[CrBr2(NH3)4][CrBr4(NH3)2], a new chromium(III) complex |
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Authors: | Ludwig Stork Xiaohui Liu Boniface P. T. Fokwa Richard Dronskowski |
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Abstract: | Green single crystals of trans‐tetraamminedibromidochromium(III) trans‐diamminetetrabromidochromate(III), [CrBr2(NH3)4][CrBr4(NH3)2], are found to contain two symmetry‐independent sixfold coordinated CrIII cations on centres of inversion. The structure is composed of octahedral trans‐[CrBr2(NH3)4]+ cations and octahedral trans‐[CrBr4(NH3)2]− anions, and adopts a distorted CsCl‐type lattice. The cations and anions are linked by N—H...Br interactions. This is the first example in which both ions are mixed ammine–bromide CrIII complexes. |
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