First Example of an Organogallium Compound Containing a Ga-Te Bond: Synthesis,Properties and Molecular Structure of ((Me3CCH2)2GaTePh)2

摘要

The first example of an organogallium compound with a Gallium-Tellurium bond(Me3CCH2)2GaTePh)2, which is stable at room temperature, has been synthesized and characterized by elemental analyses, Infrared, Hydrogen Nuclear Magnetic Resonance and (125) Tellurium NMR spectroscopy and an X-ray structural study. The dimeric molecule crystallizes in the monoclinic space group P2(1)/c with unit cell dimensions of a = 18.864(7)A, b = 10.041(5), c = 19.869(9), beta = 101.80(3), V = 3684(5)A(3), Z=4, D(ca/cd) = 1.505 (gram 1/centimeter cubed), R = 0.030, R(w) = 0.035. The four membered Ga2Te2 ring has a butterfly arrangement with the phenyl groups in the anti-position relative to the ring. The Ga-Te bond distances are in the range 2.7435(8)-2.7623(8)A. Organometallic compounds, Gallium, Tellurium, Elemental analysis, Spectroscopy, Phenyl groups, Organic chemistry.