207Pb NMR of Solid Solutions of Divalent Metal Nitrates

Young Sik Kye; Gerard S. Harbison

doi:10.1021/ic9805527

²⁰⁷Pb NMR of Solid Solutions of Divalent Metal Nitrates

Young Sik Kye, Gerard S. Harbison

Chemistry

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

²⁰⁷Pb NMR spectra of mixed crystals of anhydrous lead and strontium nitrate show up to 13 lines, arising from lead ions with 0-12 Pb²⁺ nearest-neighbor cations replaced by Sr^2-. The shifted lines are further split by the multiplicity of inequivalent nearest-neighbor replacements. The average shift per Sr²⁺ ion is 21.8 ppm. Similar but somewhat smaller effects are seen in [Pb,Ba](NO₃)₂ mixed crystals. The intensities of the resonances can be fit to Monte Carlo models of Pb^2- and Sr²⁺ ion distributions and are consistent with like nearest-neighbor pairs being 120 J/mol lower in energy than unlike pairs.

Original language	English (US)
Pages (from-to)	6030-6031
Number of pages	2
Journal	Inorganic Chemistry
Volume	37
Issue number	23
DOIs	https://doi.org/10.1021/ic9805527
State	Published - 1998

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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abstract = "207Pb NMR spectra of mixed crystals of anhydrous lead and strontium nitrate show up to 13 lines, arising from lead ions with 0-12 Pb2+ nearest-neighbor cations replaced by Sr2-. The shifted lines are further split by the multiplicity of inequivalent nearest-neighbor replacements. The average shift per Sr2+ ion is 21.8 ppm. Similar but somewhat smaller effects are seen in [Pb,Ba](NO3)2 mixed crystals. The intensities of the resonances can be fit to Monte Carlo models of Pb2- and Sr2+ ion distributions and are consistent with like nearest-neighbor pairs being 120 J/mol lower in energy than unlike pairs.",

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AU - Harbison, Gerard S.

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AB - 207Pb NMR spectra of mixed crystals of anhydrous lead and strontium nitrate show up to 13 lines, arising from lead ions with 0-12 Pb2+ nearest-neighbor cations replaced by Sr2-. The shifted lines are further split by the multiplicity of inequivalent nearest-neighbor replacements. The average shift per Sr2+ ion is 21.8 ppm. Similar but somewhat smaller effects are seen in [Pb,Ba](NO3)2 mixed crystals. The intensities of the resonances can be fit to Monte Carlo models of Pb2- and Sr2+ ion distributions and are consistent with like nearest-neighbor pairs being 120 J/mol lower in energy than unlike pairs.

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²⁰⁷Pb NMR of Solid Solutions of Divalent Metal Nitrates

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