Materials Data on La2Re2Si2C by Materials Project
La2Re2Si2C crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. La3+ is bonded in a 2-coordinate geometry to five equivalent Si4- and two equivalent C4- atoms. There are one shorter (3.18 Å) and four longer (3.25 Å) La–Si bond lengths. Both La–C bond lengths are 2.77 Å. Re3+ is bonded in a single-bond geometry to three equivalent Si4- and one C4- atom. There are one shorter (2.46 Å) and two longer (2.47 Å) Re–Si bond lengths. The Re–C bond length is 1.96 Å. Si4- is bonded in a 9-coordinate geometry to five equivalent La3+ and three equivalent Re3+ atoms. C4- is bonded to four equivalent La3+ and two equivalent Re3+ atoms to form edge-sharing CLa4Re2 octahedra.
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