DOI: 10.17188/1680622
title: Materials Data on Ce18C18Cl11 by Materials Project

description: Ce18C18Cl11 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are nine inequivalent Ce+3.06+ sites. In the first Ce+3.06+ site, Ce+3.06+ is bonded to five C+2.44- and three Cl1- atoms to form a mixture of distorted face and corner-sharing CeC5Cl3 hexagonal bipyramids. There are a spread of Ce–C bond distances ranging from 2.33–2.67 Å. There are a spread of Ce–Cl bond distances ranging from 2.90–3.16 Å. In the second Ce+3.06+ site, Ce+3.06+ is bonded in a 8-coordinate geometry to five C+2.44- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.32–2.70 Å. There are a spread of Ce–Cl bond distances ranging from 2.95–3.20 Å. In the third Ce+3.06+ site, Ce+3.06+ is bonded in a 8-coordinate geometry to five C+2.44- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.34–2.61 Å. There are a spread of Ce–Cl bond distances ranging from 2.87–3.17 Å. In the fourth Ce+3.06+ site, Ce+3.06+ is bonded in a 1-coordinate geometry to five C+2.44- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.30–2.88 Å. There are a spread of Ce–Cl bond distances ranging from 3.09–3.24 Å. In the fifth Ce+3.06+ site, Ce+3.06+ is bonded in a 9-coordinate geometry to six C+2.44- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.54–2.70 Å. There are a spread of Ce–Cl bond distances ranging from 2.95–3.30 Å. In the sixth Ce+3.06+ site, Ce+3.06+ is bonded in a 1-coordinate geometry to five C+2.44- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.31–2.89 Å. There are a spread of Ce–Cl bond distances ranging from 3.01–3.23 Å. In the seventh Ce+3.06+ site, Ce+3.06+ is bonded in a distorted q4 geometry to six C+2.44- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.56–2.70 Å. There are a spread of Ce–Cl bond distances ranging from 2.95–3.25 Å. In the eighth Ce+3.06+ site, Ce+3.06+ is bonded in a 2-coordinate geometry to four C+2.44- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.31–2.63 Å. There are a spread of Ce–Cl bond distances ranging from 3.04–3.41 Å. In the ninth Ce+3.06+ site, Ce+3.06+ is bonded in a 6-coordinate geometry to four C+2.44- and two Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.31–2.63 Å. There are one shorter (3.02 Å) and one longer (3.21 Å) Ce–Cl bond lengths. There are nine inequivalent C+2.44- sites. In the first C+2.44- site, C+2.44- is bonded in a 6-coordinate geometry to five Ce+3.06+ and one C+2.44- atom. The C–C bond length is 1.40 Å. In the second C+2.44- site, C+2.44- is bonded in a 6-coordinate geometry to five Ce+3.06+ and one C+2.44- atom. The C–C bond length is 1.39 Å. In the third C+2.44- site, C+2.44- is bonded to five Ce+3.06+ and one C+2.44- atom to form distorted corner-sharing CCe5C octahedra. The corner-sharing octahedra tilt angles range from 66–67°. The C–C bond length is 1.39 Å. In the fourth C+2.44- site, C+2.44- is bonded in a 6-coordinate geometry to five Ce+3.06+ and one C+2.44- atom. In the fifth C+2.44- site, C+2.44- is bonded in a 6-coordinate geometry to five Ce+3.06+ and one C+2.44- atom. The C–C bond length is 1.40 Å. In the sixth C+2.44- site, C+2.44- is bonded in a 6-coordinate geometry to five Ce+3.06+ and one C+2.44- atom. The C–C bond length is 1.39 Å. In the seventh C+2.44- site, C+2.44- is bonded in a 6-coordinate geometry to five Ce+3.06+ and one C+2.44- atom. In the eighth C+2.44- site, C+2.44- is bonded to five Ce+3.06+ and one C+2.44- atom to form distorted corner-sharing CCe5C octahedra. The corner-sharing octahedra tilt angles range from 66–67°. In the ninth C+2.44- site, C+2.44- is bonded in a 6-coordinate geometry to five Ce+3.06+ and one C+2.44- atom. There are six inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four Ce+3.06+ atoms. In the second Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ce+3.06+ atoms. In the third Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ce+3.06+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 6-coordinate geometry to six Ce+3.06+ atoms. In the fifth Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four Ce+3.06+ atoms. In the sixth Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ce+3.06+ atoms.