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PtTi is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ti2+ is bonded in a body-centered cubic geometry to eight equivalent Pt2- atoms. All Ti–Pt bond lengths are 2.75 Å. Pt2- is bonded in a body-centered cubic geometry to eight equivalent Ti2+ atoms.
Pt3Ti is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ti2+ is bonded to twelve equivalent Pt+0.67- atoms to form TiPt12 cuboctahedra that share corners with twelve equivalent TiPt12 cuboctahedra, edges with twenty-four equivalent PtTi4Pt8 cuboctahedra, faces with six equivalent TiPt12 cuboctahedra, and faces with twelve equivalent PtTi4Pt8 cuboctahedra. All Ti–Pt bond lengths are 2.79 Å. Pt+0.67- is bonded to four equivalent Ti2+ and eight equivalent Pt+0.67- atoms to form distorted PtTi4Pt8 cuboctahedra that share corners with twelve equivalent PtTi4Pt8 cuboctahedra, edges with eight equivalent TiPt12 cuboctahedra, edges with sixteen equivalent PtTi4Pt8 cuboctahedra, faces with four equivalent TiPt12 cuboctahedra, and faces with fourteen equivalent PtTi4Pt8 cuboctahedra. All Pt–Pt bond lengths are 2.79 Å.
Ti3Pt crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Ti is bonded in a 6-coordinate geometry to two equivalent Ti and four equivalent Pt atoms. Both Ti–Ti bond lengths are 2.52 Å. All Ti–Pt bond lengths are 2.82 Å. Pt is bonded to twelve equivalent Ti atoms to form a mixture of edge and face-sharing PtTi12 cuboctahedra.
Pt5Ti3 crystallizes in the orthorhombic Ibam space group. The structure is three-dimensional. there are two inequivalent Ti+3.33+ sites. In the first Ti+3.33+ site, Ti+3.33+ is bonded in a distorted q6 geometry to ten Pt2- atoms. There are a spread of Ti–Pt bond distances ranging from 2.67–2.86 Å. In the second Ti+3.33+ site, Ti+3.33+ is bonded to eight Pt2- atoms to form a mixture of distorted edge and corner-sharing TiPt8 hexagonal bipyramids. There are a spread of Ti–Pt bond distances ranging from 2.64–2.75 Å. There are three inequivalent Pt2- sites. In the first Pt2- site, Pt2- is bonded in a 6-coordinate geometry to six Ti+3.33+ atoms. In the second Pt2- site, Pt2- is bonded in a 12-coordinate geometry to five Ti+3.33+ atoms. In the third Pt2- site, Pt2- is bonded to six Ti+3.33+ atoms to form a mixture of distorted edge and corner-sharing PtTi6 cuboctahedra.
Pt8Ti crystallizes in the tetragonal I4/mmm space group. The structure is one-dimensional and consists of two Pt8Ti ribbons oriented in the (0, 0, 1) direction. Ti4+ is bonded to twelve Pt+0.50- atoms to form face-sharing TiPt12 cuboctahedra. There are eight shorter (2.76 Å) and four longer (2.77 Å) Ti–Pt bond lengths. There are two inequivalent Pt+0.50- sites. In the first Pt+0.50- site, Pt+0.50- is bonded in a distorted L-shaped geometry to two equivalent Ti4+ atoms. In the second Pt+0.50- site, Pt+0.50- is bonded in a distorted single-bond geometry to one Ti4+ atom.
Pt3Ti is Uranium Silicide-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ti2+ is bonded to twelve equivalent Pt+0.67- atoms to form TiPt12 cuboctahedra that share corners with six equivalent TiPt12 cuboctahedra, corners with twelve equivalent PtTi4Pt8 cuboctahedra, edges with eighteen equivalent PtTi4Pt8 cuboctahedra, faces with eight equivalent TiPt12 cuboctahedra, and faces with twelve equivalent PtTi4Pt8 cuboctahedra. There are six shorter (2.78 Å) and six longer (2.81 Å) Ti–Pt bond lengths. Pt+0.67- is bonded to four equivalent Ti2+ and eight equivalent Pt+0.67- atoms to form distorted PtTi4Pt8 cuboctahedra that share corners with four equivalent TiPt12 cuboctahedra, corners with fourteen equivalent PtTi4Pt8 cuboctahedra, edges with six equivalent TiPt12 cuboctahedra, edges with twelve equivalent PtTi4Pt8 cuboctahedra, faces with four equivalent TiPt12 cuboctahedra, and faces with sixteen equivalent PtTi4Pt8 cuboctahedra. There are six shorter (2.79 Å) and two longer (2.82 Å) Pt–Pt bond lengths.
PtTi is beta-prime cadmium gold structured and crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Ti2+ is bonded in a distorted body-centered cubic geometry to eight equivalent Pt2- atoms. There are a spread of Ti–Pt bond distances ranging from 2.76–2.86 Å. Pt2- is bonded in a 12-coordinate geometry to eight equivalent Ti2+ atoms.