Structure of the intercalate NaWO2Cl2

I. Abrahams, J. L. Nowinski, P. G. Bruce, V. C. Gibson

Research output: Contribution to journalArticle

Abstract

NaWO2Cl2, Fw = 309.74, is formed by the intercalation of sodium into WO2Cl2. The structure of the intercalate has been determined using a combination of constant wavelength and time-of flight powder neutron diffraction data. NaWO2Cl2 adopts orthorhombic symmetry, space group Ammm (No. 65), with a = 3.7943(3), b = 3.8006(4), and c = 15.739(1) Å; Z = 2; V = 226.96 Å3; and Dcal = 4.53 g cm-3. The structure consists of blocks, each containing a layer of both W and O atoms sandwiched between two layers of Cl atoms. The trilayer blocks [ClWO2Cl] are stacked in the direction perpendicular to the layers, i.e., parallel to the c-axis, and are separated by Na+ ions located in two sets of sites between adjacent chlorine layers. The basic structure is related to that of the parent material WO2Cl2 by a displacement of the [ClWO2Cl] blocks in the basal plane. © 1991.

Original languageEnglish
Pages (from-to)254-259
Number of pages6
JournalJournal of Solid State Chemistry
Volume94
Issue number2
Publication statusPublished - Oct 1991

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