TiOsSi is delta Molybdenum Boride-derived structured and crystallizes in the orthorhombic Ima2 space group. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded in a 11-coordinate geometry to two equivalent Os(1), four equivalent Os(2), one Si(1), and four equivalent Si(2) atoms. In the second Ti site, Ti(2) is bonded in a 7-coordinate geometry to two equivalent Os(2), one Si(1), and four equivalent Si(2) atoms. In the third Ti site, Ti(3) is bonded in a 9-coordinate geometry to two equivalent Os(1), two equivalent Os(2), one Si(1), and four equivalent Si(2) atoms. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded in a 8-coordinate geometry to two equivalent Ti(1), two equivalent Ti(3), two equivalent Si(1), and two equivalent Si(2) atoms. In the second Os site, Os(2) is bonded in a 8-coordinate geometry to one Ti(2), one Ti(3), two equivalent Ti(1), two equivalent Si(1), and two equivalent Si(2) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 8-coordinate geometry to one Ti(1), one Ti(2), one Ti(3), two equivalent Os(1), and four equivalent Os(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to two equivalent Ti(1), two equivalent Ti(2), two equivalent Ti(3), one Os(1), and two equivalent Os(2) atoms.
TiOsSi is delta Molybdenum Boride-derived structured and crystallizes in the orthorhombic Ima2 space group. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded in a 11-coordinate geometry to two equivalent Os(1), four equivalent Os(2), one Si(1), and four equivalent Si(2) atoms. Both Ti(1)-Os(1) bond lengths are 2.84 Å. All Ti(1)-Os(2) bond lengths are 2.73 Å. The Ti(1)-Si(1) bond length is 2.90 Å. There are two shorter (2.61 Å) and two longer (2.65 Å) Ti(1)-Si(2) bond lengths. In the second Ti site, Ti(2) is bonded in a 7-coordinate geometry to two equivalent Os(2), one Si(1), and four equivalent Si(2) atoms. Both Ti(2)-Os(2) bond lengths are 2.79 Å. The Ti(2)-Si(1) bond length is 2.64 Å. There are two shorter (2.62 Å) and two longer (2.64 Å) Ti(2)-Si(2) bond lengths. In the third Ti site, Ti(3) is bonded in a 9-coordinate geometry to two equivalent Os(1), two equivalent Os(2), one Si(1), and four equivalent Si(2) atoms. Both Ti(3)-Os(1) bond lengths are 2.77 Å. Both Ti(3)-Os(2) bond lengths are 2.83 Å. The Ti(3)-Si(1) bond length is 2.67 Å. There are two shorter (2.62 Å) and two longer (2.63 Å) Ti(3)-Si(2) bond lengths. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded in a 8-coordinate geometry to two equivalent Ti(1), two equivalent Ti(3), two equivalent Si(1), and two equivalent Si(2) atoms. Both Os(1)-Si(1) bond lengths are 2.48 Å. Both Os(1)-Si(2) bond lengths are 2.47 Å. In the second Os site, Os(2) is bonded in a 8-coordinate geometry to one Ti(2), one Ti(3), two equivalent Ti(1), two equivalent Si(1), and two equivalent Si(2) atoms. There is one shorter (2.41 Å) and one longer (2.46 Å) Os(2)-Si(1) bond length. Both Os(2)-Si(2) bond lengths are 2.45 Å. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 8-coordinate geometry to one Ti(1), one Ti(2), one Ti(3), two equivalent Os(1), and four equivalent Os(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to two equivalent Ti(1), two equivalent Ti(2), two equivalent Ti(3), one Os(1), and two equivalent Os(2) atoms.