Materials Data on Cd4Bi2O7 by Materials Project
Cd4Bi2O7 is Aluminum carbonitride-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are sixteen inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded to four O2- atoms to form distorted CdO4 tetrahedra that share a cornercorner with one BiO6 pentagonal pyramid, a cornercorner with one CdO5 square pyramid, a cornercorner with one BiO5 square pyramid, a cornercorner with one CdO5 trigonal bipyramid, an edgeedge with one BiO6 pentagonal pyramid, and an edgeedge with one BiO5 square pyramid. There are a spread of Cd–O bond distances ranging from 2.24–2.32 Å. In the second Cd2+ site, Cd2+ is bonded to five O2- atoms to form CdO5 trigonal bipyramids that share a cornercorner with one BiO6 octahedra, corners with two BiO5 square pyramids, a cornercorner with one CdO4 tetrahedra, a cornercorner with one CdO5 trigonal bipyramid, a cornercorner with one CdO4 trigonal pyramid, and an edgeedge with one BiO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 65°. There are a spread of Cd–O bond distances ranging from 2.28–2.37 Å. In the third Cd2+ site, Cd2+ is bonded in a see-saw-like geometry to four O2- atoms. There are a spread of Cd–O bond distances ranging from 2.19–2.31 Å. In the fourth Cd2+ site, Cd2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cd–O bond distances ranging from 2.22–2.53 Å. In the fifth Cd2+ site, Cd2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cd–O bond distances ranging from 2.20–2.98 Å. In the sixth Cd2+ site, Cd2+ is bonded to four O2- atoms to form distorted CdO4 trigonal pyramids that share a cornercorner with one BiO6 pentagonal pyramid, corners with three BiO5 square pyramids, corners with two CdO5 trigonal bipyramids, and an edgeedge with one BiO6 pentagonal pyramid. There are a spread of Cd–O bond distances ranging from 2.16–2.38 Å. In the seventh Cd2+ site, Cd2+ is bonded to five O2- atoms to form distorted CdO5 trigonal bipyramids that share a cornercorner with one BiO6 octahedra, a cornercorner with one CdO5 square pyramid, a cornercorner with one CdO5 trigonal bipyramid, a cornercorner with one CdO4 trigonal pyramid, an edgeedge with one CdO6 octahedra, an edgeedge with one BiO6 pentagonal pyramid, and an edgeedge with one BiO5 square pyramid. The corner-sharing octahedral tilt angles are 24°. There are a spread of Cd–O bond distances ranging from 2.25–2.52 Å. In the eighth Cd2+ site, Cd2+ is bonded to six O2- atoms to form distorted CdO6 octahedra that share a cornercorner with one CdO5 square pyramid, corners with two BiO5 square pyramids, an edgeedge with one BiO6 octahedra, and an edgeedge with one CdO5 trigonal bipyramid. There are a spread of Cd–O bond distances ranging from 2.26–2.54 Å. In the ninth Cd2+ site, Cd2+ is bonded to five O2- atoms to form distorted CdO5 square pyramids that share a cornercorner with one CdO6 octahedra, a cornercorner with one BiO6 pentagonal pyramid, a cornercorner with one BiO5 square pyramid, a cornercorner with one CdO4 tetrahedra, a cornercorner with one CdO5 trigonal bipyramid, an edgeedge with one BiO6 pentagonal pyramid, and an edgeedge with one BiO5 square pyramid. The corner-sharing octahedral tilt angles are 25°. There are a spread of Cd–O bond distances ranging from 2.21–2.45 Å. In the tenth Cd2+ site, Cd2+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Cd–O bond distances ranging from 2.22–2.37 Å. In the eleventh Cd2+ site, Cd2+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Cd–O bond distances ranging from 2.19–2.36 Å. In the twelfth Cd2+ site, Cd2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cd–O bond distances ranging from 2.09–2.35 Å. In the thirteenth Cd2+ site, Cd2+ is bonded in a see-saw-like geometry to four O2- atoms. There are a spread of Cd–O bond distances ranging from 2.15–2.41 Å. In the fourteenth Cd2+ site, Cd2+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Cd–O bond distances ranging from 2.20–2.84 Å. In the fifteenth Cd2+ site, Cd2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cd–O bond distances ranging from 2.29–2.53 Å. In the sixteenth Cd2+ site, Cd2+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Cd–O bond distances ranging from 2.23–2.39 Å. There are eight inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded to six O2- atoms to form distorted BiO6 pentagonal pyramids that share a cornercorner with one BiO6 pentagonal pyramid, a cornercorner with one BiO5 square pyramid, a cornercorner with one CdO4 trigonal pyramid, an edgeedge with one CdO5 square pyramid, an edgeedge with one BiO5 square pyramid, an edgeedge with one CdO4 tetrahedra, and an edgeedge with one CdO5 trigonal bipyramid. There are a spread of Bi–O bond distances ranging from 2.25–2.63 Å. In the second Bi3+ site, Bi3+ is bonded to six O2- atoms to form BiO6 octahedra that share a cornercorner with one BiO6 pentagonal pyramid, corners with two BiO5 square pyramids, corners with two CdO5 trigonal bipyramids, and an edgeedge with one CdO6 octahedra. There are a spread of Bi–O bond distances ranging from 2.11–2.24 Å. In the third Bi3+ site, Bi3+ is bonded to five O2- atoms to form distorted BiO5 square pyramids that share a cornercorner with one BiO6 octahedra, a cornercorner with one BiO6 pentagonal pyramid, a cornercorner with one CdO5 square pyramid, a cornercorner with one CdO4 tetrahedra, a cornercorner with one CdO4 trigonal pyramid, and an edgeedge with one BiO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 54°. There are a spread of Bi–O bond distances ranging from 2.21–2.42 Å. In the fourth Bi3+ site, Bi3+ is bonded to five O2- atoms to form distorted BiO5 square pyramids that share a cornercorner with one CdO6 octahedra, a cornercorner with one BiO6 octahedra, a cornercorner with one CdO5 trigonal bipyramid, and a cornercorner with one CdO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 21–62°. There are a spread of Bi–O bond distances ranging from 2.13–2.40 Å. In the fifth Bi3+ site, Bi3+ is bonded to five O2- atoms to form distorted BiO5 square pyramids that share a cornercorner with one CdO6 octahedra, a cornercorner with one CdO5 trigonal bipyramid, a cornercorner with one CdO4 trigonal pyramid, an edgeedge with one BiO6 pentagonal pyramid, an edgeedge with one CdO5 square pyramid, an edgeedge with one CdO4 tetrahedra, an edgeedge with one CdO5 trigonal bipyramid, and a faceface with one BiO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 74°. There are a spread of Bi–O bond distances ranging from 2.17–2.56 Å. In the sixth Bi3+ site, Bi3+ is bonded to six O2- atoms to form distorted BiO6 pentagonal pyramids that share a cornercorner with one BiO6 octahedra, a cornercorner with one BiO6 pentagonal pyramid, a cornercorner with one CdO5 square pyramid, a cornercorner with one CdO4 tetrahedra, an edgeedge with one BiO5 square pyramid, an edgeedge with one CdO5 trigonal bipyramid, an edgeedge with one CdO4 trigonal pyramid, and a faceface with one BiO5 square pyramid. The corner-sharing octahedral tilt angles are 53°. There are a spread of Bi–O bond distances ranging from 2.18–2.74 Å. In the seventh Bi3+ site, Bi3+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Bi–O bond distances ranging from 2.13–2.41 Å. In the eighth Bi3+ site, Bi3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Bi–O bond distances ranging from 2.15–2.82 Å. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded to three Cd2+ and one Bi3+ atom to form OCd3Bi tetrahedra that share corners with five OCd3Bi tetrahedra, corners with three OCd2Bi2 trigonal pyramids, and an edgeedge with one OCd2Bi2 tetrahedra. In the second O2- site, O2- is bonded to two Cd2+ and two Bi3+ atoms to form distorted OCd2Bi2 tetrahedra that share corners with two OCd3Bi tetrahedra, corners with two OCd4Bi trigonal bipyramids, corners with two OCd2Bi2 trigonal pyramids, edges with two OCd3Bi tetrahedra, and an edgeedge with one OCd3Bi trigonal pyramid. In the third O2- site, O2- is bonded to four Cd2+ atoms to form OCd4 tetrahedra that share corners with five OCd2Bi2 tetrahedra, corners with two OCd4Bi trigonal bipyramids, a cornercorner with one OCd3Bi trigonal pyramid, and edges with two OCd3Bi trigonal pyramids. In the fourth O2- site, O2- is bonded to three Cd2+ and one Bi3+ atom to form OCd3Bi tetrahedra that share corners with two OCd2Bi2 tetrahedra, corners with two OCd4Bi trigonal bipyramids, corners with three OCd2Bi2 trigonal pyramids, and an edgeedge with one OCd2Bi2 tetrahedra. In the fifth O2- site, O2- is bonded to three Cd2+ and one Bi3+ atom to form OCd3Bi trigonal pyramids that share corners with five OCd3Bi tetrahedra, a cornercorner with one OCd4Bi trigonal bipyramid, corners with two OCd2Bi2 trigonal pyramids, and an edgeedge with one OCd2Bi2 tetrahedra. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Cd2+ and one Bi3+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Cd2+ and one Bi3+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Cd2+ and two Bi3+ atoms. In the ninth O2- site, O2- is bonded to two Cd2+ and two Bi3+ atoms to form distorted OCd2Bi2 trigonal pyramids that share corners with six OCd2Bi2 tetrahedra, a cornercorner with one OCd4Bi trigonal bipyramid, corners with two OCd3Bi trigonal pyramids, and an edgeedge with one OCd4Bi trigonal bipyramid. In the tenth O2- site, O2- is bonded to two Cd2+ and two Bi3+ atoms to form distorted OCd2Bi2 tetrahedra that share corners with three OCd2Bi2 tetrahedra, corners with three OCd2Bi2 trigonal pyramids, an edgeedge with one OCd3Bi tetrahedra, and an edgeedge with one OCd3Bi2 trigonal bipyramid. In the eleventh O2- site, O2- is bonded to three Cd2+ and one Bi3+ atom to form distorted OCd3Bi tetrahedra that share corners with four OCd3Bi tetrahedra, a cornercorner with one OCd4Bi trigonal bipyramid, corners with three OCd3Bi trigonal pyramids, an edgeedge with one OCdBi3 tetrahedra, and an edgeedge with one OCd3Bi trigonal pyramid. In the twelfth O2- site, O2- is bonded to four Cd2+ and one Bi3+ atom to form distorted OCd4Bi trigonal bipyramids that share corners with three OCd3Bi tetrahedra, corners with two OCd2Bi2 trigonal pyramids, an edgeedge with one OCd4Bi trigonal bipyramid, and an edgeedge with one OCd3Bi trigonal pyramid. In the thirteenth O2- site, O2- is bonded to four Cd2+ and one Bi3+ atom to form OCd4Bi trigonal bipyramids that share corners with three OCd3Bi tetrahedra, corners with two OCd3Bi trigonal pyramids, an edgeedge with one OCd2Bi2 tetrahedra, edges with two OCd4Bi trigonal bipyramids, and an edgeedge with one OCd2Bi2 trigonal pyramid. In the fourteenth O2- site, O2- is bonded to three Cd2+ and one Bi3+ atom to form distorted OCd3Bi trigonal pyramids that share corners with four OCd2Bi2 tetrahedra, a cornercorner with one OCd4Bi trigonal bipyramid, corners with two OCd2Bi2 trigonal pyramids, edges with two OCd3Bi tetrahedra, and an edgeedge with one OCd3Bi2 trigonal bipyramid. In the fifteenth O2- site, O2- is bonded to three Cd2+ and one Bi3+ atom to form OCd3Bi tetrahedra that share corners with three OCd3Bi tetrahedra, a cornercorner with one OCd3Bi2 trigonal bipyramid, and a cornercorner with one OCd2Bi2 trigonal pyramid. In the sixteenth O2- site, O2- is bonded in a 5-coordinate geometry to four Cd2+ and one Bi3+ atom. In the seventeenth O2- site, O2- is bonded to three Cd2+ and one Bi3+ atom to form distorted OCd3Bi trigonal
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1284237
- Report Number(s):
- mp-685907
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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