Polymorphism in M(H2PO2)3 (M = V, Al, Ga) compounds with the perovskite-related ReO3 structure.

Hayden A Evans,John Wang,Yue Wu,Joshua M Tuffnell,Paul D Bristowe,Ram Seshadri,Guang Wu,Kartik Pilar,Zeyu Deng,Anthony K Cheetham,Siân E Dutton,Jessica L Andrews,Ines E Collings

doi:10.1039/c9cc00118b

Polymorphism in M(H2PO2)3 (M = V, Al, Ga) compounds with the perovskite-related ReO3 structure.

Hayden A Evans, John Wang + Show 11 more

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https://doi.org/10.1039/c9cc00118b

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Journal: Journal of the Chemical Society Chemical Communications	Publication Date: Jan 1, 2019
Citations: 15

Affiliation: St Vincent Hospital, University of California, Santa Barbara, National University of Singapore, St George's, University of London, University of Cambridge, National University of Engineering, European Synchrotron Radiation Facility

#Ga Compounds #Connectivity Of Structure + Show 2 more

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Abstract

Trivalent metal hypophosphites with the general formula M(H2PO2)3 (M = V, Al, Ga) adopt the ReO3 structure, with each compound displaying two structural polymorphs. High-pressure synchrotron X-ray studies reveal a pressure-driven phase transition in Ga(H2PO2)3 that can be understood on the basis of ab initio thermodynamics.

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