Chemical Bonding of Thorium Monocarbide

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概要

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• The magnetic susceptibility of non-stoichiometric thorium monocarbide having compositions between ThC<SUB>0.72</SUB> and ThC<SUB>0.96</SUB> was measured at various temperatures. The susceptibility showed weak paramagnetism independent of temperature, which increased with decreasing carbon content (χ<SUB>mole</SUB>=6.0 X10<SUP>-5</SUP> emu for ThC<SUB>0.72</SUB>, 4.1X10<SUP>-5</SUP> emu for ThC<SUB>0.96</SUB>). The bonding of Th-Th, Th-C and C-C is discussed with the aid of a metallic bonding model applied to the compound. The bond energies of Th-Th and Th-C have been analyzed on the basis of Paulings scheme, and evaluat-ed to be -51 kcal/mole and -271 kcal/mole respectively, at a composition of ThC<SUB>0.95</SUB>. The narrow band of ThC is examined from measured results of magnetic susceptibility.

著者

• Tamaki Shigeru

  The Research Institute For Iron Steel And Other Metals

• TAMAKI Shigeru

  The Research Institute for Iron, Steel and Other Metals, Tohoku University

• SATOW Tsuneo

  Department of Chemistry, College of General Education, Tohoku University

関連論文

• Localized Impurity States in Liquid Metals : Dilute Alloys of Nickel in Liquid Bismuth
• Chemical Bonding of Thorium Monocarbide
• Localized Impurity States in Liquid Metals : Paramagnetic Susceptibilities of Manganese in Liquid Metals

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