Abstract
Reactions of triphenyl-phosphine (PPh3) and -arsine (AsPh3) with nitratopentacarbonylmaganese(I) yield the products Mn(CO)4PPh3NO3, Mn(CO)4AsPh3NO3, and cis- and trans-Mn(CO)3(PPh3)2NO3. The monosubstituted complexes in the solid state, and the trans-disubstituted complexe, exhibit unusual nitrate infrared absorptions, which may possibly be explained in terms of a pyramidal nitrate group bonding through the nitrogen atom. Structural changes of Mn(CO)4LNO3 complexes in CHCl3 have been followed by infrared spectroscopy. When 2,2′-bipyridyl displaces PPh3 in trans-Mn(CO)3(PPh3)2NO3, the bonding of the nitrate group reverts to the unidentate type.
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Schedule a callMore From: Journal of the Chemical Society A: Inorganic, Physical, Theoretical
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