MgMnGe is Matlockite structured and crystallizes in the tetragonal P4/nmm space group. Mg(1) is bonded in a 9-coordinate geometry to four equivalent Mn(1) and five equivalent Ge(1) atoms. Mn(1) is bonded in a 4-coordinate geometry to four equivalent Mg(1) and four equivalent Ge(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to five equivalent Mg(1) and four equivalent Mn(1) atoms.
MgMnGe is Matlockite structured and crystallizes in the tetragonal P4/nmm space group. Mg(1) is bonded in a 9-coordinate geometry to four equivalent Mn(1) and five equivalent Ge(1) atoms. All Mg(1)-Mn(1) bond lengths are 2.97 Å. There is one shorter (2.73 Å) and four longer (2.90 Å) Mg(1)-Ge(1) bond lengths. Mn(1) is bonded in a 4-coordinate geometry to four equivalent Mg(1) and four equivalent Ge(1) atoms. All Mn(1)-Ge(1) bond lengths are 2.57 Å. Ge(1) is bonded in a 9-coordinate geometry to five equivalent Mg(1) and four equivalent Mn(1) atoms.