4

Mg     -0.117988029405912     -0.066994074176567      0.225865614041473
Mg      1.793911941800705      1.226145294387826      0.021031448075832
Mg      1.277613557730307      0.182202042859078      1.393628405779479
Mg      0.235738571974043      1.527241716115138      1.275381499092299