Materials Data on CaMnSn by Materials Project
CaMnSn is Matlockite structured and crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Ca is bonded in a 9-coordinate geometry to four equivalent Mn and five equivalent Sn atoms. All Ca–Mn bond lengths are 3.28 Å. There are four shorter (3.29 Å) and one longer (3.37 Å) Ca–Sn bond lengths. Mn is bonded in a 4-coordinate geometry to four equivalent Ca and four equivalent Sn atoms. All Mn–Sn bond lengths are 2.78 Å. Sn is bonded in a 9-coordinate geometry to five equivalent Ca and four equivalent Mn atoms.
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