Detail of "7783-58-6"

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CAS Number:
7783-58-6
Name:
Germane, tetrafluoro-
Molecular Structure:
Formula:
F₄Ge
Molecular Weight:
148.63
Synonyms:
Germaniumfluoride (GeF4) (6CI,7CI,8CI);Germanium fluoride;Germanium tetrafluoride;Germyl tetrafluoride;Tetrafluorogermane;
EINECS:
232-011-3
Density:
2.126 g/mL at 0 °C(lit.)
Hazard Symbols:
C,T
Risk Codes:
34
Safety:
26-36/37/39-45 Details
Transport Information:
UN 3304 2

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Explanation of irregular trend in fluorine-19 (19F*) (I = 5/2) nuclear quadrupole interaction in tetrafluoromethane, tetrafluorosilane, and tetrafluorogermane: Explanation of irregular trend in fluorine-19 (19F*) (I = 5/2) nuclear quadrupole interaction in tetrafluoromethane, tetrafluorosilane, and tetrafluorogermane. Mishra, K. C.; Coker, A.; Kelires, P.; Mishra, S. K.; Das, T. P.; Kreische, W.; Boehnlein, G.; Barfuss, H.; Nielsen, K. Bonde (Dep. Phys., State Univ. New York, Albany, NY 12222, USA). Hyperfine Interact., 16(1-4), 907-10 (English) 1983. CODEN: HYINDN. ISSN: 0304-3843. DOCUMENT TYPE: Journal CA Section: 65 (General Physical Chemistry) A theor. 7783-58-6 and 7783-61-1 are cas registry numbers of chemicals which are used as reagents here. investigation of the elec. field gradient at excited nuclei 19F* (I = 5/2) in CF4, SiF4, and GeF4 was carried out by using the self-consistent-charge-extended Hueckel procedure to obtain the electronic wave functions. The values of the quadrupole coupling consts. obtained are 50.3, 30.4, and 36.3 MHz for CF4, SiF4, and GeF4, resp., agreeing with the trend in recent exptl. data. Phys. reasons are presented for the trend, which is irregular as compared to expectations from the Townes-Dailey theory which would have predicted a continuous decrease in going from CF4 to GeF4. .

An ionic conductivity of the phases isolated in the lead difluoride-tin tetrafluoride and lead difluoride-germanium tetrafluoride binary systems: An ionic conductivity of the phases isolated in the lead difluoride-tin tetrafluoride and lead difluoride-germanium tetrafluoride binary systems. Granier, Par W.; Gendry, M.; El Mansouri, A.; Vilminot, S.; Cot, L. (Lab. Chim. Min. Appl.-Chim. Mat., Montpellier, Fr.). Z. Anorg.Several substances with their cas registry numbers 7783-58-6 and 88902-64-1 may be metioned in this study. Allg. Chem., 506, 59-67 (French) 1983. CODEN: ZAACAB. ISSN: 0044-2313. DOCUMENT TYPE: Journal CA Section: 76 (Electric Phenomena) Section cross-reference(s): 68, 75 A restricted solid-soln. domain with a fluorite-type structure and definite Pb3GeF10, Pb3Ge2F14, and PbMF6 phases are obsd. in systems of PbF2-MF4 (M = Sn,Ge). Ionic conduction was measured by the complex impedance technique. In the solid solns. the M4+ cations adapt a distorted octahedral environment. .