Issue 3, 2001
From the journal:

Journal of Materials Chemistry

Barbara A. Reisner,‡*ab   Akhilesh Tripathic  and  John B. Parisebc  

* Corresponding authors

a Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland, USA

b Department of Geosciences, State University of New York, Stony Brook, New York, USA

c Department of Chemistry, State University of New York, Stony Brook, New York, USA

Abstract

A new layered germanate, Na8[Zn4Ge8O18(OH)12]·2H2O, has been synthesized from an aqueous solution containing germanium dioxide, zinc acetate and sodium hydroxide. Room temperature single crystal X-ray diffraction data indicate an orthorhombic cell with a = 13.036(3) Å, b = 8.7286(17) Å, c = 12.938(3) Å, space group Pbcn (no. 60), and Z = 4. Chains of orthogonal four-rings, consisting of corner-sharing [Ge2Zn2] units bridged at the zinc centers, are connected to form a new tetrahedral sheet structure containing bifurcated 10-membered rings and the unique building blocks, [GeOn(OH)4 − n] (n = 1, 2). The zincogermanate sheets are stacked along the c-axis and connected both by Na–O electrostatic interactions and a hydrogen bonding network composed of bound water molecules and terminal hydroxide anions.

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Article information

DOI
https://doi.org/10.1039/B004668J
Article type
Paper
Submitted
12 Jun 2000
Accepted
13 Sep 2000
First published
29 Jan 2001

J. Mater. Chem., 2001,11, 887-890

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Na8[Zn4Ge8O18(OH)12]·2H2O: An interrupted-framework zincogermanate built from [GeO3(OH)] and [Ge2(OH)2] units

B. A. Reisner, A. Tripathi and J. B. Parise, J. Mater. Chem., 2001, 11, 887 DOI: 10.1039/B004668J

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