Materials Data on ErSi2 by Materials Project
ErSi2 is hexagonal omega structure structured and crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Er is bonded to twelve equivalent Si atoms to form a mixture of edge and face-sharing ErSi12 cuboctahedra. All Er–Si bond lengths are 3.06 Å. Si is bonded in a 9-coordinate geometry to six equivalent Er and three equivalent Si atoms. All Si–Si bond lengths are 2.36 Å.
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