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6922509 
Journal Article 
Tale of two isomers: A stable phenyl hydride and a high-spin (S=3) benzene complex of chromium 
Monillas, WH; Yap, GPA; Theopold, KH; , 
2007 
Yes 
Angewandte Chemie (International Edition)
ISSN: 1433-7851
EISSN: 1521-3773 
WILEY-V C H VERLAG GMBH 
WEINHEIM 
46 
35 
6692-6694 
English 
(Chemical Equation Presented) Staying put: A binuclear phenyl hydride complex of chromium resists benzene formation by reductive elimination, even though the isomeric μ,-η6:η6 benzene complex can be prepared independently (see scheme, Ar = 2,6-iPr2(C 6H3)). Whereas the phenyl hydride shows evidence for metal-metal bonding and antiferromagnetic coupling, the bridging benzene complex features extremely strong ferromagnetic coupling with an S = 3 ground state. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.