Reactivity of Cr2M(dpa)4X2 complexes (where dpa=2,2'-dipyridylamine) of the form X-CrCr���M-X is presented. In attempt to form M-X multiple bonds, we have prepared complexes of the type N3-CrCr���M-N3 (where CrCr is a quadruply-bonded dichromium unit and M=Fe, Co, Cr), which have been characterized by X-ray crystallography and by NMR, IR and absorption spectroscopy. Thermolysis of the azide compounds was studied using TGA to monitor loss of N2.   We also present photolysis of these compounds. We expect that the azide compounds described herein will be able to form nitride complexes, and that the dichromium unit may affect the strength of the M=N interaction.

Synthesis, characterization, and reactivity of new heterotrimetallic azide complexes

243rd National Meeting (2012)

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