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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis, crystal structure, and physical properties of (Ca3N)Tl
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Synthesis, crystal structure, and physical properties of (Ca3N)Tl

机译:(Ca3N)T1的合成,晶体结构和物理性质

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Single crystals of (Ca3N)Tl (Pm (3) over barm, No.221, a = 4.9851(3) Angstrom; Z = 1) with a metallic luster and black single phase powders of the ternary nitride were obtained from reactions of the respective metals with nitrogen at maximum temperatures of 950 degreesC. (Ca3N)Tl crystallizes in an anti-perovskite-type arrangement. The magnetic susceptibility is nearly temperature independent (+170(10) . 10(-6) emu/mol). Metallic behavior is supported by band structure calculations on the LDA LMTO-ASA level of theory. Chemical bonding is analyzed and the results are compared with the isotypic nitrides (Ca3N)Pb and (Ca3N)Bi. [References: 30]
机译:(Ca3N)T1(Pm(3)over barm,No.221,a = 4.9851(3)Ang; Z = 1)的单晶具有金属光泽和黑色单相粉末的三元氮化物。最高温度为950摄氏度的氮气中的各种金属。 (Ca 3 N)T1以反钙钛矿型排列结晶。磁化率几乎与温度无关(+170(10)。10(-6)emu / mol)。在LDA LMTO-ASA理论水平上,能带结构计算支持金属行为。分析化学键合并将结果与​​同型氮化物(Ca3N)Pb和(Ca3N)Bi进行比较。 [参考:30]

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