Reference Label	Details
Ruscic W1RO	W1RO calculation
Ruscic G4	G4 calculation
Ruscic G3B3	G3B3LYP calculation; B3LYP/6-31G(d) frequencies are scaled by 0.9614 (see Scott 1996)
East 1998	A. L. L. East, Z. F. Liu, C. McCague, K. Cheng, and J. S. Tse, J. Phys. Chem. A 102, 10903-10911 (1998) The Three Isomers of Protonated Ethane, C2H7+
Carneiro 1994	J. W. de M. Carneiro, P. v. R. Schleyer, M. Saunders, R. Remington, H. F. Schaefer III, A. Rauk, and T. S. Sorensen, J. Am. Chem. Soc. 116, 3483-3493 (1994) Protonated Ethane. A Theoretical Investigation of C2H7+ Structures and Energies