4

Mg     -0.217703046161334      0.020310356140109      0.187453438508874
Mg      1.474766946839195      1.379707772205792      0.277115278894340
Mg      1.378711180064539      0.136160820792240      1.264292601603787
Mg      0.202961545812198      1.719805276800390      1.799776546658485