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