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J Am Chem Soc. 2005 Apr 20;127(15):5330-1.

A facile approach to a d4 RuN: moiety.

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1
Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Room A250B, Bloomington, Indiana 47405-7102, USA.

Abstract

Replacement of chloride in (PNP)RuCl, PNP = (tBu2PCH2SiMe2)2N, by Me3SiN3 gives a pre-redox adduct that, already at -30 degrees C, releases N2 to produce the mononuclear nonplanar Ru(IV) nitride (PNP)RuN, characterized by spectroscopic and X-ray methods. DFT calculations show the planar structure to be only 1.6 kcal/mol less stable, which explains the time-averaged simplicity of the 1H NMR spectrum, as well as the large vibrational amplitude of the nitride ligand.

PMID:
15826165
DOI:
10.1021/ja050361k
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