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Reaction products resulting from small molybdenum suboxide cluster anions and carbon monoxide were studied with both mass spectrometry and anion photoelectron (PE) spectroscopy. In addition to the C6O6- product proposed previously, a number of unsaturated carbonyls were identified as terminal products in these reactions. A new PE spectrum of what may be C6O6-, in which the contribution from the Fe(CO)4- contaminant is subtracted, is reported. Additionally, the PE spectra of Mo(CO)5-, MoO(CO)3-, and MoO2(CO)n- (n=1 and 2) are presented, along with a new PE spectrum of an additional contaminant, Ni(CO)3-. Evidence of photodissociation of MoO(CO)3- to MoO-+3 CO is observed in the PE spectrum of MoO(CO)3-. 相似文献