Antimony tris(dimethylcarbamate) Sb(O2CNMe2)3

Sb (III) diethylcarbamate monomeric structure

    Antimony tris(dimethylcarbamate) Sb(O2CNMe2)3 was synthesized and characterized, its crystal structure was determined by single crystal XRD.

    Sb(O2CNMe2)3 exists as a weakly bound dimer, whereas its diethyl and diisopropyl analogues are monomeric. Crystallographic data:  for Sb(O2CNMe2)3, a = 8.7520(5) Å, b = 14.2970(8) Å, c = 11.8150(7) Å, β = 108.029(2)°, monoclinic, P21/c, Z = 4;

   Sb(O2CNMe2)3 was demonstrated to be useful as a single-source precursor for the growth of Sb2O3 thin films (senarmonite) by low-pressure CVD.[[i]]

[i] G.A. Horley, M.F. Mahon, K.C. Molloy, P.W. Haycock, Ch. P. Myers, Inorg. Chem., 2002, 41 (20), pp 5052–5058, DOI: 10.1021/ic0202716, “Synthesis and Characterization of Novel Homoleptic N,N-Dialkylcarbamato Complexes of Antimony: Precursors for the Deposition of Antimony Oxides”,  https://pubs.acs.org/doi/abs/10.1021/ic0202716

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