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PtTe crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of six PtTe sheets oriented in the (0, 0, 1) direction. Pt2+ is bonded in a distorted trigonal non-coplanar geometry to three equivalent Te2- atoms. All Pt–Te bond lengths are 2.63 Å. Te2- is bonded in a 3-coordinate geometry to three equivalent Pt2+ atoms.
Pt3Te4 crystallizes in the monoclinic C2/m space group. The structure is one-dimensional and consists of two Pt3Te4 ribbons oriented in the (0, 1, 0) direction. there are two inequivalent Pt+2.67+ sites. In the first Pt+2.67+ site, Pt+2.67+ is bonded in a T-shaped geometry to three Te2- atoms. There are two shorter (2.69 Å) and one longer (2.74 Å) Pt–Te bond lengths. In the second Pt+2.67+ site, Pt+2.67+ is bonded in a linear geometry to two equivalent Te2- atoms. Both Pt–Te bond lengths are 2.58 Å. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 2-coordinate geometry to two equivalent Pt+2.67+ atoms. In the second Te2- site, Te2- is bonded in a 5-coordinate geometry to two Pt+2.67+ atoms.
PtTe2 is Calaverite structured and crystallizes in the trigonal P-3m1 space group. The structure is two-dimensional and consists of one PtTe2 sheet oriented in the (0, 0, 1) direction. Pt4+ is bonded to six equivalent Te2- atoms to form edge-sharing PtTe6 octahedra. All Pt–Te bond lengths are 2.73 Å. Te2- is bonded in a 3-coordinate geometry to three equivalent Pt4+ atoms.
Pt2Te3 crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of six PtTe sheets oriented in the (0, 0, 1) direction and six PtTe2 sheets oriented in the (0, 0, 1) direction. In each PtTe sheet, Pt3+ is bonded in a distorted trigonal non-coplanar geometry to three equivalent Te2- atoms. All Pt–Te bond lengths are 2.64 Å. Te2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent Pt3+ atoms. In each PtTe2 sheet, Pt3+ is bonded to six Te2- atoms to form edge-sharing PtTe6 octahedra. There are three shorter (2.71 Å) and three longer (2.72 Å) Pt–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 3-coordinate geometry to three equivalent Pt3+ atoms. In the second Te2- site, Te2- is bonded in a 3-coordinate geometry to three equivalent Pt3+ atoms.
Pt2Te3 crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of two PtTe sheets oriented in the (0, 0, 1) direction and two PtTe2 sheets oriented in the (0, 0, 1) direction. In each PtTe sheet, Pt3+ is bonded in a distorted trigonal non-coplanar geometry to three equivalent Te2- atoms. All Pt–Te bond lengths are 2.64 Å. Te2- is bonded in a 3-coordinate geometry to three equivalent Pt3+ atoms. In each PtTe2 sheet, Pt3+ is bonded to six Te2- atoms to form edge-sharing PtTe6 octahedra. There are three shorter (2.71 Å) and three longer (2.73 Å) Pt–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 3-coordinate geometry to three equivalent Pt3+ atoms. In the second Te2- site, Te2- is bonded in a 3-coordinate geometry to three equivalent Pt3+ atoms.
PtTe is Caswellsilverite-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Pt2+ is bonded to six equivalent Te2- atoms to form a mixture of corner, edge, and face-sharing PtTe6 octahedra. The corner-sharing octahedral tilt angles are 51°. All Pt–Te bond lengths are 2.84 Å. Te2- is bonded in a 6-coordinate geometry to six equivalent Pt2+ atoms.
Pt3Te4 crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of two PtTe sheets oriented in the (0, 0, 1) direction and one PtTe2 sheet oriented in the (0, 0, 1) direction. In each PtTe sheet, Pt+2.67+ is bonded in a distorted trigonal non-coplanar geometry to three equivalent Te2- atoms. There are two shorter (2.63 Å) and one longer (2.64 Å) Pt–Te bond lengths. Te2- is bonded in a 3-coordinate geometry to three equivalent Pt+2.67+ atoms. In the PtTe2 sheet, Pt+2.67+ is bonded to six equivalent Te2- atoms to form edge-sharing PtTe6 octahedra. All Pt–Te bond lengths are 2.72 Å. Te2- is bonded in a 3-coordinate geometry to three equivalent Pt+2.67+ atoms.