Mg Si 1.0000000000000000 4.0547399077960886 -0.0000000000000000 -0.0000000000000000 -2.0273699538980443 3.5115077658899829 0.0000000000000000 -0.0000000000000000 0.0000000000000000 4.8114799676206950 Mg Si 4 2 Selective dynamics Cartesian 0.0000000000000000 0.0000000000000000 0.0000000000000000 T T T -0.0000000000000000 0.0000000000000000 2.4057399838103475 T T T 0.0000000000000001 2.3410051772599889 1.2028699919051737 T T T 2.0273699538980443 1.1705025886299945 3.6086099757155203 T T T 0.0000000000000001 2.3410051772599889 3.6086099757155203 T T T 2.0273699538980443 1.1705025886299945 1.2028699919051737 T T T