Materials Data on Pr2MgSe4 by Materials Project
收藏DataCite Commons2021-02-04 更新2025-04-09 收录
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https://www.osti.gov/servlets/purl/1754616/
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资源简介:
MgPr2Se4 is Spinel structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Mg2+ is bonded to four equivalent Se2- atoms to form MgSe4 tetrahedra that share corners with twelve equivalent PrSe6 octahedra. The corner-sharing octahedral tilt angles are 55°. All Mg–Se bond lengths are 2.66 Å. Pr3+ is bonded to six equivalent Se2- atoms to form PrSe6 octahedra that share corners with six equivalent MgSe4 tetrahedra and edges with six equivalent PrSe6 octahedra. All Pr–Se bond lengths are 2.99 Å. Se2- is bonded in a distorted rectangular see-saw-like geometry to one Mg2+ and three equivalent Pr3+ atoms.
提供机构:
LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
创建时间:
2020-12-31



