Crystal structure analysis of novel complex hydrides formed by the combination of LiBH4 and LiNH2

T. Noritake; M. Aoki; S. Towata; A. Ninomiya; Y. Nakamori; Shin-Ichi Orimo

doi:10.1007/s00339-006-3500-9

Crystal structure analysis of novel complex hydrides formed by the combination of LiBH₄ and LiNH₂

T. Noritake, M. Aoki, S. Towata, A. Ninomiya, Y. Nakamori, Shin-Ichi Orimo

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

72 Citations (Scopus)

Abstract

Combination of LiBH₄ and LiNH₂ by ball milling forms the series of novel complex hydrides Li₂BNH₆, Li ₃BN₂H₈ and Li₄BN₃H ₁₀, depending on the combination ratios. The crystal structure of Li₄BN₃H₁₀ analyzed by synchrotron X-raydiffraction measurements is determined to be a cubic system (space group: I2₁3) with the lattice constant of a=10.673(2)Å. It should be emphasized that Li₄BN₃H₁₀ is an ionic crystal which is composed of a lithium cation Li⁺ and two different kinds of the complex anion [BH₄]^- and [NH₂]^-. These anions are located in the vertex and face-center of the cubic sub-lattice, and the lithium cation Li⁺ in the interstitial site between the anions, respectively. The other series of complex hydrides, Li ₂BNH₆ and Li₃BN₂H₈, are also predicted to possess similar structures composed of a lithium cation Li⁺ and two different kinds of the complex anion [BH ₄]^- and [NH₂]^-.

Original language	English
Pages (from-to)	277-279
Number of pages	3
Journal	Applied Physics A: Materials Science and Processing
Volume	83
Issue number	2
DOIs	https://doi.org/10.1007/s00339-006-3500-9
Publication status	Published - 2006 May 1

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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title = "Crystal structure analysis of novel complex hydrides formed by the combination of LiBH4 and LiNH2",

abstract = "Combination of LiBH4 and LiNH2 by ball milling forms the series of novel complex hydrides Li2BNH6, Li 3BN2H8 and Li4BN3H 10, depending on the combination ratios. The crystal structure of Li4BN3H10 analyzed by synchrotron X-raydiffraction measurements is determined to be a cubic system (space group: I213) with the lattice constant of a=10.673(2){\AA}. It should be emphasized that Li4BN3H10 is an ionic crystal which is composed of a lithium cation Li+ and two different kinds of the complex anion [BH4]- and [NH2]-. These anions are located in the vertex and face-center of the cubic sub-lattice, and the lithium cation Li+ in the interstitial site between the anions, respectively. The other series of complex hydrides, Li 2BNH6 and Li3BN2H8, are also predicted to possess similar structures composed of a lithium cation Li+ and two different kinds of the complex anion [BH 4]- and [NH2]-.",

author = "T. Noritake and M. Aoki and S. Towata and A. Ninomiya and Y. Nakamori and Shin-Ichi Orimo",

year = "2006",

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doi = "10.1007/s00339-006-3500-9",

language = "English",

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journal = "Applied Physics A: Materials Science and Processing",

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T1 - Crystal structure analysis of novel complex hydrides formed by the combination of LiBH4 and LiNH2

AU - Noritake, T.

AU - Aoki, M.

AU - Towata, S.

AU - Ninomiya, A.

AU - Nakamori, Y.

AU - Orimo, Shin-Ichi

PY - 2006/5/1

Y1 - 2006/5/1

N2 - Combination of LiBH4 and LiNH2 by ball milling forms the series of novel complex hydrides Li2BNH6, Li 3BN2H8 and Li4BN3H 10, depending on the combination ratios. The crystal structure of Li4BN3H10 analyzed by synchrotron X-raydiffraction measurements is determined to be a cubic system (space group: I213) with the lattice constant of a=10.673(2)Å. It should be emphasized that Li4BN3H10 is an ionic crystal which is composed of a lithium cation Li+ and two different kinds of the complex anion [BH4]- and [NH2]-. These anions are located in the vertex and face-center of the cubic sub-lattice, and the lithium cation Li+ in the interstitial site between the anions, respectively. The other series of complex hydrides, Li 2BNH6 and Li3BN2H8, are also predicted to possess similar structures composed of a lithium cation Li+ and two different kinds of the complex anion [BH 4]- and [NH2]-.

AB - Combination of LiBH4 and LiNH2 by ball milling forms the series of novel complex hydrides Li2BNH6, Li 3BN2H8 and Li4BN3H 10, depending on the combination ratios. The crystal structure of Li4BN3H10 analyzed by synchrotron X-raydiffraction measurements is determined to be a cubic system (space group: I213) with the lattice constant of a=10.673(2)Å. It should be emphasized that Li4BN3H10 is an ionic crystal which is composed of a lithium cation Li+ and two different kinds of the complex anion [BH4]- and [NH2]-. These anions are located in the vertex and face-center of the cubic sub-lattice, and the lithium cation Li+ in the interstitial site between the anions, respectively. The other series of complex hydrides, Li 2BNH6 and Li3BN2H8, are also predicted to possess similar structures composed of a lithium cation Li+ and two different kinds of the complex anion [BH 4]- and [NH2]-.

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