Crystal structure of the low-temperature form of K3PO4.

Authors :: Voronin, V.
Ponosov, Yu.
Berger, I.
Proskurnina, N.
Zubkov, V.
Tyutyunnik, A.
Bushmeleva, S.
Balagurov, A.
Sheptyakov, D.
Burmakin, E.
Shekhtman, G.
Vovkotrub, E.
Source :: Inorganic Materials. Aug2006, Vol. 42 Issue 8, p908-913. 6p. 3 Charts, 2 Graphs.
Publication Year :: 2006
Abstract: The crystal structure of the low-temperature form of K3PO4 has been determined for the first time using neutron diffraction (Rietveld method) and Raman spectroscopy: orthorhombic cell (sp. gr. Pnma, Z = 4), lattice parameters a = 1.12377(2) nm, b = 0.81046(1) nm, c = 0.59227(1) nm. The structure is made up of isolated [PO4] tetrahedra, with the potassium ions in between. [ABSTRACT FROM AUTHOR]