Materials Data on La8C8Cl5 by Materials Project

Abstract

La8C8Cl5 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 6-coordinate geometry to four C+2.38- and two Cl1- atoms. There are a spread of La–C bond distances ranging from 2.44–2.75 Å. There are one shorter (3.10 Å) and one longer (3.25 Å) La–Cl bond lengths. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.38- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.44–2.83 Å. There are a spread of La–Cl bond distances ranging from 2.97–3.24 Å. In the third La3+ site, La3+ is bonded in a distorted q4 geometry to six C+2.38- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.64–2.86 Å. There are a spread of La–Cl bond distances ranging from 2.99–3.29 Å. In the fourth La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.38- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.43–3.02 Å. There are two shorter (3.09 Å) and one longer (3.30 Å) La–Cl bond lengths. There are four inequivalent C+2.38- sites. In the first C+2.38- site, C+2.38- is bonded to five La3+ and one C+2.38- atom to form distorted corner-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 67°. The C–C bond length is 1.35 Å. In the second C+2.38- site, C+2.38- is bonded in a 6-coordinate geometry to five La3+ and one C+2.38- atom. The C–C bond length is 1.35 Å. In the third C+2.38- site, C+2.38- is bonded in a 6-coordinate geometry to five La3+ and one C+2.38- atom. In the fourth C+2.38- site, C+2.38- is bonded in a 6-coordinate geometry to five La3+ and one C+2.38- atom. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five La3+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four La3+ atoms. In the third Cl1- site, Cl1- is bonded in a distorted square co-planar geometry to four La3+ atoms.