Materials Data on K4HfC8O21 by Materials Project
K4HfC8O21 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent K sites. In the first K site, K is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of K–O bond distances ranging from 2.64–3.39 Å. In the second K site, K is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of K–O bond distances ranging from 2.71–3.33 Å. In the third K site, K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.72–3.23 Å. In the fourth K site, K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.85–3.26 Å. Hf is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Hf–O bond distances ranging from 2.17–2.29 Å. There are eight inequivalent C sites. In the first C site, C is bonded in a distorted bent 120 degrees geometry to two O atoms. There is one shorter (1.26 Å) and one longer (1.28 Å) C–O bond length. In the second C site, C is bonded in a distorted bent 120 degrees geometry to two O atoms. There is one shorter (1.24 Å) and one longer (1.29 Å) C–O bond length. In the third C site, C is bonded in a distorted bent 120 degrees geometry to two O atoms. There is one shorter (1.25 Å) and one longer (1.28 Å) C–O bond length. In the fourth C site, C is bonded in a distorted bent 120 degrees geometry to two O atoms. There is one shorter (1.24 Å) and one longer (1.29 Å) C–O bond length. In the fifth C site, C is bonded in a distorted bent 120 degrees geometry to two O atoms. There is one shorter (1.23 Å) and one longer (1.30 Å) C–O bond length. In the sixth C site, C is bonded in a distorted bent 120 degrees geometry to two O atoms. There is one shorter (1.25 Å) and one longer (1.30 Å) C–O bond length. In the seventh C site, C is bonded in a distorted bent 120 degrees geometry to two O atoms. There is one shorter (1.23 Å) and one longer (1.30 Å) C–O bond length. In the eighth C site, C is bonded in a distorted bent 120 degrees geometry to two O atoms. There is one shorter (1.25 Å) and one longer (1.29 Å) C–O bond length. There are twenty-one inequivalent O sites. In the first O site, O is bonded in a 1-coordinate geometry to two K and one O atom. The O–O bond length is 1.24 Å. In the second O site, O is bonded in a distorted single-bond geometry to one K atom. In the third O site, O is bonded in a distorted single-bond geometry to one K, one Hf, and one C atom. In the fourth O site, O is bonded in a 3-coordinate geometry to one K, one Hf, and one C atom. In the fifth O site, O is bonded in a distorted bent 120 degrees geometry to one K and one C atom. In the sixth O site, O is bonded in a distorted single-bond geometry to one K and one C atom. In the seventh O site, O is bonded in a 3-coordinate geometry to one K, one Hf, and one C atom. In the eighth O site, O is bonded in a distorted bent 120 degrees geometry to one K, one Hf, and one C atom. In the ninth O site, O is bonded in a distorted single-bond geometry to two K and one C atom. In the tenth O site, O is bonded in a distorted single-bond geometry to one K and one C atom. In the eleventh O site, O is bonded in a 1-coordinate geometry to two K, one Hf, and one C atom. In the twelfth O site, O is bonded in a 2-coordinate geometry to one K, one Hf, and one C atom. In the thirteenth O site, O is bonded in a distorted single-bond geometry to three K and one C atom. In the fourteenth O site, O is bonded in a distorted single-bond geometry to one K and one C atom. In the fifteenth O site, O is bonded in a 1-coordinate geometry to two K, one Hf, and one C atom. In the sixteenth O site, O is bonded in a distorted bent 120 degrees geometry to one K, one Hf, and one C atom. In the seventeenth O site, O is bonded in a distorted single-bond geometry to three K and one C atom. In the eighteenth O site, O is bonded in a distorted bent 120 degrees geometry to one K and one C atom. In the nineteenth O site, O is bonded in a water-like geometry to two K atoms. In the twentieth O site, O is bonded in a 3-coordinate geometry to two K and one O atom. In the twenty-first O site, O is bonded in a distorted single-bond geometry to two K atoms.
- 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:
- 1675660
- Report Number(s):
- mp-1182485
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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