MgO 4.1910818400 0.500000000000000 0.500000000000000 0.000000000000000 0.000000000000000 0.500000000000000 0.500000000000000 0.500000000000000 0.000000000000000 0.500000000000000 Mg O 1 1 Direct 0.000000000000000 0.000000000000000 0.000000000000000 0.500000000000000 0.500000000000000 0.500000000000000