Structure of the triaquatricarbonylrhenium(I) cation and its conjugate base

Richard S. Herrick*, Christopher J. Ziegler, Anil Çetin, Brenton R. Franklin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


The crystal structure of the Re(CO)3(H2O) 3+ cation has been determined from crystals obtained by evaporation of an aqueous solution of [Re(CO)3(H2O) 3]Br. The bromide ion is incorporated in the Re2(CO) 93-Br)3- anion. A second structure was obtained by removal of bromide as AgBr and precipitation of the Re(CO)3(H2O)3+ cation with PF 6-. In the latter structure the conjugate base, Re(CO)3(OH)(H2O)2 is cocrystallized in the structure. Each structure along with the previously known cubane [Re(CO) 33-OH)]4·4H2O was obtained multiple times during crystallization studies. The use of other anions to generate crystalline products was unsuccessful.

Original languageEnglish
Pages (from-to)1632-1634
Number of pages3
JournalEuropean Journal of Inorganic Chemistry
Issue number12
StatePublished - 2007
Externally publishedYes


  • Aqua ligands
  • Carbonyl ligands
  • Hydrolysis
  • Rhenium


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