Table 2: Binding energies (J/moL) without ZPE corrections.

Basis setSystems
1H2(s) + 4H2(L)2H2(s) + 4H2(L)1H2(s) + THF(L)2H2(s) + THF(L)

3-21G-109127-94444.7-401789-413397
3-21G(2p)-177224-173833-462004-492146
3-21++G(2p)-68053.5-67814.3-364911-364378
6-31G-33163.7-15373.6-239359-229933
6-31G(2p)-86029.8-78640.6-298451-303645
6-31++G(2p)-43176.3-38384.7-270762-264164