C25H18Cl2N2O	F(000) = 896
Mr = 433.31	Dx = 1.327 Mg m−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 4312 reflections
a = 10.8650 (9) Å	θ = 2.1–20.1°
b = 14.0010 (3) Å	µ = 0.32 mm−1
c = 14.3021 (6) Å	T = 293 K
β = 94.697 (10)°	Block, colourless
V = 2168.3 (2) Å3	0.21 × 0.18 × 0.12 mm
Z = 4