Table 1. Experimental details.

Crystal data
Chemical formula	[Pt2Cl4(NH3)2{μ-HN=C(O)Bu t }2]
M r	766.33
Crystal system, space group	Monoclinic, C2/c
Temperature (K)	293
a, b, c (Å)	19.3247 (3), 8.8795 (1), 12.7062 (2)
β (°)	108.332 (1)
V (Å3)	2069.65 (5)
Z	4
Radiation type	Mo Kα
μ (mm−1)	14.03
Crystal size (mm)	0.77 × 0.24 × 0.21
Data collection
Diffractometer	Nonius KappaCCD
Absorption correction	Multi-scan (SADABS)
T min, T max	0.03, 0.05
No. of measured, independent and observed [I > 2.0σ(I)] reflections	29306, 6496, 4944
R int	0.027
(sin θ/λ)max (Å−1)	0.910
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.022, 0.017, 1.12
No. of reflections	4707
No. of parameters	100
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	1.30, −1.30

Computer programs: COLLECT (Nonius, 2001 ▸), CrysAlis (Oxford Diffraction, 2002 ▸), SIR92 (Altomare et al., 1993 ▸), CRYSTALS (Betteridge et al., 2003 ▸), CAMERON (Watkin et al., 1996 ▸).