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Acta Crystallogr Sect E Struct Rep Online. 2012 Jul 1;68(Pt 7):m877. doi: 10.1107/S1600536812024518. Epub 2012 Jun 13.


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  • 1Chemistry Department, East Tennessee State University, PO Box 70695, Johnson City, Tennessee, TN 37614, USA.


The title structure, [Rh₂(C₁₁H₁₄NO)₄(C₇H₅N)₂], contains a dinuclear Rh complex of point symmetry -4 with an Rh-Rh unit and two benzonitrile ligands located in special positions along the twofold axis passing through -4. Four symmetry-equivalent mesitylacetamidate ligands bridge the Rh-Rh unit. Thus, each Rh(II) atom has an approximately octa-hedral coordination by one Rh [Rh-Rh = 2.4290 (6) Å], two acetamidate O atoms trans to each other [Rh-O = 2.044 (3) Å], two acetamidate N atoms trans to each other [Rh-N = 2.091 (4) Å], and a benzonitrile N atom trans to Rh [Rh-N = 2.222 (3) Å]. The structure is held together by weak van der Waals forces.

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