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TcN is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Tc3+ is bonded in a body-centered cubic geometry to eight equivalent N3- atoms. All Tc–N bond lengths are 2.32 Å. N3- is bonded in a body-centered cubic geometry to eight equivalent Tc3+ atoms.
TcN is Zincblende, Sphalerite structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Tc3+ is bonded to four equivalent N3- atoms to form corner-sharing TcN4 tetrahedra. All Tc–N bond lengths are 1.99 Å. N3- is bonded to four equivalent Tc3+ atoms to form corner-sharing NTc4 tetrahedra.
TcN is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Tc3+ is bonded to six equivalent N3- atoms to form a mixture of edge and corner-sharing TcN6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Tc–N bond lengths are 2.16 Å. N3- is bonded to six equivalent Tc3+ atoms to form a mixture of edge and corner-sharing NTc6 octahedra. The corner-sharing octahedral tilt angles are 0°.
TcN crystallizes in the tetragonal P4_2/mmc space group. The structure is three-dimensional. Tc3+ is bonded in a square co-planar geometry to four equivalent N3- atoms. All Tc–N bond lengths are 2.05 Å. N3- is bonded in a 4-coordinate geometry to four equivalent Tc3+ atoms.
TcN is Tungsten Carbide-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Tc3+ is bonded to six equivalent N3- atoms to form a mixture of corner, edge, and face-sharing TcN6 octahedra. The corner-sharing octahedral tilt angles are 44°. All Tc–N bond lengths are 2.17 Å. N3- is bonded to six equivalent Tc3+ atoms to form a mixture of distorted corner and edge-sharing NTc6 pentagonal pyramids.
Tc3N is Molybdenite-like structured and crystallizes in the hexagonal P-6m2 space group. The structure is two-dimensional and consists of one technetium molecule and one Tc2N sheet oriented in the (0, 0, 1) direction. In the Tc2N sheet, Tc1+ is bonded in a distorted T-shaped geometry to three equivalent N3- atoms. All Tc–N bond lengths are 2.14 Å. N3- is bonded to six equivalent Tc1+ atoms to form distorted edge-sharing NTc6 pentagonal pyramids.
Tc2N is Molybdenite structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is two-dimensional and consists of two Tc2N sheets oriented in the (0, 0, 1) direction. Tc+1.50+ is bonded in a distorted T-shaped geometry to three equivalent N3- atoms. All Tc–N bond lengths are 2.15 Å. N3- is bonded to six equivalent Tc+1.50+ atoms to form distorted edge-sharing NTc6 pentagonal pyramids.