Abstract

Abstract The cis-trans isomeric pairs of diisothiocyanato-, dinitrito-, diazido-, diaqua-, and aquahydroxo-bis(trimethylenediamine)chromium(III) complexes have been obtained as crystals and characterized by infrared and electronic absorption spectra. The cis isomers of diisothiocyanato and diazido complexes as well as [Cr(N3)2(en)2]ClO4 were resolved and the absolute configurations of (+)589-cis-[Cr(NCS)2(tn)2]SCN, (+)589-cis-[Cr(N3)2(tn)2]ClO4, and (−)589-cis-[Cr(N3)2(en)2]ClO4 were all assigned to Δ.

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