Nb4CuSi is Khatyrkite-derived structured and crystallizes in the tetragonal P4/mcc space group. Nb(1) is bonded in a 4-coordinate geometry to two equivalent Cu(1) and two equivalent Si(1) atoms. Cu(1) is bonded in a 10-coordinate geometry to eight equivalent Nb(1) and two equivalent Cu(1) atoms. Si(1) is bonded in a 10-coordinate geometry to eight equivalent Nb(1) and two equivalent Si(1) atoms.
Nb4CuSi is Khatyrkite-derived structured and crystallizes in the tetragonal P4/mcc space group. Nb(1) is bonded in a 4-coordinate geometry to two equivalent Cu(1) and two equivalent Si(1) atoms. Both Nb(1)-Cu(1) bond lengths are 2.68 Å. Both Nb(1)-Si(1) bond lengths are 2.66 Å. Cu(1) is bonded in a 10-coordinate geometry to eight equivalent Nb(1) and two equivalent Cu(1) atoms. Both Cu(1)-Cu(1) bond lengths are 2.54 Å. Si(1) is bonded in a 10-coordinate geometry to eight equivalent Nb(1) and two equivalent Si(1) atoms. Both Si(1)-Si(1) bond lengths are 2.54 Å.