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NpTe is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Np is bonded in a body-centered cubic geometry to eight equivalent Te atoms. All Np–Te bond lengths are 3.27 Å. Te is bonded in a body-centered cubic geometry to eight equivalent Np atoms.
NpTe is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Np is bonded to six equivalent Te atoms to form a mixture of corner and edge-sharing NpTe6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Np–Te bond lengths are 3.11 Å. Te is bonded to six equivalent Np atoms to form a mixture of corner and edge-sharing TeNp6 octahedra. The corner-sharing octahedral tilt angles are 0°.