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Acta Cryst. (2012). E68, m1193
[ doi:10.1107/S1600536812035817 ]

trans-Dichloridotetrapyrazineruthenium(II) dichloromethane disolvate

V. N. Nesterov, W. Khan, A. E. Rangel and B. W. Smucker

Abstract: In the title compound, [RuCl2(C4H4N2)4]·2CH2Cl2, the RuII atom occupies a position of 222 symmetry and the C atom of the solvent molecule occupies a site with twofold symmetry. The RuII atom has a slightly distorted octahedral geometry. The pyrazine rings are propeller-like and rotated 45.1 (1)° from the RuN4 plane. In the crystal, the complex and solvent molecules are bridged by weak C-H...N hydrogen bonds along the c axis. Weak intermolecular C-H...Cl contacts link the complexes in the ab plane, forming a network.

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