Intra-basepair Parameters Buckle (°) -1.56 Open angle (°) -6.83 Propeller (°) -23.77 Stagger (Å) -0.05 Shear (Å) 0.67 Stretch (Å) 2.75

Basepair Geometry C1'-C1' Distance (Å) 5.87 C6/C8-C6/C8 Distance (Å) 6.12 Openiing (°) 5.26 Glycosidic angle - 1 (°) 124.03 Glycosidic angle - 2 (°) 51.09

Quantum Chemical interaction energy (MP2) = -34.79 Kcal/mol
(Ref: Chawla et al., J.Phy.Chem.B, 115, 1469)

Intra-basepair parameters and basepair geometry are calculated by NUPARM.