A cobalt-59, indium-115, gallium-69, gallium-71, bromine-79, bromine-81, and chlorine-35 nuclear quadrupole resonance study of structure and bonding in four-coordinate gallium and indium compounds containing metal-metal bonds
Abstract:Pure nuclear quadrupole resonance spectra are reported for a series of four-coordinate gallium and indium compounds having a s ligands cO(c0)4, Br, C1, THF, acac, and (CsHs)3PO. The 59C0, l151n, 69Ga, 71Ga, 79Br, 81Br, and 35Cl N Q R parameters when taken together and separately lead to qualitative structural inferences and a coherent picture of the ground-state electron distribution in these molecules. The 59C0 and 'lsIn coupling constants and the llsIn asymmetry parameters suggest that ligand angle changes i… Show more
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