# Species Formula 61 Vinyl, cationC2H3 62 VinylC2H3 63 Ethylene, cationC2H4 64 Ethylene (Geo)C2H4 65 EthyleneC2H4 66 MethylmethyleneC2H4 67 Ethyl, cationC2H5 68 Ethyl radicalC2H5 69 Ethane (Geo)C2H6 70 EthaneC2H6 71 Lithium acetylide (Geo) HLiC2 72 Lithium acetylideHLiC2 73 LiCH=CH2H3LiC2 74 Ethyl lithiumH5LiC2 75 Ethyl lithium (Geo)H5LiC2 76 Dimethylberyllium (Geo)H6BeC2 77 DimethylberylliumH6BeC2 78 C2B4H6C2H6B4 79 C2B4H6 (Geo)C2H6B4 80 Carbon, trimerC3 81 Cyclopropenyl, cationC3H3
PM7 Lithium acetylide <Li-C> GR=SLW1991 Li 0.00000000 +0 0.0000000 +0 0.0000000 +0 0 0 0 C 1.89100000 +1 0.0000000 +0 0.0000000 +0 1 0 0 C 1.20800912 +1 180.0000000 +0 0.0000000 +0 2 1 0 H 1.02280892 +1 180.0000000 +0 0.0000000 +0 3 2 1