4

Mg     -0.165004444493704     -0.094810514967566     -0.177691561099719
Mg      2.035491598064096      1.847864201591614     -0.061419271853544
Mg      1.776773945077700      0.154887825454511      2.184885403162094
Mg     -0.297542548239200      2.289310824750570      1.812918655474016