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Article type: Research Article
Authors: Robinson, Gregory H. | Burns, Jaye A. | Pennington, William T.
Affiliations: Howard L. Hunter Chemistry Laboratory, Department of Chemistry, Clemson University, Clemson, SC 29634-1905
Note: [] Corresponding author.
Abstract: The trimeric phosphinogallane [Me2Ga-PPh2]3 was prepared by the room temperature reaction of trimethylgallium with diphenylphosphine in toluene. The title compound, characterized by 1H NMR, 31P NMR, elemental analyses, and single-crystal x-ray diffraction, crystallizes in the monoclinic space group P21/n (No. 14) with one trimeric phosphinogallane and two toluene solvent molecules per asymmetric unit. The unit cell parameters were a = 14.455 (3) Å; b = 22.541 (4) Å; c = 16.847 (4) Å, β = 105.53 (2)°, Dcalcd = 1.30 g cm−3, a V = 5289 (2) Å3, for Z = 4. Refinement converged at R = 0.039, Rw = 0.054. The crystal structure reveals that the title compound resides about a Ga3P3 six-membered ring in a chair conformation with a mean Ga-P bond distance of 2.433 (1) Å.
DOI: 10.1080/13583149512331338355
Journal: Main Group Chemistry, vol. 1, no. 1, pp. 153-158, 1995
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