PM7 Silicon difluoride H=-141.2 HR=RW1983 Si 0.00000000 +0 0.0000000 +0 0.0000000 +0 0 0 0 F 1.52203647 +1 0.0000000 +0 0.0000000 +0 1 0 0 F 1.52203683 +1 177.7804358 +1 0.0000000 +0 1 2 0