu	0.0353 (3)	0.0327 (3)	0.0323 (3)	0.0023 (2)	0.0083 (2)	0.0066 (2)
P2	0.0310 (5)	0.0316 (6)	0.0282 (5)	0.0027 (4)	0.0064 (4)	0.0066 (4)
P1	0.0349 (5)	0.0286 (6)	0.0290 (6)	0.0035 (4)	0.0091 (4)	0.0064 (4)
F2	0.0583 (14)	0.0789 (18)	0.0545 (15)	0.0237 (13)	0.0077 (12)	0.0347 (13)
F6	0.0701 (15)	0.0490 (15)	0.0420 (14)	0.0062 (12)	0.0095 (11)	−0.0088 (11)
F3	0.0638 (14)	0.0660 (16)	0.0371 (14)	0.0194 (12)	−0.0073 (11)	0.0010 (11)
F5	0.0332 (12)	0.0780 (19)	0.112 (2)	0.0122 (12)	0.0300 (13)	0.0290 (15)
F1	0.0968 (18)	0.0608 (17)	0.0609 (17)	0.0418 (15)	0.0314 (14)	0.0017 (13)
O1	0.0443 (15)	0.0395 (16)	0.0322 (15)	0.0081 (13)	0.0057 (12)	0.0018 (12)
O2	0.0529 (16)	0.0390 (16)	0.0324 (15)	0.0106 (13)	0.0041 (12)	0.0069 (12)
F4	0.143 (2)	0.0567 (18)	0.100 (2)	0.0193 (17)	0.0288 (19)	0.0494 (16)
C41	0.032 (2)	0.030 (2)	0.029 (2)	−0.0021 (16)	0.0061 (16)	0.0062 (16)
C21	0.039 (2)	0.031 (2)	0.030 (2)	0.0076 (18)	0.0099 (17)	0.0068 (17)
C44	0.041 (2)	0.044 (2)	0.034 (2)	0.0072 (19)	−0.0041 (19)	0.0148 (19)
C36	0.035 (2)	0.046 (3)	0.033 (2)	0.0048 (18)	0.0100 (18)	0.0094 (19)
C56	0.044 (2)	0.032 (2)	0.031 (2)	0.0059 (19)	0.0044 (18)	0.0056 (17)
C51	0.0278 (19)	0.035 (2)	0.029 (2)	0.0097 (17)	0.0056 (16)	0.0141 (17)
C64	0.042 (2)	0.044 (3)	0.032 (2)	0.004 (2)	0.0090 (18)	−0.005 (2)
C35	0.049 (2)	0.055 (3)	0.026 (2)	0.012 (2)	0.0094 (19)	0.0115 (19)
C34	0.042 (2)	0.048 (3)	0.026 (2)	0.017 (2)	−0.0014 (19)	−0.0015 (19)
C26	0.049 (2)	0.032 (2)	0.035 (2)	0.0017 (19)	0.0091 (19)	0.0065 (19)
C11	0.0290 (19)	0.028 (2)	0.032 (2)	0.0018 (16)	0.0037 (16)	0.0041 (17)
C24	0.073 (3)	0.039 (3)	0.034 (2)	0.026 (2)	0.022 (2)	0.008 (2)
C1	0.036 (2)	0.032 (2)	0.042 (3)	−0.0027 (18)	0.0118 (19)	0.0105 (19)
C45	0.043 (2)	0.060 (3)	0.030 (2)	0.011 (2)	0.0101 (18)	0.016 (2)
C61	0.0265 (18)	0.033 (2)	0.032 (2)	0.0024 (16)	0.0070 (16)	0.0078 (17)
C33	0.036 (2)	0.037 (2)	0.039 (3)	0.0058 (18)	0.0025 (19)	−0.0015 (19)
C32	0.038 (2)	0.030 (2)	0.030 (2)	0.0097 (18)	0.0093 (17)	0.0033 (17)
C52	0.029 (2)	0.036 (2)	0.039 (2)	0.0004 (17)	0.0070 (17)	0.0133 (18)
C13	0.060 (3)	0.051 (3)	0.047 (3)	0.010 (2)	0.016 (2)	0.026 (2)
C16	0.052 (2)	0.037 (3)	0.032 (2)	0.0044 (19)	0.0081 (18)	0.0023 (19)
C46	0.031 (2)	0.052 (3)	0.030 (2)	0.0082 (19)	0.0069 (17)	0.0060 (19)
C53	0.040 (2)	0.041 (3)	0.050 (3)	0.010 (2)	0.014 (2)	0.011 (2)
C65	0.059 (3)	0.033 (2)	0.030 (2)	0.003 (2)	0.0049 (19)	0.0053 (19)
C54	0.026 (2)	0.057 (3)	0.062 (3)	0.005 (2)	0.013 (2)	0.031 (2)
C62	0.058 (3)	0.031 (2)	0.038 (2)	0.012 (2)	0.0065 (19)	0.0129 (19)
C12	0.043 (2)	0.033 (2)	0.040 (2)	0.0082 (18)	0.0108 (18)	0.0107 (18)
C3	0.045 (2)	0.055 (3)	0.056 (3)	−0.001 (2)	−0.002 (2)	0.025 (2)
C25	0.074 (3)	0.022 (2)	0.043 (3)	0.009 (2)	0.010 (2)	−0.0016 (18)
C42	0.031 (2)	0.055 (3)	0.040 (2)	0.0080 (19)	0.0123 (18)	0.020 (2)
C7	0.057 (3)	0.037 (3)	0.055 (3)	0.005 (2)	0.018 (2)	0.005 (2)
C15	0.080 (3)	0.031 (3)	0.056 (3)	0.012 (2)	0.004 (3)	0.011 (2)
C5	0.051 (3)	0.051 (3)	0.116 (5)	0.016 (3)	0.033 (3)	0.043 (3)
C31	0.032 (2)	0.029 (2)	0.029 (2)	0.0068 (17)	0.0075 (16)	0.0047 (16)
C66	0.046 (2)	0.028 (2)	0.036 (2)	0.0039 (17)	0.0038 (18)	0.0086 (18)
C22	0.041 (2)	0.031 (2)	0.033 (2)	0.0043 (18)	0.0065 (18)	0.0028 (17)
C14	0.073 (3)	0.033 (3)	0.071 (3)	0.004 (2)	0.008 (3)	0.032 (2)
C55	0.031 (2)	0.045 (3)	0.049 (3)	−0.0023 (19)	−0.0003 (19)	0.014 (2)
C6	0.064 (3)	0.040 (3)	0.090 (4)	0.016 (2)	0.029 (3)	0.014 (3)
C43	0.033 (2)	0.058 (3)	0.051 (3)	0.015 (2)	0.011 (2)	0.023 (2)
C4	0.039 (3)	0.070 (4)	0.095 (4)	0.006 (3)	0.006 (3)	0.049 (3)
C63	0.061 (3)	0.028 (2)	0.046 (3)	0.005 (2)	0.008 (2)	0.003 (2)
C23	0.045 (2)	0.050 (3)	0.035 (2)	0.019 (2)	0.0181 (19)	0.012 (2)
C2	0.031 (2)	0.044 (3)	0.042 (3)	0.0002 (19)	0.0076 (18)	0.016 (2)

Geometric parameters (Å, º) top

Cu—O1	2.084 (2)	C45—H45	0.9500
Cu—O2	2.082 (2)	C61—C62	1.378 (4)
Cu—P1	2.2335 (15)	C61—C66	1.402 (4)
Cu—P2	2.2377 (10)	C33—C32	1.390 (4)
P2—C51	1.820 (3)	C33—H33	0.9500
P2—C61	1.826 (3)	C32—C31	1.396 (4)
P2—C41	1.827 (3)	C32—H32	0.9500
P1—C11	1.824 (3)	C52—C53	1.393 (4)
P1—C21	1.831 (3)	C52—H52	0.9500
P1—C31	1.835 (3)	C13—C14	1.373 (5)
F2—C44	1.366 (4)	C13—C12	1.381 (5)
F6—C64	1.364 (4)	C13—H13	0.9500
F3—C34	1.359 (4)	C16—C15	1.386 (5)
F5—C54	1.361 (4)	C16—H16	0.9500
F1—C24	1.364 (4)	C46—H46	0.9500
O1—C1	1.275 (4)	C53—C54	1.359 (5)
O2—C2	1.273 (4)	C53—H53	0.9500
F4—C14	1.366 (4)	C65—C66	1.378 (5)
C41—C46	1.386 (4)	C65—H65	0.9500
C41—C42	1.391 (4)	C54—C55	1.365 (5)
C21—C26	1.372 (5)	C62—C63	1.388 (5)
C21—C22	1.391 (4)	C62—H62	0.9500
C44—C43	1.366 (5)	C12—H12	0.9500
C44—C45	1.368 (5)	C3—C4	1.395 (6)
C36—C35	1.386 (5)	C3—C2	1.412 (5)
C36—C31	1.394 (4)	C3—H3	0.9500
C36—H36	0.9500	C25—H25	0.9500
C56—C55	1.385 (5)	C42—C43	1.373 (5)
C56—C51	1.393 (4)	C42—H42	0.9500
C56—H56	0.9500	C7—C6	1.392 (5)
C51—C52	1.389 (4)	C7—H7	0.9500
C64—C65	1.354 (5)	C15—C14	1.358 (5)
C64—C63	1.376 (5)	C15—H15	0.9500
C35—C34	1.359 (5)	C5—C6	1.364 (6)
C35—H35	0.9500	C5—C4	1.373 (6)
C34—C33	1.365 (5)	C5—H5	0.9500
C26—C25	1.376 (5)	C66—H66	0.9500
C26—H26	0.9500	C22—C23	1.384 (4)
C11—C12	1.391 (4)	C22—H22	0.9500
C11—C16	1.396 (5)	C55—H55	0.9500
C24—C23	1.359 (5)	C6—H6	0.9500
C24—C25	1.367 (5)	C43—H43	0.9500
C1—C7	1.418 (5)	C4—H4	0.9500
C1—C2	1.490 (5)	C63—H63	0.9500
C45—C46	1.391 (5)	C23—H23	0.9500

O2—Cu—O1	77.72 (10)	C14—C13—H13	121.1
O2—Cu—P1	117.65 (7)	C12—C13—H13	121.1
O1—Cu—P1	102.97 (7)	C15—C16—C11	120.7 (4)
O2—Cu—P2	100.68 (7)	C15—C16—H16	119.7
O1—Cu—P2	118.07 (7)	C11—C16—H16	119.7
P1—Cu—P2	128.82 (4)	C41—C46—C45	122.2 (3)
C51—P2—C61	103.42 (15)	C41—C46—H46	118.9
C51—P2—C41	102.55 (15)	C45—C46—H46	118.9
C61—P2—C41	101.30 (16)	C54—C53—C52	118.3 (3)
C51—P2—Cu	114.64 (12)	C54—C53—H53	120.8
C61—P2—Cu	111.83 (11)	C52—C53—H53	120.8
C41—P2—Cu	120.92 (11)	C64—C65—C66	118.6 (3)
C11—P1—C21	102.93 (16)	C64—C65—H65	120.7
C11—P1—C31	103.02 (15)	C66—C65—H65	120.7
C21—P1—C31	104.40 (15)	C53—C54—F5	118.3 (4)
C11—P1—Cu	113.85 (11)	C53—C54—C55	123.3 (3)
C21—P1—Cu	119.52 (12)	F5—C54—C55	118.4 (4)
C31—P1—Cu	111.40 (11)	C61—C62—C63	121.4 (3)
C1—O1—Cu	114.7 (2)	C61—C62—H62	119.3
C2—O2—Cu	115.2 (2)	C63—C62—H62	119.3
C46—C41—C42	117.5 (3)	C13—C12—C11	121.4 (3)
C46—C41—P2	124.2 (3)	C13—C12—H12	119.3
C42—C41—P2	118.3 (3)	C11—C12—H12	119.3
C26—C21—C22	117.9 (3)	C4—C3—C2	132.4 (4)
C26—C21—P1	119.2 (3)	C4—C3—H3	113.8
C22—C21—P1	122.9 (3)	C2—C3—H3	113.8
C43—C44—F2	118.1 (3)	C24—C25—C26	117.9 (4)
C43—C44—C45	123.7 (3)	C24—C25—H25	121.1
F2—C44—C45	118.1 (3)	C26—C25—H25	121.1
C35—C36—C31	120.8 (3)	C43—C42—C41	121.8 (3)
C35—C36—H36	119.6	C43—C42—H42	119.1
C31—C36—H36	119.6	C41—C42—H42	119.1
C55—C56—C51	120.2 (3)	C6—C7—C1	132.2 (4)
C55—C56—H56	119.9	C6—C7—H7	113.9
C51—C56—H56	119.9	C1—C7—H7	113.9
C52—C51—C56	119.2 (3)	C14—C15—C16	118.4 (4)
C52—C51—P2	117.3 (3)	C14—C15—H15	120.8
C56—C51—P2	123.5 (3)	C16—C15—H15	120.8
C65—C64—F6	119.8 (3)	C6—C5—C4	128.3 (4)
C65—C64—C63	123.2 (3)	C6—C5—H5	115.8
F6—C64—C63	116.9 (3)	C4—C5—H5	115.8
C34—C35—C36	118.5 (3)	C36—C31—C32	118.8 (3)
C34—C35—H35	120.8	C36—C31—P1	118.0 (3)
C36—C35—H35	120.8	C32—C31—P1	123.3 (3)
C35—C34—F3	118.3 (3)	C65—C66—C61	120.8 (3)
C35—C34—C33	123.0 (3)	C65—C66—H66	119.6
F3—C34—C33	118.8 (3)	C61—C66—H66	119.6
C21—C26—C25	121.9 (4)	C23—C22—C21	121.4 (3)
C21—C26—H26	119.0	C23—C22—H22	119.3
C25—C26—H26	119.0	C21—C22—H22	119.3
C12—C11—C16	118.4 (3)	C15—C14—F4	119.4 (4)
C12—C11—P1	122.3 (3)	C15—C14—C13	123.4 (4)
C16—C11—P1	119.1 (3)	F4—C14—C13	117.2 (4)
C23—C24—F1	118.0 (4)	C54—C55—C56	118.6 (3)
C23—C24—C25	123.1 (4)	C54—C55—H55	120.7
F1—C24—C25	118.9 (4)	C56—C55—H55	120.7
O1—C1—C7	119.4 (4)	C5—C6—C7	129.3 (4)
O1—C1—C2	116.5 (3)	C5—C6—H6	115.3
C7—C1—C2	124.2 (4)	C7—C6—H6	115.3
C44—C45—C46	116.8 (3)	C44—C43—C42	117.9 (3)
C44—C45—H45	121.6	C44—C43—H43	121.0
C46—C45—H45	121.6	C42—C43—H43	121.0
C62—C61—C66	118.3 (3)	C5—C4—C3	128.5 (4)
C62—C61—P2	124.3 (3)	C5—C4—H4	115.7
C66—C61—P2	117.3 (3)	C3—C4—H4	115.7
C34—C33—C32	118.9 (3)	C64—C63—C62	117.6 (4)
C34—C33—H33	120.6	C64—C63—H63	121.2
C32—C33—H33	120.6	C62—C63—H63	121.2
C33—C32—C31	120.1 (3)	C24—C23—C22	117.8 (3)
C33—C32—H32	120.0	C24—C23—H23	121.1
C31—C32—H32	120.0	C22—C23—H23	121.1
C51—C52—C53	120.3 (3)	O2—C2—C3	119.2 (4)
C51—C52—H52	119.8	O2—C2—C1	115.9 (3)
C53—C52—H52	119.8	C3—C2—C1	124.9 (4)
C14—C13—C12	117.8 (4)

O2—Cu—P2—C51	−49.50 (14)	C56—C51—C52—C53	2.8 (5)
O1—Cu—P2—C51	32.18 (15)	P2—C51—C52—C53	−175.6 (3)
P1—Cu—P2—C51	171.23 (12)	C12—C11—C16—C15	−1.5 (5)
O2—Cu—P2—C61	67.82 (13)	P1—C11—C16—C15	−175.7 (3)
O1—Cu—P2—C61	149.49 (14)	C42—C41—C46—C45	−2.7 (5)
P1—Cu—P2—C61	−71.45 (12)	P2—C41—C46—C45	175.6 (3)
O2—Cu—P2—C41	−173.11 (14)	C44—C45—C46—C41	0.4 (5)
O1—Cu—P2—C41	−91.43 (16)	C51—C52—C53—C54	−2.2 (5)
P1—Cu—P2—C41	47.62 (14)	F6—C64—C65—C66	−179.5 (3)
O2—Cu—P1—C11	23.73 (15)	C63—C64—C65—C66	2.1 (6)
O1—Cu—P1—C11	−59.05 (14)	C52—C53—C54—F5	−179.4 (3)
P2—Cu—P1—C11	157.35 (12)	C52—C53—C54—C55	0.2 (6)
O2—Cu—P1—C21	−98.37 (15)	C66—C61—C62—C63	2.6 (5)
O1—Cu—P1—C21	178.85 (14)	P2—C61—C62—C63	−178.4 (3)
P2—Cu—P1—C21	35.25 (15)	C14—C13—C12—C11	1.0 (6)
O2—Cu—P1—C31	139.70 (14)	C16—C11—C12—C13	0.5 (5)
O1—Cu—P1—C31	56.92 (14)	P1—C11—C12—C13	174.5 (3)
P2—Cu—P1—C31	−86.68 (12)	C23—C24—C25—C26	−1.2 (6)
O2—Cu—O1—C1	−0.8 (2)	F1—C24—C25—C26	179.0 (3)
P1—Cu—O1—C1	115.1 (2)	C21—C26—C25—C24	−0.2 (6)
P2—Cu—O1—C1	−96.5 (2)	C46—C41—C42—C43	3.5 (5)
O1—Cu—O2—C2	−0.3 (2)	P2—C41—C42—C43	−175.0 (3)
P1—Cu—O2—C2	−98.7 (2)	O1—C1—C7—C6	−174.7 (4)
P2—Cu—O2—C2	116.4 (2)	C2—C1—C7—C6	4.5 (6)
C51—P2—C41—C46	−7.0 (3)	C11—C16—C15—C14	1.0 (6)
C61—P2—C41—C46	−113.7 (3)	C35—C36—C31—C32	0.0 (5)
Cu—P2—C41—C46	122.1 (3)	C35—C36—C31—P1	179.3 (3)
C51—P2—C41—C42	171.3 (3)	C33—C32—C31—C36	0.6 (5)
C61—P2—C41—C42	64.6 (3)	C33—C32—C31—P1	−178.6 (2)
Cu—P2—C41—C42	−59.5 (3)	C11—P1—C31—C36	150.2 (3)
C11—P1—C21—C26	−115.4 (3)	C21—P1—C31—C36	−102.5 (3)
C31—P1—C21—C26	137.3 (3)	Cu—P1—C31—C36	27.8 (3)
Cu—P1—C21—C26	12.0 (3)	C11—P1—C31—C32	−30.5 (3)
C11—P1—C21—C22	62.7 (3)	C21—P1—C31—C32	76.8 (3)
C31—P1—C21—C22	−44.6 (3)	Cu—P1—C31—C32	−152.9 (2)
Cu—P1—C21—C22	−169.9 (2)	C64—C65—C66—C61	−0.1 (5)
C55—C56—C51—C52	−1.4 (5)	C62—C61—C66—C65	−2.1 (5)
C55—C56—C51—P2	176.9 (3)	P2—C61—C66—C65	178.8 (3)
C61—P2—C51—C52	−156.6 (3)	C26—C21—C22—C23	0.0 (5)
C41—P2—C51—C52	98.3 (3)	P1—C21—C22—C23	−178.1 (3)
Cu—P2—C51—C52	−34.6 (3)	C16—C15—C14—F4	178.7 (4)
C61—P2—C51—C56	25.0 (3)	C16—C15—C14—C13	0.6 (7)
C41—P2—C51—C56	−80.0 (3)	C12—C13—C14—C15	−1.6 (6)
Cu—P2—C51—C56	147.0 (2)	C12—C13—C14—F4	−179.7 (3)
C31—C36—C35—C34	−0.4 (5)	C53—C54—C55—C56	1.2 (6)
C36—C35—C34—F3	178.8 (3)	F5—C54—C55—C56	−179.2 (3)
C36—C35—C34—C33	0.3 (6)	C51—C56—C55—C54	−0.6 (5)
C22—C21—C26—C25	0.7 (5)	C4—C5—C6—C7	−1.9 (8)
P1—C21—C26—C25	178.9 (3)	C1—C7—C6—C5	−3.0 (7)
C21—P1—C11—C12	18.1 (3)	F2—C44—C43—C42	179.2 (3)
C31—P1—C11—C12	126.5 (3)	C45—C44—C43—C42	−0.7 (6)
Cu—P1—C11—C12	−112.7 (3)	C41—C42—C43—C44	−1.8 (6)
C21—P1—C11—C16	−167.9 (3)	C6—C5—C4—C3	2.3 (8)
C31—P1—C11—C16	−59.5 (3)	C2—C3—C4—C5	1.9 (7)
Cu—P1—C11—C16	61.3 (3)	C65—C64—C63—C62	−1.6 (6)
Cu—O1—C1—C7	−179.0 (2)	F6—C64—C63—C62	179.9 (3)
Cu—O1—C1—C2	1.7 (4)	C61—C62—C63—C64	−0.8 (5)
C43—C44—C45—C46	1.3 (6)	F1—C24—C23—C22	−178.3 (3)
F2—C44—C45—C46	−178.5 (3)	C25—C24—C23—C22	1.9 (6)
C51—P2—C61—C62	−90.2 (3)	C21—C22—C23—C24	−1.3 (5)
C41—P2—C61—C62	15.8 (3)	Cu—O2—C2—C3	−179.5 (2)
Cu—P2—C61—C62	145.9 (3)	Cu—O2—C2—C1	1.3 (4)
C51—P2—C61—C66	88.9 (3)	C4—C3—C2—O2	177.4 (4)
C41—P2—C61—C66	−165.1 (2)	C4—C3—C2—C1	−3.4 (6)
Cu—P2—C61—C66	−35.0 (3)	O1—C1—C2—O2	−2.1 (5)
C35—C34—C33—C32	0.3 (5)	C7—C1—C2—O2	178.7 (3)
F3—C34—C33—C32	−178.2 (3)	O1—C1—C2—C3	178.7 (3)
C34—C33—C32—C31	−0.8 (5)	C7—C1—C2—C3	−0.5 (6)

Experimental details

Crystal data
Chemical formula	[Cu(C₇H₅O₂)(C₁₈H₁₂F₃P)₂]
M_r	817.14
Crystal system, space group	Triclinic, P1
Temperature (K)	153
a, b, c (Å)	10.570 (6), 11.399 (1), 15.861 (1)
α, β, γ (°)	100.548 (6), 92.663 (5), 98.677 (6)
V (Å³)	1851.9 (11)
Z	2
Radiation type	Mo Kα
µ (mm⁻¹)	0.74
Crystal size (mm)	0.18 × 0.15 × 0.11

Data collection
Diffractometer	Bruker APEXII CCD diffractometer
Absorption correction	Multi-scan (SADABS; Bruker, 1998)
T_min, T_max	0.878, 0.923
No. of measured, independent and observed [I > 2σ(I)] reflections	13924, 7860, 3579
R_int	0.049
(sin θ/λ)_max (Å⁻¹)	0.639

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.042, 0.103, 0.76
No. of reflections	7860
No. of parameters	487
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	0.35, −0.34

Computer programs: APEX2 (Bruker, 2005), SAINT-Plus (Bruker, 2004), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), DIAMOND (Brandenburg & Putz, 2006).

Selected geometric parameters (Å, º) top

Cu—O1	2.084 (2)	Cu—P1	2.2335 (15)
Cu—O2	2.082 (2)	Cu—P2	2.2377 (10)

O2—Cu—O1	77.72 (10)	O2—Cu—P2	100.68 (7)
O2—Cu—P1	117.65 (7)	O1—Cu—P2	118.07 (7)
O1—Cu—P1	102.97 (7)	P1—Cu—P2	128.82 (4)

O2—Cu—P2—C51	−49.50 (14)	O1—Cu—P1—C11	−59.05 (14)
O1—Cu—P2—C51	32.18 (15)	P2—Cu—P1—C11	157.35 (12)
P1—Cu—P2—C51	171.23 (12)	O2—Cu—P1—C21	−98.37 (15)
O2—Cu—P2—C61	67.82 (13)	O1—Cu—P1—C21	178.85 (14)
O1—Cu—P2—C61	149.49 (14)	P2—Cu—P1—C21	35.25 (15)
P1—Cu—P2—C61	−71.45 (12)	O2—Cu—P1—C31	139.70 (14)
O2—Cu—P2—C41	−173.11 (14)	O1—Cu—P1—C31	56.92 (14)
O1—Cu—P2—C41	−91.43 (16)	P2—Cu—P1—C31	−86.68 (12)
P1—Cu—P2—C41	47.62 (14)	O1—C1—C2—O2	−2.1 (5)
O2—Cu—P1—C11	23.73 (15)

Acknowledgements

Financial assistance from the University of the Free State and Professor A. Roodt is gratefully acknowledged. Mr L. Kirsten is acknowledged for the data collection. Part of this material is based on work supported by the South African National Research Foundation (NRF) under grant number GUN 2068915. Opinions, findings, conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the NRF.

References

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