Structure and Electronic Properties of [Ni(dsdm)Fe((CO)₃)₂], an Unusual, Triangular Nickel Diiron Compound
Reaction of the low-spin complex [Ni(dsdm)] with Fe2CO9 results in the unique trinuclear cluster [Ni(dsdm)Fe(CO)32]. NMR spectroscopy shows that the structure is diamagnetic, and, moreover, that the complex is stable in solution and C2-symmetric. the X-ray structure reveals short distances between the distorted octahedral nickel(11) ion and the two octahedral iron(0) centers. the observed diamagnetism is explained by the formation of a triangular metal core with three two-electron two-center bonds. the Mössbauer spectra, which are typical of iron(0), are composed of asymmetric quadrupole doublets as a result of the presence of two chemically similar, but crystallographically distinct, iron sites. © Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003.
M. C. Chalbot et al., "Structure and Electronic Properties of [Ni(dsdm)Fe((CO)₃)₂], an Unusual, Triangular Nickel Diiron Compound," European Journal of Inorganic Chemistry, Wiley-WCH Verlag, Jan 2003.
The definitive version is available at https://doi.org/10.1002/ejic.200390064
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