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Preparation and Single-Crystal X-Ray Structures of Four Related Mixed-Ligand 4-Methylpyridine Indium Halide ComplexesWe describe the structures of four related indium complexes obtained during synthesis of solid-state materials precursors. Indium adducts of halides and 4-methylpyridine, InX3(pic)3 (X = Cl, Br; pic = 4-methylpyridine) consist of octahedral molecules with meridional (mer) geometry. Crystals of mer-InCl3(pic)3 (1) are triclinic, space group P1(bar) (No. 2), with a = 9.3240(3), b = 13.9580(6), c = 16.7268 (7) A, alpha = 84.323(2), beta = 80.938(2), gamma = 78.274(3)Z = 4, R = 0.035 for 8820 unique reflections. Crystals of mer-InBr3(pic)3 (2) are monoclinic, space group P21/n (No. 14), with a = 15.010(2), b = 19.938(2), c = 16.593(3), beta = 116.44(1)Z = 8, R = 0.053 for 4174 unique reflections. The synthesis and structures of related compounds with phenylsulfide (chloride) (3) and a dimeric complex with bridging hydroxide (bromide) (4) coordination is also described. Crystals of trans-In(SC6H5)Cl2(pic)3 (3) are monoclinic, space group P21/n (No. 14), with a = 9.5265(2), b = 17.8729(6), c = 13.8296(4), beta = 99.7640(15)Z = 4, R = 0.048 for 5511 unique reflections. Crystals of [In(mu-OH)Br2(pic)22 (4) are tetragonal, space group = I41cd (No. 110) with a = 19.8560(4), b = 19.8560(4), c = 25.9528(6), Z = 8, R = 0.039 for 5982 unique reflections.
Document ID
20130011563
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Hepp, Aloysius F. (NASA Glenn Research Center Cleveland, OH, United States)
Clark, Eric B. (NASA Glenn Research Center Cleveland, OH, United States)
Schupp, John D. (Tiffin Univ. Tiffin, OH, United States)
Williams, Jennifer N. (Cleveland State Univ. Cleveland, OH, United States)
Duraj, Stan A. (Cleveland State Univ. Cleveland, OH, United States)
Fanwick, Philip E. (Purdue Univ. West Lafayette, IN, United States)
Date Acquired
August 27, 2013
Publication Date
February 1, 2013
Subject Category
Inorganic, Organic And Physical Chemistry
Report/Patent Number
E-18621
NASA/TM-2013-217845
Funding Number(s)
WBS: WBS 473452.02.03.06.07.01
Distribution Limits
Public
Copyright
Public Use Permitted.

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