Materials Data on Ca2Mg by Materials Project

Ca2Mg crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded to nine Ca and three Mg atoms to form distorted CaCa9Mg3 cuboctahedra that share corners with twelve CaCa9Mg3 cuboctahedra, edges with five CaCa7Mg5 cuboctahedra, and faces with ten CaCa9Mg3 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.71–3.84 Å. There are two shorter (3.51 Å) and...
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