Low-temperature photochemistry of (. eta. 5-C5R5) Fe (CO) 2Mn (CO) 5 (R= H, Me): substitution by P-donor ligands and kinetics of thermal Fe-Mn bond homolysis

KR Pope, MS Wrighton

Index: Pope, Keith R.; Wrighton, Mark S. Journal of the American Chemical Society, 1987 , vol. 109, # 15 p. 4545 - 4552

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Citation Number: 15

Abstract

Abstract: Low-temperature irradiation of (~ 5-C5R5) Fe (CO), Mn (CO) 5 (R= H, Me) results in loss of CO as the only detectable photoprocess (aapp for CO= lo-, at 313 nm, and+. 313/@ 366= 20 at 93 K) and yields a coordinatively unsaturated dinuclear photoproduct,(q5-C5R5) FeMn (CO),. It should be appreciated that CO loss and Mn-Fe bond cleavage are competitive processes with CO loss far more dominant at low temperature in a rigid glass. ...