Materials Data on SmTlCd by Materials Project
SmCdTl crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Sm is bonded to six equivalent Cd and six equivalent Tl atoms to form a mixture of face and edge-sharing SmTl6Cd6 cuboctahedra. All Sm–Cd bond lengths are 3.43 Å. All Sm–Tl bond lengths are 3.43 Å. Cd is bonded in a 9-coordinate geometry to six equivalent Sm and three equivalent Tl atoms. All Cd–Tl bond lengths are 2.90 Å. Tl is bonded in a 9-coordinate geometry to six equivalent Sm and three equivalent Cd atoms.
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