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User:Graeme Bartlett/germanide phosphide

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Germanide phosphides or phosphide germanides or germanophosphides are compounds containing anions composed of germanide (Ge4−) and phosphide (P3−). They can be considered as mixed anion compounds. They are distinct from the phosphidogermanates, which have the phosphorus bonded to the germanium. Related compounds include the phosphide carbides, silicide phosphides, nitride germanides, and antimonide germanides.

One preparation method is to heat a metal phosphide with germanium in a silica tube. Phosphorus must be prevented from evaporating. Another method is to use a liquid tin flux.

List

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formula system space group unit cell Å volume density comment ref
Li10.1Ge5P Orthorhombic Pnma a = 10.360 Å, b = 4.3072, c = 24.267 Z=4 1082.85 2.86 black [1]

References

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  1. ^ Fässler, Thomas Friedrich; Eickhoff, Henrik; Toffoletti, Lorenzo; Klein, Wilhelm; Raudaschl-Sieber, Gabi (2022-01-20). "Planar Si5 and Ge5 Pentagons beside Isolated Phosphide Anions in Lithium Phosphide Tetrelides Li10+xSi5P and Li10+xGe5P". Zeitschrift für anorganische und allgemeine Chemie: zaac.202100376. doi:10.1002/zaac.202100376. ISSN 0044-2313.