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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on TbCO4 by Materials Project

TbCO4 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Tb4+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.23–2.60 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.28–1.32 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Tb4+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Tb4+ and one C4+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Tb4+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Tb4+ and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TbCO4 by Materials Project

TbCO4 crystallizes in the hexagonal P-6 space group. The structure is three-dimensional. there are three inequivalent Tb4+ sites. In the first Tb4+ site, Tb4+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Tb–O bond distances ranging from 2.35–2.59 Å. In the second Tb4+ site, Tb4+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Tb–O bond distances ranging from 2.36–2.57 Å. In the third Tb4+ site, Tb4+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Tb–O bond distances ranging from 2.35–2.56 Å. There are six inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.29 Å) and one longer (1.30 Å) C–O bond length. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.29 Å) and one longer (1.30 Å) C–O bond length. In the third C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.29 Å. In the fourth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.29 Å. In the fifth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.29 Å) and one longer (1.30 Å) C–O bond length. In the sixth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.29 Å) and one longer (1.30 Å) C–O bond length. There are seventeen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Tb4+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two Tb4+ and one C4+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Tb4+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two Tb4+ and one C4+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to two equivalent Tb4+ and one C4+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Tb4+ and one C4+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Tb4+ and one C4+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two Tb4+ and one C4+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Tb4+ and one C4+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to two Tb4+ and one C4+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to two equivalent Tb4+ and one C4+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to two Tb4+ and one C4+ atom. In the thirteenth O2- site, O2- is bonded in a trigonal planar geometry to three equivalent Tb4+ atoms. In the fourteenth O2- site, O2- is bonded in a trigonal planar geometry to three equivalent Tb4+ atoms. In the fifteenth O2- site, O2- is bonded in a trigonal planar geometry to three equivalent Tb4+ atoms. In the sixteenth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Tb4+ atoms. In the seventeenth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Tb4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb12Co7 by Materials Project

Tb12Co7 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are six inequivalent Tb sites. In the first Tb site, Tb is bonded in a 5-coordinate geometry to five Co atoms. There are a spread of Tb–Co bond distances ranging from 2.87–3.10 Å. In the second Tb site, Tb is bonded in a 4-coordinate geometry to four Co atoms. There are a spread of Tb–Co bond distances ranging from 2.75–3.01 Å. In the third Tb site, Tb is bonded in a 4-coordinate geometry to four Co atoms. There are a spread of Tb–Co bond distances ranging from 2.79–3.07 Å. In the fourth Tb site, Tb is bonded in a 4-coordinate geometry to five Co atoms. There are a spread of Tb–Co bond distances ranging from 2.83–3.41 Å. In the fifth Tb site, Tb is bonded to four Co atoms to form distorted corner-sharing TbCo4 tetrahedra. There are a spread of Tb–Co bond distances ranging from 2.75–3.01 Å. In the sixth Tb site, Tb is bonded in a 5-coordinate geometry to five Co atoms. There are a spread of Tb–Co bond distances ranging from 2.75–3.19 Å. There are four inequivalent Co sites. In the first Co site, Co is bonded in a 9-coordinate geometry to eight Tb and one Co atom. The Co–Co bond length is 2.29 Å. In the second Co site, Co is bonded in a body-centered cubic geometry to eight Tb atoms. In the third Co site, Co is bonded in a 10-coordinate geometry to seven Tb and one Co atom. In the fourth Co site, Co is bonded in a 8-coordinate geometry to eight Tb atoms.

36 MATERIALS SCIENCE↗