A new whitlockite, Ca8.42Na1.16V(PO4) 7

Alexander A. Tsirlin, Evgeny V. Dikarev, Roman V. Shpanchenko, Evgeny V. Antipov

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Single crystals of a new complex phosphate, calcium sodium vanadium phosphate, Ca8.42Na1.16V(PO4)7, have been grown from a melt under an inert atmosphere. The crystal structure has rhombohedral (R3c) symmetry and belongs to the whitlockite structure type. Vanadium(III) ions occupy nearly regular octahedral sites (M5 with 3 point symmetry), which share corners with six PO4 tetrahedra to form isolated units. The calcium ions occupy eight- and nine-coordinated sites. The sodium ions partially occupy one octahedral position and share one nine-coordinated position with a Ca atom.

Original languageEnglish
Pages (from-to)i13-i15
JournalActa Crystallographica Section C: Crystal Structure Communications
Volume62
Issue number2
DOIs
Publication statusPublished - Feb 2006
Externally publishedYes

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