Table 3.

Different components of the fragment interaction energy (in kcal/mol) for stacked thymine oligomers.

Length of oligomers	Frag. interaction energy	Coulomb energy	Exch-repulsion energy	Polarization energy	Dispersion energy
2	−3.75	0.21	1.47	−0.28	−5.15
3	−7.68	0.35	2.93	−0.56	−10.41
4	−11.63	0.48	4.40	−0.83	−15.68
5	−15.60	0.59	5.87	−1.09	−20.96
6	−19.57	0.69	7.34	−1.36	−26.24
7	−23.57	0.76	8.81	−1.61	−31.52
8	−27.55	0.84	10.28	−1.87	−36.80
9	−31.53	0.93	11.75	−2.12	−42.09
10	−35.51	1.02	13.22	−2.38	−47.37
12	−43.44	1.23	16.16	−2.90	−57.93
14	−51.37	1.45	19.10	−3.42	−68.50
16	−59.32	1.64	22.04	−3.94	−79.06
18	−67.26	1.85	24.98	−4.46	−89.62
20	−75.19	2.05	27.91	−4.98	−100.17