(a) Crystal structure of Mg3X2
, the right figure is viewed from  direction. Drawn using VESTA
]. The coordination of Mg1, Mg2, and X
is presented below the crystal structure. (b) Static deformation electron density map on (110) plane of Mg3
. (c) The partial charge densities for Mg3
. Panel (b) is reproduced with permission from Ref. [121
]. CC-BY-4.0. Panel (c) is reproduced with permission from Ref. [116
]. Copyright 2019 Wiley Periodicals, Inc.