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COs is Tungsten Carbide structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Os2- is bonded to six equivalent C2+ atoms to form a mixture of distorted corner, edge, and face-sharing OsC6 pentagonal pyramids. All Os–C bond lengths are 2.18 Å. C2+ is bonded to six equivalent Os2- atoms to form a mixture of distorted corner, edge, and face-sharing COs6 pentagonal pyramids.
COs is Molybdenum Carbide MAX Phase-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Os2- is bonded to six equivalent C2+ atoms to form a mixture of edge, face, and corner-sharing OsC6 octahedra. The corner-sharing octahedral tilt angles are 46°. All Os–C bond lengths are 2.18 Å. C2+ is bonded to six equivalent Os2- atoms to form a mixture of distorted edge and corner-sharing COs6 pentagonal pyramids.
OsC2 is Molybdenite-like structured and crystallizes in the hexagonal P-6m2 space group. The structure is two-dimensional and consists of one OsC2 sheet oriented in the (0, 0, 1) direction. Os2- is bonded to six equivalent C1+ atoms to form distorted edge-sharing OsC6 pentagonal pyramids. All Os–C bond lengths are 2.10 Å. C1+ is bonded in a 3-coordinate geometry to three equivalent Os2- atoms.
COs is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Os2- is bonded in a body-centered cubic geometry to eight equivalent C2+ atoms. All Os–C bond lengths are 2.34 Å. C2+ is bonded in a body-centered cubic geometry to eight equivalent Os2- atoms.
COs is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Os2- is bonded to six equivalent C2+ atoms to form a mixture of corner and edge-sharing OsC6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Os–C bond lengths are 2.18 Å. C2+ is bonded to six equivalent Os2- atoms to form a mixture of corner and edge-sharing COs6 octahedra. The corner-sharing octahedral tilt angles are 0°.
COs is Zincblende, Sphalerite structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Os2- is bonded to four equivalent C2+ atoms to form corner-sharing OsC4 tetrahedra. All Os–C bond lengths are 2.00 Å. C2+ is bonded to four equivalent Os2- atoms to form corner-sharing COs4 tetrahedra.
OsC2 crystallizes in the hexagonal P6_3/mmc space group. The structure is two-dimensional and consists of two OsC2 sheets oriented in the (0, 0, 1) direction. Os2- is bonded to six equivalent C1+ atoms to form distorted edge-sharing OsC6 pentagonal pyramids. All Os–C bond lengths are 2.10 Å. C1+ is bonded in a 3-coordinate geometry to three equivalent Os2- atoms.
COs crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Os2- is bonded to four equivalent C2+ atoms to form corner-sharing OsC4 trigonal pyramids. There are one shorter (2.03 Å) and three longer (2.06 Å) Os–C bond lengths. C2+ is bonded in a rectangular see-saw-like geometry to four equivalent Os2- atoms.
Os2C3 crystallizes in the tetragonal P-4c2 space group. The structure is three-dimensional. there are three inequivalent Os2- sites. In the first Os2- site, Os2- is bonded in a 6-coordinate geometry to six C+1.33+ atoms. There are two shorter (2.03 Å) and four longer (2.19 Å) Os–C bond lengths. In the second Os2- site, Os2- is bonded in a 8-coordinate geometry to eight C+1.33+ atoms. There are four shorter (2.16 Å) and four longer (2.31 Å) Os–C bond lengths. In the third Os2- site, Os2- is bonded in a distorted octahedral geometry to six C+1.33+ atoms. There are four shorter (2.07 Å) and two longer (2.36 Å) Os–C bond lengths. There are two inequivalent C+1.33+ sites. In the first C+1.33+ site, C+1.33+ is bonded in a 4-coordinate geometry to four Os2- atoms. In the second C+1.33+ site, C+1.33+ is bonded in a distorted pentagonal planar geometry to five Os2- atoms.
Os2C3 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. there are three inequivalent Os2- sites. In the first Os2- site, Os2- is bonded in a 7-coordinate geometry to seven C+1.33+ atoms. There are a spread of Os–C bond distances ranging from 2.07–2.37 Å. In the second Os2- site, Os2- is bonded to six C+1.33+ atoms to form distorted edge-sharing OsC6 octahedra. There are a spread of Os–C bond distances ranging from 2.08–2.15 Å. In the third Os2- site, Os2- is bonded in a 6-coordinate geometry to six C+1.33+ atoms. There are a spread of Os–C bond distances ranging from 2.12–2.18 Å. There are three inequivalent C+1.33+ sites. In the first C+1.33+ site, C+1.33+ is bonded in a 4-coordinate geometry to four Os2- atoms. In the second C+1.33+ site, C+1.33+ is bonded in a distorted pentagonal planar geometry to five Os2- atoms. In the third C+1.33+ site, C+1.33+ is bonded in a 4-coordinate geometry to four Os2- atoms.