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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ba3(ClO)2 by Materials Project

Ba3(OCl)2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 4-coordinate geometry to four equivalent O2- and three equivalent Cl1- atoms. There are two shorter (2.60 Å) and two longer (2.62 Å) Ba–O bond lengths. There are one shorter (3.58 Å) and two longer (3.71 Å) Ba–Cl bond lengths. In the second Ba2+ site, Ba2+ is bonded in a 2-coordinate geometry to two equivalent O2- and three equivalent Cl1- atoms. Both Ba–O bond lengths are 2.39 Å. There are one shorter (3.24 Å) and two longer (3.84 Å) Ba–Cl bond lengths. In the third Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to two equivalent O2- and four Cl1- atoms. Both Ba–O bond lengths are 2.44 Å. There are a spread of Ba–Cl bond distances ranging from 3.18–3.61 Å. O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 7-coordinate geometry to seven Ba2+ atoms. In the second Cl1- site, Cl1- is bonded in a trigonal planar geometry to three equivalent Ba2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3(ClO)2 by Materials Project

Ba3(OCl)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to two equivalent O2- and four equivalent Cl1- atoms to form distorted corner-sharing BaCl4O2 octahedra. The corner-sharing octahedral tilt angles are 60°. Both Ba–O bond lengths are 2.57 Å. There are two shorter (3.20 Å) and two longer (3.23 Å) Ba–Cl bond lengths. In the second Ba2+ site, Ba2+ is bonded in a 5-coordinate geometry to three equivalent O2- and two equivalent Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.55–2.62 Å. There are one shorter (3.24 Å) and one longer (3.56 Å) Ba–Cl bond lengths. O2- is bonded to four Ba2+ atoms to form a mixture of edge and corner-sharing OBa4 tetrahedra. Cl1- is bonded in a 4-coordinate geometry to four Ba2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3(ClO)2 by Materials Project

Ba3(OCl)2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 5-coordinate geometry to four equivalent O2- and one Cl1- atom. There are two shorter (2.59 Å) and two longer (2.61 Å) Ba–O bond lengths. The Ba–Cl bond length is 3.46 Å. In the second Ba2+ site, Ba2+ is bonded in a distorted rectangular see-saw-like geometry to two equivalent O2- and two Cl1- atoms. Both Ba–O bond lengths are 2.41 Å. There are one shorter (3.22 Å) and one longer (3.27 Å) Ba–Cl bond lengths. In the third Ba2+ site, Ba2+ is bonded in a 7-coordinate geometry to two equivalent O2- and five Cl1- atoms. Both Ba–O bond lengths are 2.48 Å. There are a spread of Ba–Cl bond distances ranging from 3.33–3.58 Å. O2- is bonded to four Ba2+ atoms to form a mixture of distorted corner and edge-sharing OBa4 tetrahedra. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the second Cl1- site, Cl1- is bonded in a 3-coordinate geometry to three Ba2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3(ClO)2 by Materials Project

Ba3(OCl)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are six inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 5-coordinate geometry to two O2- and three Cl1- atoms. There are one shorter (2.47 Å) and one longer (2.49 Å) Ba–O bond lengths. There are a spread of Ba–Cl bond distances ranging from 3.16–3.61 Å. In the second Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to three O2- and three Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.55–2.69 Å. There are a spread of Ba–Cl bond distances ranging from 3.38–3.78 Å. In the third Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to three O2- and three Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.52–2.65 Å. There are a spread of Ba–Cl bond distances ranging from 3.32–3.55 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 3-coordinate geometry to three O2- and three Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.52–2.64 Å. There are a spread of Ba–Cl bond distances ranging from 3.42–3.87 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 2-coordinate geometry to two O2- and four Cl1- atoms. There are one shorter (2.51 Å) and one longer (2.54 Å) Ba–O bond lengths. There are a spread of Ba–Cl bond distances ranging from 3.26–3.56 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to three O2- and three Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.50–2.65 Å. There are a spread of Ba–Cl bond distances ranging from 3.27–3.41 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of distorted corner and edge-sharing OBa4 tetrahedra. In the second O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. In the third O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. In the fourth O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the second Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the third Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Ba2+ atoms.

36 MATERIALS SCIENCE↗