Si is Copper structured and crystallizes in the cubic Fm-3m space group. Si(1) is bonded to twelve equivalent Si(1) atoms to form a mixture of corner, face, and edge-sharing SiSi12 cuboctahedra.
Si is Copper structured and crystallizes in the cubic Fm-3m space group. Si(1) is bonded to twelve equivalent Si(1) atoms to form a mixture of corner, face, and edge-sharing SiSi12 cuboctahedra. All Si(1)-Si(1) bond lengths are 2.70 Å.