Comparative Study of the Structural, Electronic, and Magnetic Properties of the Layered Ternary Vanadium Oxides CaV4O9, Cs2V4O9, and [H2N(CH2)4NH2]V4O 9

Yiping Zhang; Christopher J. Warren; Robert C. Haushalter; Abraham Clearfield; Dong Kyun Seo; Myung Hwan Whangbo

Comparative Study of the Structural, Electronic, and Magnetic Properties of the Layered Ternary Vanadium Oxides CaV₄O₉, Cs₂V₄O₉, and [H₂N(CH₂)₄NH₂]V₄O ₉

Yiping Zhang, Christopher J. Warren, Robert C. Haushalter, Abraham Clearfield, Dong Kyun Seo, Myung Hwan Whangbo

Arizona State University

Research output: Contribution to journal › Article

48 Citations (Scopus)

Abstract

We report the preparation, single-crystal X-ray structure determination, and magnetic susceptibility measurements of a new ternary vanadium oxide, [H₂N(CH₂)₄NH₂]V₄O ₉. This compound has isolated V₄O₉^2- layers made up of edge-sharing VO₅ square pyramids. The V₄O₉^2- layers of [H₂N(CH₂)₄NH₂]V₄O ₉ ([H₂N(CH₂)₄NH₂] = piperidinium) differ from those of two other ternary vanadium oxides, CaV₄O₉ and A₂V₄O₉ (A = Rb, Cs), in the way the VO₅ square pyramids are shared, and the magnetic susceptibilities of the three oxides are widely different in their maximum susceptibility values and the temperatures where these values occur. To explain these observations, the electronic structures of the three oxides were analyzed based on molecular orbital calculations.

Original language	English
Pages (from-to)	1059-1064
Number of pages	6
Journal	Chemistry of Materials
Volume	10
Issue number	4
Publication status	Published - Apr 1 1998

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Chemistry

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Zhang, Y., Warren, C. J., Haushalter, R. C., Clearfield, A., Seo, D. K., & Whangbo, M. H. (1998). Comparative Study of the Structural, Electronic, and Magnetic Properties of the Layered Ternary Vanadium Oxides CaV₄O₉, Cs₂V₄O₉, and [H₂N(CH₂)₄NH₂]V₄O ₉. Chemistry of Materials, 10(4), 1059-1064.

Comparative Study of the Structural, Electronic, and Magnetic Properties of the Layered Ternary Vanadium Oxides CaV₄O₉, Cs₂V₄O₉, and [H₂N(CH₂)₄NH₂]V₄O ₉. / Zhang, Yiping; Warren, Christopher J.; Haushalter, Robert C.; Clearfield, Abraham; Seo, Dong Kyun; Whangbo, Myung Hwan.

In: Chemistry of Materials, Vol. 10, No. 4, 01.04.1998, p. 1059-1064.

Research output: Contribution to journal › Article

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abstract = "We report the preparation, single-crystal X-ray structure determination, and magnetic susceptibility measurements of a new ternary vanadium oxide, [H2N(CH2)4NH2]V4O 9. This compound has isolated V4O92- layers made up of edge-sharing VO5 square pyramids. The V4O92- layers of [H2N(CH2)4NH2]V4O 9 ([H2N(CH2)4NH2] = piperidinium) differ from those of two other ternary vanadium oxides, CaV4O9 and A2V4O9 (A = Rb, Cs), in the way the VO5 square pyramids are shared, and the magnetic susceptibilities of the three oxides are widely different in their maximum susceptibility values and the temperatures where these values occur. To explain these observations, the electronic structures of the three oxides were analyzed based on molecular orbital calculations.",

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