4

Hg      0.044697547141098     -0.112947176346029     -0.239326242919575
Hg      1.403255195268195      1.092050574725363      0.093982717557590
Hg      1.713733660706303      0.163356908200317      1.406921416409589
Hg      0.205100623164324      1.330188371274467      1.417449461740261