Materials Data on Sm2CuSe2F by Materials Project
Sm2CuSe2F crystallizes in the tetragonal P4/mmm space group. The structure is one-dimensional and consists of one Sm2CuSe2F ribbon oriented in the (0, 0, 1) direction. Sm2+ is bonded in a linear geometry to one Se2- and one F1- atom. The Sm–Se bond length is 2.73 Å. The Sm–F bond length is 2.27 Å. Cu1+ is bonded in a linear geometry to two equivalent Se2- atoms. Both Cu–Se bond lengths are 2.24 Å. Se2- is bonded in a linear geometry to one Sm2+ and one Cu1+ atom. F1- is bonded in a linear geometry to two equivalent Sm2+ atoms.
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