MgSi2 crystallizes in the orthorhombic Imma space group. Mg(1) is bonded in a 14-coordinate geometry to two equivalent Mg(1) and twelve equivalent Si(1) atoms. Si(1) is bonded in a 11-coordinate geometry to six equivalent Mg(1) and five equivalent Si(1) atoms.
MgSi2 crystallizes in the orthorhombic Imma space group. Mg(1) is bonded in a 14-coordinate geometry to two equivalent Mg(1) and twelve equivalent Si(1) atoms. Both Mg(1)-Mg(1) bond lengths are 2.75 Å. There are a spread of Mg(1)-Si(1) bond distances ranging from 2.87-2.97 Å. Si(1) is bonded in a 11-coordinate geometry to six equivalent Mg(1) and five equivalent Si(1) atoms. There are a spread of Si(1)-Si(1) bond distances ranging from 2.53-2.81 Å.