Synthesis and characterisation of [Fe<SUB>2</SUB>M<SUB>3</SUB>(μ<SUB>4</SUB>-E)(μ<SUB>3</SUB>-E')(CO)<SUB>17</SUB>] and [Os<SUB>3</SUB>(μ<SUB>3</SUB>-E)(μ<SUB>3</SUB>-E')(CO)<SUB>9</SUB>] (M=Os or Ru; E=S, Se, Te; E'=Se, Te)
- Mathur, Pradeep
- Payra, Pramatha
- Ghose, Sanjukta
- Munkir Hossain, Md.
- Satyanarayana, C. V. V.
- Chicote, Fernando O.
- Chadha, Raj K.
DOIAbstract
A set of new chalcogen-bridged mixed metal clusters [Fe2Os3(μ4-E)(μ3-E')(CO)17] (2, EE'=SeTe; 3, EE'=STe; 4, EE'=Se2; 5, EE'=SSe) and [Fe2Ru3(μ4-E)(μ3-E')(CO)17] (12, EE'=SeTe; 13, EE'=STe; 14, EE'=Se2; 15, EE'=SSe) has been synthesised by facile methods. Thermolysis or photolysis of compounds 2, 3 and 5 afforded the new triosmium mixed chalcogenide clusters [Os3(μ3-E)(μ3-E')(CO)9] (7, EE'=SeTe; 8, EE'=STe; 10, EE'=SSe). All new compounds were characterised by IR and 1H-, 77Se- and 125Te-NMR spectroscopy. Clusters 8, 9 and 12 were structurally characterised by single crystal X-ray diffraction methods
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