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A hardwon dirhodium paddlewheel with guanidinate type (hpp) bridging ligands
John F Berry1, F Albert Cotton, Penglin Huang
1Department of Chemistry and Laboratory for Molecular Structure and Bonding, Texas A&M University, College Station 77842-3255, USA.
Abstract:
We report a dirhodium paddlewheel compound which has an Rh2(5+) core enveloped by four guanidinate ligands and an axially coordinated bromine atom; Rh2(hpp)4Br crystallizes as a 1-D chain with a Rh-Rh distance of 2.430(3) è and a Rh-Rh bond order of 1.5 (hpp = the anion of 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2a]pyrimidine).
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