Gallane electron diffraction

Electron diffraction 2-galla- rac/ino-tetraborane, 41 218 gallaborane, 41 214 gallane vapor, 41 204-207 gallium hydrides, 41 185-188 reactive intermediates, 46 110-113 time-resolved, 46 149... [Pg.89]

Gallane, 41 172-173, 196-198 chemical analysis, 41 199, 201 chemical properties, 41 208-209 complexes, 41 175-178 electron diffraction, 41 204-207 2-galla-arachno, tetraborane, 41 216-220 gallaborane, 41 211-216 H NMR spectrum, 41 207-208 IR spectrum, 41 200-202 physical properties, 41 199 search for, 41 173-175 synthesis, 41 198-199 vibrational spectra, 41 200-215 2-Galla-araclino-tetraborane, 41 216-220 "B NMR spectrum, 41 217, 219-220 decomposition of vapor, 41 216-217 electron diffraction, 41 218 structure, 41 217-218 Gallium... [Pg.111]

Fig. 1. Molecular structures of the gallane derivatives (a) Me3NGaH3 and (b) [Me2NGaH2]2 as deduced from the electron-diffraction patterns of the vapors (reproduced with permission from Refs. 51 and 52). [Pg.178]

Fig. 2. Pyrex glass apparatus used (a) for the synthesis and sampling of a base-free gallane and (b) for the admission of the gallane vapor to the chamber of the electron-diffraction apparatus. In (a) A is a sample of [H2GaCl]2 Bj, B2, and B3 are greaseless valves C is freshly prepared LiGaH4, LiBH4, or [Bu"4N][B3H8] Dj, D2, and D3 are U-tube traps for fractionation of the volatile components of the reaction mixture and E is an NMR tube (reproduced with permission from Ref. 56 copyright 1991, American Chemical Society).

$Fig. 2. Pyrex glass apparatus used (a) for the synthesis and sampling of a base-free gallane and (b) for the admission of the gallane vapor to the chamber of the electron-diffraction apparatus. In (a) A is a sample of [H2GaCl]2 Bj, B2, and B3 are greaseless valves C is freshly prepared LiGaH4, LiBH4, or [Bu"4N][B3H8] Dj, D2, and D3 are U-tube traps for fractionation of the volatile components of the reaction mixture and E is an NMR tube (reproduced with permission from Ref. 56 copyright 1991, American Chemical Society).$

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