4 He 0.299418885506380 -0.029452346217853 0.357644545588772 H 1.515668017656528 1.468874786625114 0.060133367641116 W 1.660392827579529 0.229604423671347 1.703520433189474 H 0.047657304361472 1.720471650211112 1.561126007121373