Room-Temperature Structure of K_2Ba (NO_2)_4

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概要

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• The room-temperature structure of KzBa(NO.). has been determined by anX-ray structure analysis. The three dimensional data were collected by a four-circle diffractometer with Mo-Ka radiation monochromatized by a pyrolyticgraphite. The space group is Pbam(Z=2) and the lattice constants are a=6.6O4(2), b=11.427 (3) and c=6.161 (])A, respectively. Using the anisotropic thermalparameters, the final discrepancy factor of 0.038 was obtained. Three non-equivalent NO. sites are found in a unit cell, in which one NO. site is an orderedstate and other two NO. sites are a disordered state. It is suggested from thepresent structure analysis that the phase transitions of this compound are causedby the ordering of the orientational disordered NO. molecules.

• 社団法人日本物理学会の論文
• 1983-10-15

著者

• Harada Mitsuo

  Research Reactor Institute Kyoto University

関連論文

• Successive Jahn-Teller Phase Transitions in RbCuCl_3
• Jahn-Teller Phase Transitions in RbCuCl_3
• Room-Temperature Structure of K_2Ba (NO_2)_4

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