PM7 Sodium hydroxide GWT=0.25 <Na-O> <O-H> GR=CHKL1976 Na 0.00000000 +0 0.0000000 +0 0.0000000 +0 0 0 0 O 1.93000000 +1 0.0000000 +0 0.0000000 +0 1 0 0 H 0.97000000 +1 178.6299653 +1 0.0000000 +0 2 1 0