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Acta Cryst. (2012). E68, m1414-m1415
[ doi:10.1107/S1600536812043917 ]

Bis(2,2':6',2''-terpyridine)ruthenium(II) bis(perchlorate) hemihydrate

M. Kozlowska, P. Rodziewicz, D. M. Brus, J. Breczko and K. Brzezinski

Abstract: The asymmetric unit of the title compound, [Ru(C15H11N3)2](ClO4)2·0.5H2O, contains one ruthenium-terpiridine complex cation, two perchlorate anions and one half-molecule of water. Face-to-face and face-to-edge [pi]-stacking interactions between terpyridine units [centroid-centroid distances = 3.793 (2) and 3.801 (2)  Å] stabilize the crystal lattice The partially occupied water molecule interacts with two perchlorate ions via O-H...O hydrogen bonds. In the crystal lattice, the complex cations, perchlorate ion-water pairs and the second perchlorate anions are arranged into columns along b direction.

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