# Species Formula 21 Lithium beryllium hydrideHLiBe 22 Beryllium, dimerBe2 23 Boron, cationB 24 Boron, atomB 25 BH (Geo)HB 26 Borane(1)HB 27 BH2 (Geo)H2B 28 Borane(2)H2B 29 BoraneH3B 30 Boron dimer (Geo)B2 31 Boron dimer B2 32 B2H4 (C2v) (Geo)H4B2 33 Diborane(4)H4B2 34 Diborane (Geo)H6B2 35 DiboraneH6B2 36 B4H10 (Geo)H10B4 37 Tetraborane(10)H10B4 38 B5H9 (Geo)H9B5 39 Pentaborane(9)H9B5 40 B5H11 (Geo)H11B5 41 Pentaborane(11)H11B5
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