OPEN(2,3) MECI PM7 Boron dimer HR=HLKS1979 H=198.4 B 0.00000000 +0 0.0000000 +0 0.0000000 +0 0 0 0 B 1.24501299 +1 0.0000000 +0 0.0000000 +0 1 0 0