4

H       0.457129473011075      0.141094445547301      0.319886167505688
H       1.422405580964667      1.223403074012975      0.119515791609655
He      1.203761964599581      0.134435568832774      1.410940053090443
W       0.202361867469919      1.724750793745531      1.279279991383225