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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ce3CCl5 by Materials Project

Ce3CCl5 is Baddeleyite-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Ce3+ sites. In the first Ce3+ site, Ce3+ is bonded in a 7-coordinate geometry to two equivalent C4- and five Cl1- atoms. There are one shorter (2.37 Å) and one longer (2.40 Å) Ce–C bond lengths. There are a spread of Ce–Cl bond distances ranging from 2.93–3.40 Å. In the second Ce3+ site, Ce3+ is bonded in a 7-coordinate geometry to one C4- and six Cl1- atoms. The Ce–C bond length is 2.32 Å. There are a spread of Ce–Cl bond distances ranging from 2.87–3.22 Å. In the third Ce3+ site, Ce3+ is bonded in a 7-coordinate geometry to one C4- and six Cl1- atoms. The Ce–C bond length is 2.32 Å. There are a spread of Ce–Cl bond distances ranging from 2.81–3.35 Å. C4- is bonded to four Ce3+ atoms to form CCe4 tetrahedra that share corners with three equivalent ClCe4 tetrahedra, an edgeedge with one CCe4 tetrahedra, and an edgeedge with one ClCe4 tetrahedra. There are five inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Ce3+ atoms. In the second Cl1- site, Cl1- is bonded to four Ce3+ atoms to form distorted ClCe4 tetrahedra that share corners with three equivalent CCe4 tetrahedra, an edgeedge with one CCe4 tetrahedra, and an edgeedge with one ClCe4 tetrahedra. In the third Cl1- site, Cl1- is bonded in a distorted trigonal non-coplanar geometry to three Ce3+ atoms. In the fourth Cl1- site, Cl1- is bonded in a distorted trigonal non-coplanar geometry to three Ce3+ atoms. In the fifth Cl1- site, Cl1- is bonded in a distorted trigonal non-coplanar geometry to three Ce3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce8C8Cl5 by Materials Project

Ce8C8Cl5 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent Ce+3.12+ sites. In the first Ce+3.12+ site, Ce+3.12+ is bonded in a 9-coordinate geometry to six C+2.50- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.54–2.72 Å. There are two shorter (2.95 Å) and one longer (3.26 Å) Ce–Cl bond lengths. In the second Ce+3.12+ site, Ce+3.12+ is bonded to five C+2.50- 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 2.34–2.67 Å. There are a spread of Ce–Cl bond distances ranging from 2.90–3.16 Å. In the third Ce+3.12+ site, Ce+3.12+ is bonded in a 1-coordinate geometry to five C+2.50- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.32–2.89 Å. There are a spread of Ce–Cl bond distances ranging from 3.01–3.21 Å. In the fourth Ce+3.12+ site, Ce+3.12+ is bonded in a 2-coordinate geometry to four C+2.50- and three Cl1- atoms. There are a spread of Ce–C bond distances ranging from 2.32–2.62 Å. There are a spread of Ce–Cl bond distances ranging from 3.02–3.42 Å. There are four inequivalent C+2.50- sites. In the first C+2.50- site, C+2.50- is bonded to five Ce+3.12+ and one C+2.50- atom to form distorted corner-sharing CCe5C octahedra. The corner-sharing octahedral tilt angles are 66°. The C–C bond length is 1.39 Å. In the second C+2.50- site, C+2.50- is bonded in a 6-coordinate geometry to five Ce+3.12+ and one C+2.50- atom. In the third C+2.50- site, C+2.50- is bonded in a 6-coordinate geometry to five Ce+3.12+ and one C+2.50- atom. The C–C bond length is 1.39 Å. In the fourth C+2.50- site, C+2.50- is bonded in a 6-coordinate geometry to five Ce+3.12+ and one C+2.50- atom. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ce+3.12+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four Ce+3.12+ atoms. In the third Cl1- site, Cl1- is bonded in a 6-coordinate geometry to six Ce+3.12+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce5C2Cl9 by Materials Project

Ce5C2Cl9 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent Ce3+ sites. In the first Ce3+ site, Ce3+ is bonded in a 6-coordinate geometry to one C3- and five Cl1- atoms. The Ce–C bond length is 2.37 Å. There are a spread of Ce–Cl bond distances ranging from 2.86–3.29 Å. In the second Ce3+ site, Ce3+ is bonded to two C3- and five Cl1- atoms to form distorted corner-sharing CeC2Cl5 pentagonal bipyramids. There are one shorter (2.43 Å) and one longer (2.50 Å) Ce–C bond lengths. There are a spread of Ce–Cl bond distances ranging from 2.94–3.13 Å. In the third Ce3+ site, Ce3+ is bonded in a 8-coordinate geometry to two C3- and six Cl1- atoms. There are one shorter (2.45 Å) and one longer (2.49 Å) Ce–C bond lengths. There are a spread of Ce–Cl bond distances ranging from 2.93–3.49 Å. In the fourth Ce3+ site, Ce3+ is bonded in a 8-coordinate geometry to two C3- and six Cl1- atoms. There are one shorter (2.45 Å) and one longer (2.51 Å) Ce–C bond lengths. There are a spread of Ce–Cl bond distances ranging from 2.90–3.37 Å. In the fifth Ce3+ site, Ce3+ is bonded in a 7-coordinate geometry to one C3- and six Cl1- atoms. The Ce–C bond length is 2.39 Å. There are a spread of Ce–Cl bond distances ranging from 2.77–3.28 Å. There are two inequivalent C3- sites. In the first C3- site, C3- is bonded in a 5-coordinate geometry to four Ce3+ and one C3- atom. The C–C bond length is 1.48 Å. In the second C3- site, C3- is bonded in a 5-coordinate geometry to four Ce3+ and one C3- atom. There are ten inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Ce3+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted L-shaped geometry to two Ce3+ atoms. In the third Cl1- site, Cl1- is bonded in an L-shaped geometry to two Ce3+ atoms. In the fourth Cl1- site, Cl1- is bonded in a distorted trigonal non-coplanar geometry to three Ce3+ atoms. In the fifth Cl1- site, Cl1- is bonded in a distorted see-saw-like geometry to four Ce3+ atoms. In the sixth Cl1- site, Cl1- is bonded in a distorted trigonal planar geometry to three Ce3+ atoms. In the seventh Cl1- site, Cl1- is bonded in a distorted trigonal pyramidal geometry to four Ce3+ atoms. In the eighth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Ce3+ atoms. In the ninth Cl1- site, Cl1- is bonded in a distorted square co-planar geometry to four Ce3+ atoms. In the tenth Cl1- site, Cl1- is bonded in an L-shaped geometry to two Ce3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce2C2Cl by Materials Project

Ce2C2Cl crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ce+3.50+ is bonded to five equivalent C3- and three equivalent Cl1- atoms to form a mixture of distorted face, edge, and corner-sharing CeC5Cl3 hexagonal bipyramids. There are a spread of Ce–C bond distances ranging from 2.29–2.71 Å. There are a spread of Ce–Cl bond distances ranging from 3.08–3.21 Å. C3- is bonded in a 6-coordinate geometry to five equivalent Ce+3.50+ and one C3- atom. The C–C bond length is 1.39 Å. Cl1- is bonded to six equivalent Ce+3.50+ atoms to form distorted edge-sharing ClCe6 octahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce18C18Cl11 by Materials Project

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.

36 MATERIALS SCIENCE↗