6
dimer
O -1.50776 0.123286 0
H -1.91637 -0.739664 0
H -0.56239 -0.0571097 0
O 1.40968 -0.125131 0
H 1.74485 0.354206 -0.756643
H 1.74485 0.354206 0.756643
