Abstract
The title compound, cadmium tetraoxorhenium bis(thiourea), Cd(ReO4)2.2CH4N2S, forms two polymorphs: monoclinic, (I), and triclinic, (II). Both are built up of infinite chains in which the Cd atoms are hexacoordinate. In (I), the centrosymmetric CdO4S2 octahedra are interlinked by double ReO4 bridges, while in (II), CdO3S3 octahedra are connected by alternating double ReO4 and S bridges. The Cd—S coordination bond length is 2.495 (2) Å in (I) and ranges from 2.576 (2) to 2.719 (2) Å in (II). The hydrogen bonding between chains is more developed in compound (II).
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More From: Acta Crystallographica Section C Crystal Structure Communications
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