Materials Data on KCO3 by Materials Project
KCO3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.75–3.21 Å. In the second K site, K is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.65–3.30 Å. There are two inequivalent C sites. In the first C site, C is bonded in a trigonal planar geometry to three O atoms. There are a spread of C–O bond distances ranging from 1.25–1.43 Å. In the second C site, C is bonded in a trigonal planar geometry to three O atoms. There are a spread of C–O bond distances ranging from 1.25–1.44 Å. There are six inequivalent O sites. In the first O site, O is bonded in a distorted single-bond geometry to three K and one C atom. In the second O site, O is bonded in a distorted single-bond geometry to two equivalent K and one C atom. In the third O site, O is bonded in a distorted single-bond geometry to two K and one C atom. In the fourth O site, O is bonded in a distorted single-bond geometry to three K and one C atom. In the fifth O site, O is bonded in a distorted single-bond geometry to three K and one C atom. In the sixth O site, O is bonded in a distorted single-bond geometry to three K and one C atom.