4

Hg     -0.018100263358677     -0.215244820745604      0.257170306927120
Hg      1.693619372534220      1.608511001124729      0.042916140404700
Hg      1.539784877913122      0.210974988364860      1.372173624032329
Hg     -0.148737302214392      1.239118655666295      1.771144123279068