The exopolyhedral ligand orientation (ELO) in 3‐(nitrato‐κO)‐3,3‐bis(triphenylphosphane‐κP)‐3‐rhoda‐1,2‐dicarba‐closo‐dodecaborane(11) dichloromethane 2.2‐solvate

Publisher： John Wiley & Sons Inc

E-ISSN： 2053-2296|71|6|461-464

ISSN： 0108-2701

Source： ACTA CRYSTALLOGRAPHICA SECTION C (ELECTRONIC), Vol.71, Iss.6, 2015-06, pp. : 461-464

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Abstract

In the title compound, [Rh(C2H11B9)(NO3)(C18H15P)2]·2.2CH2Cl2, studied as a 2.2‐solvate of what was assumed to be dichloromethane, the nitrate ligand lies cis with respect to both cage C atoms. Accordingly, the compound displays a pronounced preferred exopolyhedral ligand orientation (ELO) which is traced to both the greater trans influence of the cage B over the cage C atoms and the greater trans influence of the triphenylphosphane ligands over the nitrate ligand. The overall molecular architecture therefore agrees with that of a number of similar 3‐L‐3,3‐L′2‐3,1,2‐closo‐MC2B9H11 species in the literature.

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