Affiliation:
1. Department of Chemistry, University of Missouri, Columbia, MO 65211, USA.
Abstract
A family of dinitrogen complexes, [(LAu)
6
(N
2
)]
2+
(L = a phosphine), with the dinitrogen unit bridging two clusters of three gold atoms have been prepared from hydrazine and [(LAu)
3
(O)]
+
. Structural characterization of the PPh
2
i
Pr (Ph, phenyl;
i
Pr, isopropyl) derivative shows a nitrogen-nitrogen single-bond distance indicative of hydrazido (N
2
4−
) character for the dinitrogen unit. The complexes can be reduced and protonated to give low [13% when L = PPh
2
Me (Me, methyl)] to quantitative [100% when L = P(
p
-MeOC
6
H
5
)
3
] yields of ammonia, establishing that bonding of dinitrogen to six metal atoms can lead to facile cleavage of the nitrogen-nitrogen bond.
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
104 articles.
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