Germanium difluoride
Germaniumdifluorid
White solid
Fixed
110 ° C.
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Germanium (II ) fluoride is an inorganic chemical compound of the germanium from the group of fluorides.
Production and representation
Germanium (II ) fluoride (IV) can be obtained with germanium fluoride at 150 ° C by the reaction of germanium.
Properties
Germanium (II ) fluoride is a white solid that is soluble in 48% he hydrofluoric acid. It can be distilled at 130 ° C in vacuum and decomposes above 160 ° C, with discoloration. He has strong reducing properties. In moist air is carried out to conversion germanium ( II) hydroxide. Germanium (II ) fluoride has an orthorhombic crystal structure with space group P212121 and lattice constants of a = 0.4682 nm, b = 0.5178 nm, c = 0.8312 nm, Z = 4 (four units per cell). Its crystal structure is composed of high polymer chains which consist of GeF3 pyramids, wherein one of the fluorine atoms in the chain, one of two adjacent pyramids.