Structural analysis of some molten materials by X-ray diffraction. Part 4.—Alkali nitrates RNO3(R = Li, Na, K, Rb, Cs and Ag)
- 1 January 1978
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 74, 297-305
- https://doi.org/10.1039/f19787400297
Abstract
The structures of molten LiNO3, NaNO3, KNO3, RbNO3, CsNO3 and AgNO3 have been investigated by deriving the radial distribution function from X-ray diffraction data. The existence of NO– 3 ions in these molten salts was confirmed by analysis of the first peaks of the radial distribution functions. Nitrate ions and cations could have a diamond (or zinc blende)-like arrangement with 25 % random vacancies in molten NaNO3, KNO3, RbNO3 and CsNO3. On the other hand, nitrate ions and cations could have a simple cubic (or NaCl)-like arrangement in molten AgNO3 and LiNO3.Keywords
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