Table 1. Interaction definitions in the model.

	Interaction	Interaction potential	Interaction constant	Value
1	Longitudinal tension or compression			3.0 nN/nm
2	Lateral tension or compression			14.0 nN/nm
3	Diagonal tension or compression			3.0 nN/nm
4	Longitudinal bending			2.0 nN·nm
5	Lateral bending			8.5 nN·nm
6	Longitudinal dihedral bending			0.04 nN·nm
7	Lateral dihedral bending			0.17 nN·nm