Materials Data on Nb4CuSi by Materials Project
Nb4CuSi is Khatyrkite-derived structured and crystallizes in the tetragonal P4/mcc space group. The structure is three-dimensional. Nb is bonded in a 4-coordinate geometry to two equivalent Cu and two equivalent Si atoms. Both Nb–Cu bond lengths are 2.68 Å. Both Nb–Si bond lengths are 2.66 Å. Cu is bonded in a 10-coordinate geometry to eight equivalent Nb and two equivalent Cu atoms. Both Cu–Cu bond lengths are 2.54 Å. Si is bonded in a 10-coordinate geometry to eight equivalent Nb and two equivalent Si atoms. Both Si–Si bond lengths are 2.54 Å.