Materials Data on Ca3Nb4(O6F)2 by Materials Project

Kristin Persson
Ca3Nb4(O6F)2 crystallizes in the cubic P4_332 space group. The structure is three-dimensional. Ca2+ is bonded in a 8-coordinate geometry to six O2- and two equivalent F1- atoms. There are a spread of Ca–O bond distances ranging from 2.49–2.77 Å. Both Ca–F bond lengths are 2.25 Å. There are two inequivalent Nb5+ sites. In the first Nb5+ site, Nb5+ is bonded to six O2- atoms to form corner-sharing NbO6 octahedra. The corner-sharing octahedra tilt angles range...
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