Synthesis and Crystal Structure of Lithium Beryllium Deuteride Li<sub>2</sub>BeD<sub>4</sub>
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Single-phase ternary deuteride Li2BeD4 was synthesized by a high-pressure high-temperature technique from LiD and BeD2. The crystal structure of Li2BeD4 was solved from X-ray and neutron powder diffraction data. The compound crystallizes in the monoclinic space group P21/c with lattice parameters a = 7.06228(9) Å, b = 8.3378(1) Å, c = 8.3465(1) Å, β =93.577(1)°, and Z = 8. Its structure contains isolated BeD4 tetrahedra and Li atoms that are located in the structure interstices. Li2BeD4 does not undergo any structural phase transitions at temperatures down to 8 K.
创建时间：
2016-05-06
