Organic thermochemistry at high ab initio levels. 2. Meeting the challenge: Standard heats of formation of gaseous norbornane, 2-norbornene, 2,5-norbornadiene, cubane, and adamantane at the G2 level

1. Castaño, O.
2. Notario, R.
3. Abboud, J.-L.M.
4. Gomperts, R.
5. Palmeiro, R.
6. Frutos, L.-M.