Table 4: Conformers and torsion schemes.

speciesnumber of conformers schemeb

2 U
2 U
1U
1C
4 C
4 U
6 U
3 C
2 C
2 U
2U
2C

The number in parentheses represents how many pairs of mirror structures are included in the conformers. b U denotes that the two defined torsions are considered as uncoupled, and C denotes that they are treated as coupled.