DOI: 10.17188/1654115
title: Materials Data on Yb2ZnSb2 by Materials Project

description: Yb2ZnSb2 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are eighteen inequivalent Yb2+ sites. In the first Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form distorted YbSb6 octahedra that share corners with eight YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with seven YbSb6 octahedra, a faceface with one YbSb6 octahedra, and faces with two equivalent ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–56°. There are a spread of Yb–Sb bond distances ranging from 3.13–3.54 Å. In the second Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form distorted YbSb6 octahedra that share corners with eight YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with seven YbSb6 octahedra, a faceface with one YbSb6 octahedra, and faces with two equivalent ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–55°. There are a spread of Yb–Sb bond distances ranging from 3.15–3.55 Å. In the third Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form distorted YbSb6 octahedra that share corners with nine YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with seven YbSb6 octahedra, faces with two YbSb6 octahedra, and faces with two equivalent ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–52°. There are a spread of Yb–Sb bond distances ranging from 3.15–3.52 Å. In the fourth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form distorted YbSb6 octahedra that share corners with nine YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with seven YbSb6 octahedra, faces with two YbSb6 octahedra, and faces with two equivalent ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–55°. There are a spread of Yb–Sb bond distances ranging from 3.14–3.57 Å. In the fifth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with eleven YbSb6 octahedra, corners with two equivalent ZnSb4 tetrahedra, edges with four YbSb6 octahedra, edges with four ZnSb4 tetrahedra, and faces with two YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 23–55°. There are a spread of Yb–Sb bond distances ranging from 3.10–3.30 Å. In the sixth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with eleven YbSb6 octahedra, corners with two equivalent ZnSb4 tetrahedra, edges with four YbSb6 octahedra, edges with four ZnSb4 tetrahedra, and faces with two YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 28–54°. There are a spread of Yb–Sb bond distances ranging from 3.18–3.36 Å. In the seventh Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with eleven YbSb6 octahedra, corners with two equivalent ZnSb4 tetrahedra, edges with four YbSb6 octahedra, edges with four ZnSb4 tetrahedra, and faces with two YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 29–55°. There are a spread of Yb–Sb bond distances ranging from 3.18–3.34 Å. In the eighth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with eleven YbSb6 octahedra, corners with two equivalent ZnSb4 tetrahedra, edges with four YbSb6 octahedra, edges with four ZnSb4 tetrahedra, and faces with two YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 31–57°. There are a spread of Yb–Sb bond distances ranging from 3.16–3.40 Å. In the ninth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form distorted YbSb6 octahedra that share corners with nine YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with eight YbSb6 octahedra, an edgeedge with one ZnSb4 tetrahedra, a faceface with one YbSb6 octahedra, and a faceface with one ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–57°. There are a spread of Yb–Sb bond distances ranging from 3.20–3.47 Å. In the tenth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with nine YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with eight YbSb6 octahedra, an edgeedge with one ZnSb4 tetrahedra, a faceface with one YbSb6 octahedra, and a faceface with one ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–55°. There are a spread of Yb–Sb bond distances ranging from 3.20–3.41 Å. In the eleventh Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with seven YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with eight YbSb6 octahedra, an edgeedge with one ZnSb4 tetrahedra, a faceface with one YbSb6 octahedra, and a faceface with one ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 0–54°. There are a spread of Yb–Sb bond distances ranging from 3.20–3.39 Å. In the twelfth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with seven YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with eight YbSb6 octahedra, an edgeedge with one ZnSb4 tetrahedra, a faceface with one YbSb6 octahedra, and a faceface with one ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 0–55°. There are a spread of Yb–Sb bond distances ranging from 3.21–3.37 Å. In the thirteenth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with twelve YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with two equivalent YbSb6 octahedra, edges with two ZnSb4 tetrahedra, and faces with two YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 40–56°. There are a spread of Yb–Sb bond distances ranging from 3.23–3.36 Å. In the fourteenth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form YbSb6 octahedra that share corners with twelve YbSb6 octahedra, corners with six ZnSb4 tetrahedra, edges with six YbSb6 octahedra, edges with two ZnSb4 tetrahedra, and faces with two YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 42–55°. There are a spread of Yb–Sb bond distances ranging from 3.15–3.41 Å. In the fifteenth Yb2+ site, Yb2+ is bonded in a 5-coordinate geometry to five Sb3- atoms. There are a spread of Yb–Sb bond distances ranging from 3.17–3.26 Å. In the sixteenth Yb2+ site, Yb2+ is bonded in a 6-coordinate geometry to six Sb3- atoms. There are a spread of Yb–Sb bond distances ranging from 3.19–3.59 Å. In the seventeenth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form distorted YbSb6 octahedra that share corners with thirteen YbSb6 octahedra, edges with four YbSb6 octahedra, edges with two equivalent ZnSb4 tetrahedra, faces with three YbSb6 octahedra, and faces with two equivalent ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 37–52°. There are a spread of Yb–Sb bond distances ranging from 3.16–3.49 Å. In the eighteenth Yb2+ site, Yb2+ is bonded to six Sb3- atoms to form distorted YbSb6 octahedra that share corners with thirteen YbSb6 octahedra, edges with four YbSb6 octahedra, edges with two equivalent ZnSb4 tetrahedra, faces with three YbSb6 octahedra, and faces with two equivalent ZnSb4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–54°. There are a spread of Yb–Sb bond distances ranging from 3.18–3.55 Å. There are nine inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four Sb3- atoms to form ZnSb4 tetrahedra that share corners with eight YbSb6 octahedra, corners with three ZnSb4 tetrahedra, and edges with five YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 17–70°. There are a spread of Zn–Sb bond distances ranging from 2.76–2.83 Å. In the second Zn2+ site, Zn2+ is bonded to four Sb3- atoms to form ZnSb4 tetrahedra that share corners with eight YbSb6 octahedra, corners with three ZnSb4 tetrahedra, and edges with five YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 21–69°. There are a spread of Zn–Sb bond distances ranging from 2.75–2.84 Å. In the third Zn2+ site, Zn2+ is bonded to four Sb3- atoms to form ZnSb4 tetrahedra that share corners with eight YbSb6 octahedra, corners with three ZnSb4 tetrahedra, edges with five YbSb6 octahedra, and faces with two equivalent YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 21–70°. There are a spread of Zn–Sb bond distances ranging from 2.74–2.85 Å. In the fourth Zn2+ site, Zn2+ is bonded to four Sb3- atoms to form ZnSb4 tetrahedra that share corners with eight YbSb6 octahedra, corners with three ZnSb4 tetrahedra, edges with five YbSb6 octahedra, and faces with two equivalent YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 25–67°. There are a spread of Zn–Sb bond distances ranging from 2.71–2.88 Å. In the fifth Zn2+ site, Zn2+ is bonded to four Sb3- atoms to form ZnSb4 tetrahedra that share corners with nine YbSb6 octahedra, corners with four ZnSb4 tetrahedra, an edgeedge with one YbSb6 octahedra, and faces with three YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 34–63°. There are a spread of Zn–Sb bond distances ranging from 2.68–2.95 Å. In the sixth Zn2+ site, Zn2+ is bonded to four Sb3- atoms to form ZnSb4 tetrahedra that share corners with nine YbSb6 octahedra, corners with four ZnSb4 tetrahedra, an edgeedge with one YbSb6 octahedra, and faces with three YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 34–62°. There are a spread of Zn–Sb bond distances ranging from 2.68–2.95 Å. In the seventh Zn2+ site, Zn2+ is bonded to four Sb3- atoms to form ZnSb4 tetrahedra that share corners with nine YbSb6 octahedra, corners with four ZnSb4 tetrahedra, edges with three YbSb6 octahedra, and faces with three YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 30–62°. There are a spread of Zn–Sb bond distances ranging from 2.66–2.86 Å. In the eighth Zn2+ site, Zn2+ is bonded to four Sb3- atoms to form ZnSb4 tetrahedra that share corners with nine YbSb6 octahedra, corners with four ZnSb4 tetrahedra, edges with three YbSb6 octahedra, and faces with three YbSb6 octahedra. The corner-sharing octahedra tilt angles range from 33–63°. There are a spread of Zn–Sb bond distances ranging from 2.69–2.95 Å. In the ninth Zn2+ site, Zn2+ is bonded in a trigonal planar geometry to three Sb3- atoms. There are one shorter (2.59 Å) and two longer (2.63 Å) Zn–Sb bond lengths. There are eighteen inequivalent Sb3- sites. In the first Sb3- site, Sb3- is bonded in a 7-coordinate geometry to five Yb2+ and two equivalent Zn2+ atoms. In the second Sb3- site, Sb3- is bonded in a 7-coordinate geometry to six Yb2+ and two equivalent Zn2+ atoms. In the third Sb3- site, Sb3- is bonded in a 8-coordinate geometry to six Yb2+ and two equivalent Zn2+ atoms. In the fourth Sb3- site, Sb3- is bonded in a 7-coordinate geometry to six Yb2+ and two equivalent Zn2+ atoms. In the fifth Sb3- site, Sb3- is bonded in a 9-coordinate geometry to six Yb2+ and three Zn2+ atoms. In the sixth Sb3- site, Sb3- is bonded in a 7-coordinate geometry to six Yb2+ and one Zn2+ atom. In the seventh Sb3- site, Sb3- is bonded to six Yb2+ and one Zn2+ atom to form a mixture of distorted corner and edge-sharing SbYb6Zn pentagonal bipyramids. In the eighth Sb3- site, Sb3- is bonded to six Yb2+ and one Zn2+ atom to form a mixture of distorted corner and edge-sharing SbYb6Zn pentagonal bipyramids. In the ninth Sb3- site, Sb3- is bonded in a 8-coordinate geometry to six Yb2+ and two Zn2+ atoms. In the tenth Sb3- site, Sb3- is bonded in a 8-coordinate geometry to six Yb2+ and two Zn2+ atoms. In the eleventh Sb3- site, Sb3- is bonded in a 8-coordinate geometry to six Yb2+ and two Zn2+ atoms. In the twelfth Sb3- site, Sb3- is bonded in a 8-coordinate geometry to six Yb2+ and two Zn2+ atoms. In the thirteenth Sb3- site, Sb3- is bonded in a 9-coordinate geometry to six Yb2+ and three Zn2+ atoms. In the fourteenth Sb3- site, Sb3- is bonded in a 7-coordinate geometry to six Yb2+ and two equivalent Zn2+ atoms. In the fifteenth Sb3- site, Sb3- is bonded in a 7-coordina