cis-Dichloridobis(diethyl­phenyl­phosphine-κP)platinum(II)

Domańska-Babul, W.; Pikies, J.; Chojnacki, J.

doi:10.1107/S1600536807045540

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cis-Dichloridobis(diethylphenylphosphine-κP)platinum(II)

W. Domańska-Babul, J. Pikies and J. Chojnacki

In the title compound, [PtCl₂(C₁₀H₁₅P)₂], the Pt atom adopts a slightly distorted square-planar geometry. The phenyl rings form dihedral angles of 82.21 (11) and 79.98 (11)° with the PtCl₂P₂ mean plane. The crystal structure is stabilized by weak intra- and intermolecular C—H

Cl hydrogen bonds.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536807045540/rz2163sup1.cif Contains datablocks global, I
	Structure factor file (CIF format) https://doi.org/10.1107/S1600536807045540/rz2163Isup2.hkl Contains datablock I

CCDC reference: 663634

checkCIF report

Key indicators

Single-crystal X-ray study
T = 120 K
Mean (C-C) = 0.007 Å
R factor = 0.025
wR factor = 0.089
Data-to-parameter ratio = 18.7

checkCIF/PLATON results

No syntax errors found



Alert level C
PLAT153_ALERT_1_C The su's on the Cell Axes   are Equal (x 100000)         50 Ang.

Alert level G
ABSTM02_ALERT_3_G  The ratio of expected to reported Tmax/Tmin(RR) is > 1.10
            Tmin and Tmax reported:      0.278     0.398
            Tmin and Tmax expected:      0.414     0.667
            RR =      1.126
            Please check that your absorption correction is appropriate.

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   1 ALERT level C = Check and explain
   1 ALERT level G = General alerts; check

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

Comment top

We have a standing interest in the reactivity of [(R₃P)₂PtCl₂] compounds towards diphosphanes (Domanska-Babul, Chojnacki, Matern & Pikies, 2007). The title compound, [(Et₂PhP)₂PtCl₂], was obtained according to the published procedure (Matern et al., 2000) and recovered from the reaction mixture during the studies.

An ORTEP plot of the title compound is shown in Fig. 1. The geometry of the Pt atom is slightly distorted square planar with the metal displaced by only 0.0007 (2) Å from the PtCl₂P₂ mean plane. The Cl and P atoms display a substantial tetrahedral distortion, being displaced by 0.1647 (13), -0.1394 (13), -0.1349 (13) and 0.1267 (12) Å for Cl1, Cl2, P1 and P2 respectively. For comparison, the displacements found for the same atoms in the related complex [(EtPh₂P)₂PtCl₂] (Domanska-Babul, Chojnacki & Pikies 2007) are -0.0238 (5), -0.0008 (5), -0.0251 (5) and -0.0060 (5) Å respectively. Even more significant departures from planarity are observed in the case of sterically demanding phosphanes ligands, viz. in [cis-(^tBu₂PhP)₂PtCl₂] (Porzio et al., 1980). The bond angle P1–Pt–P2 of 94.43 (4)° indicates steric repulsion of the PhEt₂P groups smaller than those observed for the EtPh₂P groups in [(EtPh₂P)₂PtCl₂] (100.23 °) and for the MePh₂P groups in [(MePh₂P)₂PtCl₂] (98.11 °; Ho et al., 1982). The average Pt–P and Pt–Cl distances of 2.253 (13) Å and 2.356 (12) Å respectively are typical for [cis-(R₃P)₂PtCl₂] complexes. The dihedral angles formed by the C1—C6 and C11—C16 phenyl rings with the PtCl₂P₂ mean plane are 82.21 (11) and 79.98 (11) ° respectively. The crystal structure is reinforced by weak intra- and intermolecular C—H···Cl hydrogen interactions (Table 1).

Related literature top

For the structure of the related cis-dichloridobis(ethyldiphenylphosphine-κP)platinum(II) compound, see: Domanska-Babul, Chojnacki & Pikies (2007). For related literature, see: Chojnacki et al. (2007); Domanska-Babul, Chojnacki, Matern & Pikies (2007); Ho et al. (1982); Matern et al. (2000); Porzio et al. (1980).

Experimental top

The title compound compound [cis-{C₆H₅(C₂H₅)₂P}₂PtCl₂] has been obtained as yellow powder in the reaction of a solution of phenyl(diethyl)phosphane in ethanol with a solution of potassium tetrachloroplatinate(II) in water (Matern et al., 2000). Slow crystallization from THF at ambient temperature yielded crystals suitable for X-ray analysis.

Structure description top

Computing details top

Data collection: CrysAlis CCD (Oxford Diffraction, 2006); cell refinement: CrysAlis RED (Oxford Diffraction, 2006); data reduction: CrysAlis RED (Oxford Diffraction, 2006); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999) and PLATON (Spek, 2003).

Figures top

Fig. 1. View of the title compound (50% probability displacement ellipsoids). H atoms are omitted for clarity.

cis-Dichloridobis(diethylphenylphosphine-κP)platinum(II) top

Crystal data top

[PtCl₂(C₁₀H₁₅P)₂]	F(000) = 1168
M_r = 598.37	D_x = 1.811 Mg m⁻³
Monoclinic, P2₁/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 12825 reflections
a = 14.8957 (5) Å	θ = 2.3–32.4°
b = 9.0402 (5) Å	µ = 6.79 mm⁻¹
c = 16.3565 (5) Å	T = 120 K
β = 94.865 (3)°	Prism, colourless
V = 2194.63 (16) Å³	0.16 × 0.11 × 0.06 mm
Z = 4

Data collection top

Oxford Diffraction KM-4 CCD diffractometer	4145 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.013
0.75° ω scans	θ_max = 26°, θ_min = 2.5°
Absorption correction: analytical [CrysAlis RED; Oxford Diffraction (2006), Clark & Reid (1995)]	h = −17→18
T_min = 0.278, T_max = 0.398	k = −11→8
9492 measured reflections	l = −20→19
4301 independent reflections

Refinement top

Refinement on F²	0 restraints
Least-squares matrix: full	H-atom parameters constrained
R[F² > 2σ(F²)] = 0.025	w = 1/[σ²(F_o²) + (0.0454P)² + 6.1376P] where P = (F_o² + 2F_c²)/3
wR(F²) = 0.089	(Δ/σ)_max = 0.003
S = 1.36	Δρ_max = 1.33 e Å⁻³
4301 reflections	Δρ_min = −1.25 e Å⁻³
230 parameters

Crystal data top

[PtCl₂(C₁₀H₁₅P)₂]	V = 2194.63 (16) Å³
M_r = 598.37	Z = 4
Monoclinic, P2₁/c	Mo Kα radiation
a = 14.8957 (5) Å	µ = 6.79 mm⁻¹
b = 9.0402 (5) Å	T = 120 K
c = 16.3565 (5) Å	0.16 × 0.11 × 0.06 mm
β = 94.865 (3)°

Data collection top

Oxford Diffraction KM-4 CCD diffractometer	4301 independent reflections
Absorption correction: analytical [CrysAlis RED; Oxford Diffraction (2006), Clark & Reid (1995)]	4145 reflections with I > 2σ(I)
T_min = 0.278, T_max = 0.398	R_int = 0.013
9492 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.025	0 restraints
wR(F²) = 0.089	H-atom parameters constrained
S = 1.36	Δρ_max = 1.33 e Å⁻³
4301 reflections	Δρ_min = −1.25 e Å⁻³
230 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.

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

	x	y	z	U_iso*/U_eq
Pt1	0.251723 (11)	0.969895 (18)	0.300696 (10)	0.01372 (9)
Cl1	0.23065 (9)	0.71248 (14)	0.29244 (8)	0.0258 (3)
Cl2	0.27795 (9)	0.93276 (16)	0.44366 (7)	0.0252 (3)
P1	0.20696 (9)	0.99057 (15)	0.16603 (8)	0.0161 (2)
P2	0.29263 (8)	1.20887 (13)	0.31503 (7)	0.0142 (2)
C1	0.1381 (3)	1.1543 (6)	0.1407 (3)	0.0172 (9)
C2	0.1664 (3)	1.2704 (6)	0.0932 (3)	0.0211 (10)
H2	0.2229	1.264	0.0706	0.025*
C3	0.1137 (4)	1.3946 (6)	0.0786 (3)	0.0255 (11)
H3	0.1344	1.4734	0.0467	0.031*
C4	0.0304 (4)	1.4047 (7)	0.1106 (3)	0.0283 (12)
H4	−0.0058	1.4903	0.1007	0.034*
C5	0.0006 (3)	1.2896 (7)	0.1570 (3)	0.0277 (12)
H5	−0.0568	1.2955	0.1781	0.033*
C6	0.0542 (3)	1.1656 (6)	0.1728 (3)	0.0216 (10)
H6	0.0338	1.0878	0.2056	0.026*
C7	0.1319 (3)	0.8410 (6)	0.1277 (3)	0.0246 (11)
H7A	0.1636	0.7455	0.1371	0.032*
H7B	0.0784	0.8399	0.1597	0.032*
C8	0.1001 (4)	0.8539 (7)	0.0362 (3)	0.0300 (12)
H8A	0.0785	0.9547	0.0243	0.045*
H8B	0.0511	0.7835	0.0227	0.045*
H8C	0.1505	0.8318	0.0033	0.045*
C9	0.2961 (4)	0.9903 (6)	0.0959 (3)	0.0201 (10)
H9A	0.269	0.9986	0.0387	0.026*
H9B	0.3357	1.0771	0.1074	0.026*
C10	0.3520 (4)	0.8496 (7)	0.1050 (4)	0.0295 (12)
H10A	0.3808	0.8432	0.161	0.044*
H10B	0.3984	0.8514	0.0659	0.044*
H10C	0.3128	0.7636	0.0938	0.044*
C11	0.3676 (3)	1.2696 (5)	0.2393 (3)	0.0152 (9)
C12	0.3512 (3)	1.3932 (6)	0.1890 (3)	0.0187 (9)
H12	0.2988	1.4515	0.1938	0.022*
C13	0.4116 (4)	1.4313 (6)	0.1317 (3)	0.0235 (10)
H13	0.3987	1.5126	0.0959	0.028*
C14	0.4902 (3)	1.3512 (6)	0.1268 (3)	0.0250 (11)
H14	0.5311	1.3776	0.0878	0.03*
C15	0.5094 (3)	1.2316 (6)	0.1794 (3)	0.0233 (10)
H15	0.5646	1.1795	0.1779	0.028*
C16	0.4478 (3)	1.1887 (6)	0.2339 (3)	0.0205 (10)
H16	0.4597	1.1044	0.2677	0.025*
C17	0.2020 (3)	1.3438 (5)	0.3135 (3)	0.0175 (9)
H17A	0.2277	1.4422	0.3282	0.023*
H17B	0.1721	1.3503	0.2572	0.023*
C18	0.1314 (4)	1.3038 (7)	0.3732 (3)	0.0274 (12)
H18A	0.1015	1.2111	0.3557	0.041*
H18B	0.0866	1.3831	0.3734	0.041*
H18C	0.1612	1.2917	0.4286	0.041*
C19	0.3615 (3)	1.2459 (6)	0.4116 (3)	0.0194 (10)
H19A	0.324	1.2295	0.4579	0.025*
H19B	0.4117	1.1739	0.4171	0.025*
C20	0.4005 (4)	1.4016 (6)	0.4183 (3)	0.0251 (11)
H20A	0.4417	1.4165	0.3753	0.038*
H20B	0.4335	1.4144	0.4723	0.038*
H20C	0.3515	1.4741	0.4116	0.038*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Pt1	0.01339 (12)	0.01029 (13)	0.01751 (13)	0.00008 (6)	0.00151 (8)	0.00160 (6)
Cl1	0.0306 (6)	0.0100 (5)	0.0368 (7)	−0.0006 (5)	0.0024 (5)	0.0022 (5)
Cl2	0.0323 (6)	0.0244 (6)	0.0186 (6)	−0.0026 (5)	−0.0003 (5)	0.0078 (5)
P1	0.0162 (6)	0.0141 (5)	0.0176 (6)	−0.0015 (5)	−0.0002 (5)	−0.0014 (5)
P2	0.0155 (5)	0.0109 (5)	0.0162 (5)	−0.0012 (4)	0.0015 (4)	0.0004 (4)
C1	0.014 (2)	0.020 (3)	0.017 (2)	0.0010 (18)	−0.0018 (17)	−0.0036 (19)
C2	0.023 (2)	0.024 (3)	0.016 (2)	−0.001 (2)	0.0022 (18)	−0.001 (2)
C3	0.033 (3)	0.023 (3)	0.020 (2)	0.004 (2)	−0.002 (2)	−0.001 (2)
C4	0.030 (3)	0.029 (3)	0.025 (3)	0.014 (2)	−0.006 (2)	−0.004 (2)
C5	0.018 (2)	0.038 (3)	0.026 (3)	0.008 (2)	−0.002 (2)	−0.007 (2)
C6	0.017 (2)	0.027 (3)	0.021 (2)	−0.002 (2)	0.0008 (18)	−0.004 (2)
C7	0.019 (2)	0.021 (3)	0.032 (3)	−0.004 (2)	−0.001 (2)	−0.005 (2)
C8	0.027 (3)	0.031 (3)	0.031 (3)	−0.005 (2)	−0.004 (2)	−0.010 (2)
C9	0.019 (2)	0.022 (2)	0.019 (2)	0.001 (2)	0.0013 (19)	−0.005 (2)
C10	0.027 (3)	0.029 (3)	0.033 (3)	0.009 (2)	0.007 (2)	−0.006 (2)
C11	0.012 (2)	0.016 (2)	0.018 (2)	−0.0026 (17)	0.0007 (16)	−0.0025 (18)
C12	0.017 (2)	0.019 (2)	0.020 (2)	−0.0029 (18)	0.0009 (18)	−0.0012 (19)
C13	0.025 (3)	0.022 (2)	0.023 (2)	−0.007 (2)	0.002 (2)	0.004 (2)
C14	0.023 (2)	0.029 (3)	0.025 (2)	−0.008 (2)	0.008 (2)	−0.005 (2)
C15	0.015 (2)	0.024 (3)	0.031 (3)	−0.001 (2)	0.0034 (19)	−0.006 (2)
C16	0.020 (2)	0.017 (2)	0.024 (2)	0.0005 (19)	0.0007 (19)	−0.001 (2)
C17	0.019 (2)	0.012 (2)	0.021 (2)	0.0048 (18)	0.0011 (18)	0.0007 (18)
C18	0.024 (3)	0.034 (3)	0.026 (3)	0.006 (2)	0.011 (2)	0.003 (2)
C19	0.017 (2)	0.022 (3)	0.018 (2)	−0.0030 (19)	−0.0016 (17)	−0.0003 (19)
C20	0.025 (3)	0.027 (3)	0.023 (2)	−0.005 (2)	0.000 (2)	−0.005 (2)

Geometric parameters (Å, º) top

Pt1—P2	2.2515 (12)	C9—H9A	0.99
Pt1—P1	2.2544 (13)	C9—H9B	0.99
Pt1—Cl1	2.3505 (12)	C10—H10A	0.98
Pt1—Cl2	2.3619 (12)	C10—H10B	0.98
P1—C9	1.828 (5)	C10—H10C	0.98
P1—C1	1.828 (5)	C11—C12	1.397 (7)
P1—C7	1.831 (5)	C11—C16	1.409 (7)
P2—C17	1.818 (5)	C12—C13	1.396 (7)
P2—C11	1.822 (5)	C12—H12	0.95
P2—C19	1.840 (5)	C13—C14	1.385 (8)
C1—C2	1.392 (7)	C13—H13	0.95
C1—C6	1.400 (7)	C14—C15	1.395 (8)
C2—C3	1.379 (8)	C14—H14	0.95
C2—H2	0.95	C15—C16	1.387 (7)
C3—C4	1.390 (8)	C15—H15	0.95
C3—H3	0.95	C16—H16	0.95
C4—C5	1.383 (9)	C17—C18	1.537 (7)
C4—H4	0.95	C17—H17A	0.99
C5—C6	1.388 (8)	C17—H17B	0.99
C5—H5	0.95	C18—H18A	0.98
C6—H6	0.95	C18—H18B	0.98
C7—C8	1.535 (8)	C18—H18C	0.98
C7—H7A	0.99	C19—C20	1.523 (7)
C7—H7B	0.99	C19—H19A	0.99
C8—H8A	0.98	C19—H19B	0.99
C8—H8B	0.98	C20—H20A	0.98
C8—H8C	0.98	C20—H20B	0.98
C9—C10	1.520 (7)	C20—H20C	0.98

P2—Pt1—P1	94.43 (4)	C10—C9—H9B	109.4
P2—Pt1—Cl1	171.72 (4)	P1—C9—H9B	109.4
P1—Pt1—Cl1	89.94 (5)	H9A—C9—H9B	108
P2—Pt1—Cl2	90.73 (5)	C9—C10—H10A	109.5
P1—Pt1—Cl2	171.70 (5)	C9—C10—H10B	109.5
Cl1—Pt1—Cl2	85.77 (5)	H10A—C10—H10B	109.5
C9—P1—C1	106.4 (2)	C9—C10—H10C	109.5
C9—P1—C7	103.8 (2)	H10A—C10—H10C	109.5
C1—P1—C7	101.9 (2)	H10B—C10—H10C	109.5
C9—P1—Pt1	116.29 (18)	C12—C11—C16	119.0 (4)
C1—P1—Pt1	113.72 (16)	C12—C11—P2	123.7 (4)
C7—P1—Pt1	113.26 (19)	C16—C11—P2	117.3 (4)
C17—P2—C11	106.6 (2)	C13—C12—C11	120.1 (5)
C17—P2—C19	104.4 (2)	C13—C12—H12	120
C11—P2—C19	101.5 (2)	C11—C12—H12	120
C17—P2—Pt1	116.61 (16)	C14—C13—C12	120.4 (5)
C11—P2—Pt1	113.22 (16)	C14—C13—H13	119.8
C19—P2—Pt1	112.99 (17)	C12—C13—H13	119.8
C2—C1—C6	118.4 (5)	C13—C14—C15	120.0 (5)
C2—C1—P1	123.1 (4)	C13—C14—H14	120
C6—C1—P1	118.4 (4)	C15—C14—H14	120
C3—C2—C1	121.1 (5)	C16—C15—C14	120.0 (5)
C3—C2—H2	119.5	C16—C15—H15	120
C1—C2—H2	119.5	C14—C15—H15	120
C2—C3—C4	120.1 (5)	C15—C16—C11	120.4 (5)
C2—C3—H3	120	C15—C16—H16	119.8
C4—C3—H3	120	C11—C16—H16	119.8
C5—C4—C3	119.7 (5)	C18—C17—P2	112.3 (3)
C5—C4—H4	120.1	C18—C17—H17A	109.1
C3—C4—H4	120.1	P2—C17—H17A	109.1
C4—C5—C6	120.2 (5)	C18—C17—H17B	109.1
C4—C5—H5	119.9	P2—C17—H17B	109.1
C6—C5—H5	119.9	H17A—C17—H17B	107.9
C5—C6—C1	120.5 (5)	C17—C18—H18A	109.5
C5—C6—H6	119.8	C17—C18—H18B	109.5
C1—C6—H6	119.8	H18A—C18—H18B	109.5
C8—C7—P1	114.0 (4)	C17—C18—H18C	109.5
C8—C7—H7A	108.8	H18A—C18—H18C	109.5
P1—C7—H7A	108.8	H18B—C18—H18C	109.5
C8—C7—H7B	108.8	C20—C19—P2	114.3 (4)
P1—C7—H7B	108.8	C20—C19—H19A	108.7
H7A—C7—H7B	107.6	P2—C19—H19A	108.7
C7—C8—H8A	109.5	C20—C19—H19B	108.7
C7—C8—H8B	109.5	P2—C19—H19B	108.7
H8A—C8—H8B	109.5	H19A—C19—H19B	107.6
C7—C8—H8C	109.5	C19—C20—H20A	109.5
H8A—C8—H8C	109.5	C19—C20—H20B	109.5
H8B—C8—H8C	109.5	H20A—C20—H20B	109.5
C10—C9—P1	111.1 (4)	C19—C20—H20C	109.5
C10—C9—H9A	109.4	H20A—C20—H20C	109.5
P1—C9—H9A	109.4	H20B—C20—H20C	109.5

Cl1—Pt1—P1—C1	141.79 (18)	C17—P2—C11—C12	−3.0 (5)
Cl1—Pt1—P1—C7	26.11 (18)	C17—P2—C11—C16	174.8 (4)
Cl1—Pt1—P1—C9	−94.1 (2)	C19—P2—C11—C12	−112.1 (4)
P2—Pt1—P1—C1	−45.25 (18)	C19—P2—C11—C16	65.8 (4)
P2—Pt1—P1—C7	−160.93 (18)	Pt1—P2—C17—C18	50.7 (4)
P2—Pt1—P1—C9	78.9 (2)	C11—P2—C17—C18	178.3 (3)
Cl2—Pt1—P2—C11	135.17 (17)	C19—P2—C17—C18	−74.8 (4)
Cl2—Pt1—P2—C17	−100.55 (18)	Pt1—P2—C19—C20	172.4 (3)
Cl2—Pt1—P2—C19	20.46 (17)	C11—P2—C19—C20	50.8 (4)
P1—Pt1—P2—C11	−51.34 (17)	C17—P2—C19—C20	−59.9 (4)
P1—Pt1—P2—C17	72.95 (18)	P1—C1—C2—C3	−177.3 (4)
P1—Pt1—P2—C19	−166.05 (17)	C6—C1—C2—C3	0.5 (7)
Pt1—P1—C1—C2	113.7 (4)	P1—C1—C6—C5	178.3 (4)
Pt1—P1—C1—C6	−64.1 (4)	C2—C1—C6—C5	0.4 (7)
C7—P1—C1—C2	−124.1 (4)	C1—C2—C3—C4	−0.7 (8)
C7—P1—C1—C6	58.2 (4)	C2—C3—C4—C5	−0.1 (8)
C9—P1—C1—C2	−15.6 (5)	C3—C4—C5—C6	1.1 (8)
C9—P1—C1—C6	166.6 (4)	C4—C5—C6—C1	−1.2 (8)
Pt1—P1—C7—C8	179.5 (3)	P2—C11—C12—C13	−179.2 (4)
C1—P1—C7—C8	57.0 (4)	C16—C11—C12—C13	3.0 (7)
C9—P1—C7—C8	−53.4 (4)	P2—C11—C16—C15	−178.0 (4)
Pt1—P1—C9—C10	58.3 (4)	C12—C11—C16—C15	0.0 (7)
C1—P1—C9—C10	−173.8 (4)	C11—C12—C13—C14	−3.1 (8)
C7—P1—C9—C10	−66.8 (4)	C12—C13—C14—C15	0.1 (8)
Pt1—P2—C11—C12	126.5 (4)	C13—C14—C15—C16	2.9 (8)
Pt1—P2—C11—C16	−55.6 (4)	C14—C15—C16—C11	−2.9 (8)

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
C7—H7A···Cl1	0.99	2.67	3.178 (5)	112
C19—H19A···Cl2	0.99	2.77	3.155 (5)	103
C5—H5···Cl1ⁱ	0.95	2.78	3.677 (5)	158
C17—H17A···Cl1ⁱⁱ	0.99	2.51	3.382 (5)	146

Symmetry codes: (i) −x, y+1/2, −z+1/2; (ii) x, y+1, z.

Experimental details

Crystal data
Chemical formula	[PtCl₂(C₁₀H₁₅P)₂]
M_r	598.37
Crystal system, space group	Monoclinic, P2₁/c
Temperature (K)	120
a, b, c (Å)	14.8957 (5), 9.0402 (5), 16.3565 (5)
β (°)	94.865 (3)
V (Å³)	2194.63 (16)
Z	4
Radiation type	Mo Kα
µ (mm⁻¹)	6.79
Crystal size (mm)	0.16 × 0.11 × 0.06

Data collection
Diffractometer	Oxford Diffraction KM-4 CCD
Absorption correction	Analytical [CrysAlis RED; Oxford Diffraction (2006), Clark & Reid (1995)]
T_min, T_max	0.278, 0.398
No. of measured, independent and observed [I > 2σ(I)] reflections	9492, 4301, 4145
R_int	0.013
(sin θ/λ)_max (Å⁻¹)	0.617

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.025, 0.089, 1.36
No. of reflections	4301
No. of parameters	230
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	1.33, −1.25

Computer programs: CrysAlis CCD (Oxford Diffraction, 2006), CrysAlis RED (Oxford Diffraction, 2006), SHELXS97 (Sheldrick, 1997), SHELXL97 (Sheldrick, 1997), ORTEP-3 for Windows (Farrugia, 1997), WinGX (Farrugia, 1999) and PLATON (Spek, 2003).

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
C7—H7A···Cl1	0.99	2.67	3.178 (5)	112
C19—H19A···Cl2	0.99	2.77	3.155 (5)	103
C5—H5···Cl1ⁱ	0.95	2.78	3.677 (5)	158
C17—H17A···Cl1ⁱⁱ	0.99	2.51	3.382 (5)	146

Symmetry codes: (i) −x, y+1/2, −z+1/2; (ii) x, y+1, z.

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