Synthesis and structures of new octahedral heterometal rhenium-osmium cluster complexes

K. A. Brylev, N. G. Naumov, S. G. Kozlova, M. R. Ryzhikov, S. J. Kim, N. Kitamura

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

New octahedral anionic heterometal rhenium-osmium cluster complexes [Re 5OsSe 8(OH) 6] 3- and [Re 4Os 2Se 8(OH) 6] 2- were synthesized starting from [Re 5OsSe 8Cl 6] 3- and [Re 4Os 2Se 8Cl 6] 2-, respectively. They were isolated as salts of the compositions Cs 3[Re 5OsSe 8(OH) 6] · 11H 2O (I), K 3[Re 5OsSe 8(OH) 6] · 7H 2O (II), and K 2[Re 4Os 2Se 8(OH) 6] · 3H 2O (III). The protonation of the terminal OH ligands of [Re 5OsSe 8(OH) 6] 3- in an aqueous solution resulted in crystallization of a neutral complex [Re 5OsSe 8(H 2O) 3(OH) 3] · 12H 2O (IV). The compounds have been characterized by single-crystal X-ray diffraction analysis. The luminescence properties of [Re 5OsSe 8(OH) 6] 3- and [Re 4Os 2Se 8(OH) 6] 2- were studied. In addition, the electronic structures of the complexes were elucidated by DFT calculations.

Original languageEnglish
Pages (from-to)183-191
Number of pages9
JournalRussian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
Volume38
Issue number3
DOIs
StatePublished - Mar 2012

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