Molybdenum and Tungsten Carbonyl Compounds Generate Carbonyl Sulfide (COS), but not Carbonyl Selenide (COSe), when Treated with Elemental Sulfur and Selenium

08 February 2023, Version 1
This content is a preprint and has not undergone peer review at the time of posting.


Carbonyl sulfide (COS) is implicated in prebiotic chemistry, and recent work on COS/H2S donors has invigorated COS chemistry. We demonstrate that [TpM(CO)3]- (M=Mo,W) react with S8 to form COS, but form [TpW(CO)2]2Se3 not COSe upon reaction with Se. These results advance the metal-mediated interconnectivity of CO and reactive S/Se species.


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