Struktur und Schwingungsspektrum des α-Undekawolframatophosphats Na2[N(CH3)4]4HPW11O39 · 7H2O / Structure and Vibrational Spectrum of the α-Undecatungstophosphate Na2[N(CH3)4]4HPW11O39 · 7H2O
Open Access
- 1 May 1981
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 36 (5) , 544-550
- https://doi.org/10.1515/znb-1981-0504
Abstract
The crystal structure of the compound Na2[N(CH3)4]4HPW11O39 · 7H2O was solved by X-ray diffraction. It crystallizes in the space group C2/m with lattice parameters a= 23.895 Å, b = 11.417 Å, c = 28.930 Å, β= 126.0°. The distances between the tungsten atoms and the kind of bridging by oxygen atoms prove the α-isomer. The differences between the vibration spectra of α-undecatungsto-phosphate and α-dodecatungstophosphate are discussedKeywords
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