Gstir Thomas, Kahlenberg Volker, Krüger Hannes, Penner Simon
University of Innsbruck, Institute of Mineralogy & Petrography, Innrain 52, A-6020 Innsbruck, Austria.
University of Innsbruck, Department of Physical Chemistry, Innrain 52c, A-6020 Innsbruck, Austria.
Acta Crystallogr E Crystallogr Commun. 2020 Apr 17;76(Pt 5):664-667. doi: 10.1107/S205698902000496X. eCollection 2020 May 1.
Single crystals of SrFeVO, strontium tetra-oxidodi[ferrate(III)/vanad-ate(III)], have been obtained as a side product in the course of sinter experiments aimed at the synthesis of double perovskites in the system SrO-FeO-VO. The crystal structure can be characterized by layers of six-membered rings of O-tetra-hedra (: Fe, V) perpendicular to [100]. Stacking of the layers along [100] results in a three-dimensional framework enclosing tunnel-like cavities in which Sr cations are incorporated for charge compensation. The sequence of directedness of up () and down () pointing vertices of neighboring tetra-hedra in a single six-membered ring is . The topology of the tetra-hedral framework belongs to the zeolite-type ABW.
四氧化二[铁（III）/钒（III）]锶（SrFeVO）单晶是在旨在合成SrO-FeO-VO体系中双钙钛矿的烧结实验过程中作为副产物获得的。晶体结构的特征是由垂直于[100]的O四面体（:Fe, V）六元环层组成。这些层沿着[100]堆叠形成三维框架，其中包含隧道状空洞，Sr阳离子掺入其中以进行电荷补偿。单个六元环中相邻四面体向上（）和向下（）指向顶点的方向性序列为 。四面体框架的拓扑结构属于沸石型ABW。
