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Materials Data on Ta3Te4ClO15 by Materials Project

Ta3Te4O15Cl crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 4–30°. There are a spread of Ta–O bond distances ranging from 1.95–2.04 Å. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 4–30°. There are a spread of Ta–O bond distances ranging from 1.87–2.12 Å. In the third Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are a spread of Ta–O bond distances ranging from 1.90–2.10 Å. There are four inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- and one Cl1- atom. There is one shorter (1.91 Å) and two longer (1.92 Å) Te–O bond length. The Te–Cl bond length is 3.30 Å. In the second Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- and one Cl1- atom. There are a spread of Te–O bond distances ranging from 1.89–1.93 Å. The Te–Cl bond length is 3.33 Å. In the third Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- and one Cl1- atom. There are a spread of Te–O bond distances ranging from 1.89–1.93 Å. The Te–Cl bond length is 3.23 Å. In the fourth Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- and one Cl1- atom. There is one shorter (1.90 Å) and two longer (1.92 Å) Te–O bond length. The Te–Cl bond length is 3.21 Å. There are fifteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ta5+ and one Te4+ atom. In the second O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Ta5+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ta5+ atoms. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ta5+, one Te4+, and one Cl1- atom. The O–Cl bond length is 3.32 Å. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ta5+ and one Te4+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Ta5+ and one Te4+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Ta5+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ta5+ and one Te4+ atom. In the tenth O2- site, O2- is bonded in a linear geometry to one Ta5+ and one Te4+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Ta5+ and one Te4+ atom. In the twelfth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ta5+ and one Te4+ atom. In the thirteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ta5+ and one Te4+ atom. In the fourteenth O2- site, O2- is bonded in a linear geometry to one Ta5+ and one Te4+ atom. In the fifteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ta5+ and one Te4+ atom. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Te4+ atoms. In the second Cl1- site, Cl1- is bonded in a 6-coordinate geometry to four Te4+ and two equivalent O2- atoms.

36 MATERIALS SCIENCE↗

Materials Data on TaTe4Cl4O by Materials Project

TaTeOCl4(Te)3 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of twenty-four telloy molecules and two TaTeOCl4 clusters. In each TaTeOCl4 cluster, there are two inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to two O2- and four Cl1- atoms to form distorted corner-sharing TaCl4O2 octahedra. The corner-sharing octahedra tilt angles range from 3–11°. There is one shorter (1.89 Å) and one longer (1.93 Å) Ta–O bond length. There are a spread of Ta–Cl bond distances ranging from 2.36–2.54 Å. In the second Ta5+ site, Ta5+ is bonded to two O2- and four Cl1- atoms to form corner-sharing TaCl4O2 octahedra. The corner-sharing octahedra tilt angles range from 3–11°. There is one shorter (1.90 Å) and one longer (1.94 Å) Ta–O bond length. There are a spread of Ta–Cl bond distances ranging from 2.35–2.49 Å. There are two inequivalent Te+0.25+ sites. In the first Te+0.25+ site, Te+0.25+ is bonded in a single-bond geometry to one Cl1- atom. The Te–Cl bond length is 3.22 Å. In the second Te+0.25+ site, Te+0.25+ is bonded in a distorted single-bond geometry to one Cl1- atom. The Te–Cl bond length is 3.32 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. In the second O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. There are eight inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Ta5+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Ta5+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one Ta5+ atom. In the fourth Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one Ta5+ and one Te+0.25+ atom. In the fifth Cl1- site, Cl1- is bonded in a single-bond geometry to one Ta5+ atom. In the sixth Cl1- site, Cl1- is bonded in a single-bond geometry to one Ta5+ atom. In the seventh Cl1- site, Cl1- is bonded in a single-bond geometry to one Ta5+ and one Te+0.25+ atom. In the eighth Cl1- site, Cl1- is bonded in a single-bond geometry to one Ta5+ atom.

36 MATERIALS SCIENCE↗