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Materials Data on K3MoCl6 by Materials Project

K3MoCl6 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 8-coordinate geometry to eight Cl1- atoms. There are a spread of K–Cl bond distances ranging from 3.06–3.73 Å. In the second K1+ site, K1+ is bonded in a 8-coordinate geometry to eight Cl1- atoms. There are a spread of K–Cl bond distances ranging from 3.19–3.55 Å. In the third K1+ site, K1+ is bonded in a 9-coordinate geometry to nine Cl1- atoms. There are a spread of K–Cl bond distances ranging from 3.24–3.71 Å. There are two inequivalent Mo3+ sites. In the first Mo3+ site, Mo3+ is bonded in an octahedral geometry to six Cl1- atoms. There are four shorter (2.46 Å) and two longer (2.49 Å) Mo–Cl bond lengths. In the second Mo3+ site, Mo3+ is bonded in an octahedral geometry to six Cl1- atoms. There are two shorter (2.47 Å) and four longer (2.48 Å) Mo–Cl bond lengths. There are six inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to four K1+ and one Mo3+ atom. In the second Cl1- site, Cl1- is bonded in a 6-coordinate geometry to five K1+ and one Mo3+ atom. In the third Cl1- site, Cl1- is bonded in a 5-coordinate geometry to four K1+ and one Mo3+ atom. In the fourth Cl1- site, Cl1- is bonded in a 5-coordinate geometry to four K1+ and one Mo3+ atom. In the fifth Cl1- site, Cl1- is bonded in a 5-coordinate geometry to four K1+ and one Mo3+ atom. In the sixth Cl1- site, Cl1- is bonded in a 5-coordinate geometry to four K1+ and one Mo3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K2MoCl6 by Materials Project

K2MoCl6 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. K1+ is bonded to twelve equivalent Cl1- atoms to form KCl12 cuboctahedra that share corners with twelve equivalent KCl12 cuboctahedra, faces with six equivalent KCl12 cuboctahedra, and faces with four equivalent MoCl6 octahedra. All K–Cl bond lengths are 3.55 Å. Mo4+ is bonded to six equivalent Cl1- atoms to form MoCl6 octahedra that share faces with eight equivalent KCl12 cuboctahedra. All Mo–Cl bond lengths are 2.40 Å. Cl1- is bonded in a distorted single-bond geometry to four equivalent K1+ and one Mo4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K3Mo2Cl9 by Materials Project

K3Mo2Cl9 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 6-coordinate geometry to six equivalent Cl1- atoms. There are three shorter (3.31 Å) and three longer (3.40 Å) K–Cl bond lengths. In the second K1+ site, K1+ is bonded in a 12-coordinate geometry to nine Cl1- atoms. There are three shorter (3.28 Å) and six longer (3.53 Å) K–Cl bond lengths. Mo3+ is bonded to six Cl1- atoms to form face-sharing MoCl6 octahedra. There are three shorter (2.41 Å) and three longer (2.50 Å) Mo–Cl bond lengths. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 3-coordinate geometry to one K1+ and two equivalent Mo3+ atoms. In the second Cl1- site, Cl1- is bonded in a 4-coordinate geometry to three K1+ and one Mo3+ atom.

36 MATERIALS SCIENCE↗