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MgWOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two MgWOs2 ribbons oriented in the (1, 0, 0) direction. Mg2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both Mg–Os bond lengths are 2.71 Å. W2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both W–Os bond lengths are 2.20 Å. Os2- is bonded in a linear geometry to one Mg2+ and one W2+ atom.
PSOs crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Os5+ is bonded to three equivalent P3- and three equivalent S2- atoms to form distorted OsP3S3 octahedra that share corners with eight equivalent OsP3S3 octahedra, corners with three equivalent POs3S tetrahedra, corners with three equivalent SPOs3 tetrahedra, and edges with two equivalent OsP3S3 octahedra. The corner-sharing octahedra tilt angles range from 56–62°. There are a spread of Os–P bond distances ranging from 2.39–2.41 Å. There are one shorter (2.34 Å) and two longer (2.35 Å) Os–S bond lengths. P3- is bonded to three equivalent Os5+ and one S2- atom to form distorted POs3S tetrahedra that share corners with three equivalent OsP3S3 octahedra, corners with four equivalent POs3S tetrahedra, corners with nine equivalent SPOs3 tetrahedra, and an edgeedge with one POs3S tetrahedra. The corner-sharing octahedra tilt angles range from 66–71°. The P–S bond length is 2.28 Å. S2- is bonded to three equivalent Os5+ and one P3- atom to form SPOs3 tetrahedra that share corners with three equivalent OsP3S3 octahedra, corners with four equivalent SPOs3 tetrahedra, corners with nine equivalent POs3S tetrahedra, and an edgeedge with one SPOs3 tetrahedra. The corner-sharing octahedra tilt angles range from 74–78°.
TiVOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two TiVOs2 ribbons oriented in the (1, 0, 0) direction. Ti2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both Ti–Os bond lengths are 2.27 Å. V2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both V–Os bond lengths are 2.24 Å. Os2- is bonded in a linear geometry to one Ti2+ and one V2+ atom.
YOs2CP crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Y3+ is bonded in a distorted rectangular see-saw-like geometry to four equivalent C4- atoms. All Y–C bond lengths are 2.65 Å. Os2- is bonded in a distorted single-bond geometry to one C4- and three equivalent P5+ atoms. The Os–C bond length is 1.88 Å. There are one shorter (2.42 Å) and two longer (2.48 Å) Os–P bond lengths. C4- is bonded to four equivalent Y3+ and two equivalent Os2- atoms to form a mixture of corner and edge-sharing CY4Os2 octahedra. The corner-sharing octahedral tilt angles are 21°. P5+ is bonded in a 6-coordinate geometry to six equivalent Os2- atoms.
CsOsN2 crystallizes in the tetragonal I4_1/a space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 12-coordinate geometry to twelve N3- atoms. There are a spread of Cs–N bond distances ranging from 3.51–3.69 Å. In the second Cs1+ site, Cs1+ is bonded in a 12-coordinate geometry to twelve N3- atoms. There are a spread of Cs–N bond distances ranging from 3.57–3.68 Å. There are two inequivalent Os5+ sites. In the first Os5+ site, Os5+ is bonded to four equivalent N3- atoms to form corner-sharing OsN4 tetrahedra. All Os–N bond lengths are 1.88 Å. In the second Os5+ site, Os5+ is bonded to four N3- atoms to form corner-sharing OsN4 tetrahedra. There is two shorter (1.87 Å) and two longer (1.88 Å) Os–N bond length. There are three inequivalent N3- sites. In the first N3- site, N3- is bonded in a linear geometry to six Cs1+ and two Os5+ atoms. In the second N3- site, N3- is bonded in a linear geometry to six Cs1+ and two equivalent Os5+ atoms. In the third N3- site, N3- is bonded in a linear geometry to six Cs1+ and two equivalent Os5+ atoms.
OsAsS crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Os5+ is bonded to three equivalent As3- and three equivalent S2- atoms to form distorted OsAs3S3 octahedra that share corners with eight equivalent OsAs3S3 octahedra, corners with three equivalent AsOs3S tetrahedra, corners with three equivalent SAsOs3 tetrahedra, and edges with two equivalent OsAs3S3 octahedra. The corner-sharing octahedra tilt angles range from 54–62°. There are a spread of Os–As bond distances ranging from 2.49–2.53 Å. There are two shorter (2.34 Å) and one longer (2.36 Å) Os–S bond lengths. As3- is bonded to three equivalent Os5+ and one S2- atom to form distorted AsOs3S tetrahedra that share corners with three equivalent OsAs3S3 octahedra, corners with four equivalent AsOs3S tetrahedra, corners with nine equivalent SAsOs3 tetrahedra, and an edgeedge with one AsOs3S tetrahedra. The corner-sharing octahedra tilt angles range from 68–73°. The As–S bond length is 2.44 Å. S2- is bonded to three equivalent Os5+ and one As3- atom to form SAsOs3 tetrahedra that share corners with three equivalent OsAs3S3 octahedra, corners with four equivalent SAsOs3 tetrahedra, corners with nine equivalent AsOs3S tetrahedra, and an edgeedge with one SAsOs3 tetrahedra. The corner-sharing octahedra tilt angles range from 76–77°.
ScVOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two ScVOs2 ribbons oriented in the (1, 0, 0) direction. Sc2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both Sc–Os bond lengths are 2.43 Å. V2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both V–Os bond lengths are 2.19 Å. Os2- is bonded in a linear geometry to one Sc2+ and one V2+ atom.
KOsNH2Cl4 crystallizes in the orthorhombic Cmc2_1 space group. The structure is two-dimensional and consists of two KOsNH2Cl4 sheets oriented in the (0, 1, 0) direction. K1+ is bonded in a 8-coordinate geometry to two H1+ and six Cl1- atoms. There are one shorter (2.91 Å) and one longer (2.94 Å) K–H bond lengths. There are a spread of K–Cl bond distances ranging from 3.27–3.41 Å. Os4+ is bonded in a 5-coordinate geometry to one N3- and four Cl1- atoms. The Os–N bond length is 1.65 Å. All Os–Cl bond lengths are 2.34 Å. N3- is bonded in a single-bond geometry to one Os4+ atom. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one K1+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one K1+ atom. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 1-coordinate geometry to two equivalent K1+ and one Os4+ atom. In the second Cl1- site, Cl1- is bonded in a distorted water-like geometry to one K1+ and one Os4+ atom.
TaOsTe4 crystallizes in the orthorhombic Pmn2_1 space group. The structure is two-dimensional and consists of two TaOsTe4 sheets oriented in the (0, 0, 1) direction. there are two inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six Te2- atoms to form distorted TaTe6 octahedra that share edges with four TaTe6 octahedra and edges with two equivalent OsTe6 pentagonal pyramids. There are a spread of Ta–Te bond distances ranging from 2.71–2.96 Å. In the second Ta5+ site, Ta5+ is bonded to six Te2- atoms to form distorted TaTe6 octahedra that share edges with two equivalent OsTe6 octahedra and edges with four TaTe6 octahedra. There are a spread of Ta–Te bond distances ranging from 2.70–2.94 Å. There are two inequivalent Os3+ sites. In the first Os3+ site, Os3+ is bonded to six Te2- atoms to form distorted OsTe6 octahedra that share edges with two equivalent TaTe6 octahedra, edges with two equivalent OsTe6 octahedra, and edges with two equivalent OsTe6 pentagonal pyramids. There are a spread of Os–Te bond distances ranging from 2.69–2.77 Å. In the second Os3+ site, Os3+ is bonded to six Te2- atoms to form distorted OsTe6 pentagonal pyramids that share edges with two equivalent TaTe6 octahedra, edges with two equivalent OsTe6 octahedra, and edges with two equivalent OsTe6 pentagonal pyramids. There are a spread of Os–Te bond distances ranging from 2.69–2.78 Å. There are eight inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to three Ta5+ atoms. In the second Te2- site, Te2- is bonded in a 3-coordinate geometry to one Ta5+ and two equivalent Os3+ atoms. In the third Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to three Os3+ atoms. In the fourth Te2- site, Te2- is bonded in a 3-coordinate geometry to one Ta5+ and two equivalent Os3+ atoms. In the fifth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to three Os3+ atoms. In the sixth Te2- site, Te2- is bonded in a 3-coordinate geometry to two equivalent Ta5+ and one Os3+ atom. In the seventh Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to three Ta5+ atoms. In the eighth Te2- site, Te2- is bonded in a 3-coordinate geometry to two equivalent Ta5+ and one Os3+ atom.
BeNbOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two BeNbOs2 ribbons oriented in the (1, 0, 0) direction. Be2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both Be–Os bond lengths are 2.27 Å. Nb2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both Nb–Os bond lengths are 2.23 Å. Os2- is bonded in a linear geometry to one Be2+ and one Nb2+ atom.
Os2N4OCl10 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Os8+ is bonded to one O2- and five Cl1- atoms to form OsCl5O octahedra that share a cornercorner with one OsCl5O octahedra and faces with four equivalent NCl12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. The Os–O bond length is 1.86 Å. There are one shorter (2.26 Å) and four longer (2.31 Å) Os–Cl bond lengths. There are two inequivalent N1- sites. In the first N1- site, N1- is bonded in a body-centered cubic geometry to eight equivalent Cl1- atoms. All N–Cl bond lengths are 3.20 Å. In the second N1- site, N1- is bonded to twelve Cl1- atoms to form distorted NCl12 cuboctahedra that share corners with four equivalent NCl12 cuboctahedra, faces with four equivalent NCl12 cuboctahedra, and faces with four equivalent OsCl5O octahedra. There are eight shorter (3.53 Å) and four longer (3.66 Å) N–Cl bond lengths. O2- is bonded in a linear geometry to two equivalent Os8+ atoms. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Os8+ and four equivalent N1- atoms. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Os8+ and four N1- atoms.
UOs2SiC crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. U4+ is bonded in a 4-coordinate geometry to four equivalent C4- atoms. All U–C bond lengths are 2.67 Å. Os2- is bonded in a 4-coordinate geometry to three equivalent Si4+ and one C4- atom. There are one shorter (2.45 Å) and two longer (2.47 Å) Os–Si bond lengths. The Os–C bond length is 1.90 Å. Si4+ is bonded in a 6-coordinate geometry to six equivalent Os2- atoms. C4- is bonded to four equivalent U4+ and two equivalent Os2- atoms to form a mixture of edge and corner-sharing CU4Os2 octahedra. The corner-sharing octahedral tilt angles are 26°.
OsBiSe crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Os1- is bonded in a 6-coordinate geometry to three equivalent Bi3+ and three equivalent Se2- atoms. There are a spread of Os–Bi bond distances ranging from 2.76–2.80 Å. There are one shorter (2.47 Å) and two longer (2.50 Å) Os–Se bond lengths. Bi3+ is bonded in a 4-coordinate geometry to three equivalent Os1- and one Se2- atom. The Bi–Se bond length is 2.88 Å. Se2- is bonded to three equivalent Os1- and one Bi3+ atom to form a mixture of distorted corner and edge-sharing SeBiOs3 tetrahedra.
OsP4 is Hausmannite-like structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Os4+ sites. In the first Os4+ site, Os4+ is bonded to six P1- atoms to form OsP6 octahedra that share corners with four equivalent OsP6 octahedra and corners with fourteen PP2Os2 tetrahedra. The corner-sharing octahedra tilt angles range from 53–56°. There are a spread of Os–P bond distances ranging from 2.37–2.41 Å. In the second Os4+ site, Os4+ is bonded to six P1- atoms to form OsP6 octahedra that share corners with two equivalent OsP6 octahedra, corners with fourteen PP2Os2 tetrahedra, and an edgeedge with one OsP6 octahedra. The corner-sharing octahedra tilt angles range from 53–56°. There are a spread of Os–P bond distances ranging from 2.35–2.43 Å. There are six inequivalent P1- sites. In the first P1- site, P1- is bonded to two Os4+ and two P1- atoms to form PP2Os2 tetrahedra that share corners with two equivalent OsP6 octahedra and corners with fourteen PP2Os2 tetrahedra. The corner-sharing octahedra tilt angles range from 54–64°. There are one shorter (2.22 Å) and one longer (2.24 Å) P–P bond lengths. In the second P1- site, P1- is bonded to two equivalent Os4+ and two P1- atoms to form PP2Os2 tetrahedra that share corners with three OsP6 octahedra, corners with eleven PP2Os2 tetrahedra, and an edgeedge with one PP2Os2 tetrahedra. The corner-sharing octahedra tilt angles range from 60–71°. There are one shorter (2.17 Å) and one longer (2.22 Å) P–P bond lengths. In the third P1- site, P1- is bonded to two Os4+ and two P1- atoms to form PP2Os2 tetrahedra that share corners with two OsP6 octahedra and corners with fourteen PP2Os2 tetrahedra. The corner-sharing octahedra tilt angles range from 65–71°. There are one shorter (2.19 Å) and one longer (2.26 Å) P–P bond lengths. In the fourth P1- site, P1- is bonded to one Os4+ and three P1- atoms to form PP3Os tetrahedra that share corners with five OsP6 octahedra and corners with nine PP2Os2 tetrahedra. The corner-sharing octahedra tilt angles range from 51–79°. The P–P bond length is 2.33 Å. In the fifth P1- site, P1- is bonded to one Os4+ and three P1- atoms to form PP3Os tetrahedra that share corners with four OsP6 octahedra and corners with ten PP2Os2 tetrahedra. The corner-sharing octahedra tilt angles range from 44–78°. There are one shorter (2.21 Å) and one longer (2.33 Å) P–P bond lengths. In the sixth P1- site, P1- is bonded to one Os4+ and three P1- atoms to form PP3Os tetrahedra that share corners with five OsP6 octahedra and corners with nine PP2Os2 tetrahedra. The corner-sharing octahedra tilt angles range from 60–80°.
TiNbOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two TiNbOs2 ribbons oriented in the (1, 0, 0) direction. Ti2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both Ti–Os bond lengths are 2.31 Å. Nb2+ is bonded in a linear geometry to two equivalent Os2- atoms. Both Nb–Os bond lengths are 2.32 Å. Os2- is bonded in a linear geometry to one Ti2+ and one Nb2+ atom.
VOs2Ga is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. V2+ is bonded in a body-centered cubic geometry to eight equivalent Os2- atoms. All V–Os bond lengths are 2.63 Å. Os2- is bonded in a body-centered cubic geometry to four equivalent V2+ and four equivalent Ga2+ atoms. All Os–Ga bond lengths are 2.63 Å. Ga2+ is bonded in a body-centered cubic geometry to eight equivalent Os2- atoms.
TaOs2In crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two TaOs2In ribbons oriented in the (1, 0, 0) direction. Ta3+ is bonded in a linear geometry to two equivalent Os2- atoms. Both Ta–Os bond lengths are 2.20 Å. Os2- is bonded in a linear geometry to one Ta3+ and one In1+ atom. The Os–In bond length is 2.66 Å. In1+ is bonded in a linear geometry to two equivalent Os2- atoms.
KOsNO2(Br)4 is Cubane-like structured and crystallizes in the orthorhombic Cmc2_1 space group. The structure is zero-dimensional and consists of sixteen hydrobromic acid molecules and four KOsNO2 clusters. In each KOsNO2 cluster, K1+ is bonded in a distorted single-bond geometry to one O2- atom. The K–O bond length is 2.84 Å. Os4+ is bonded in a linear geometry to one N3- and one O2- atom. The Os–N bond length is 1.91 Å. The Os–O bond length is 1.75 Å. N3- is bonded in a linear geometry to one Os4+ and one O2- atom. The N–O bond length is 1.17 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one N3- atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+ and one Os4+ atom.