C18H16Cl4N2O3V, orthorhombic, Pbca (no. 61), a = 7.8555(3) angstrom, b = 21.6645(7) angstrom, c = 23.7584(8) angstrom, V = 4043.3(2) angstrom(3), Z = 8, R ( gt )(F) = 0.0296, wR ( ref )(F (2)) = 0.0799, T = 296(2) K.