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Objective fn.

Full

Fit 0: TIG*

5.4766E+03

Fit 1: TIG* without filtering ring-torsions

5.4807E+03

Fit 2: non-interpolated with 2 phases

3.0181E+05

Fit 3: non-interpolated with 1 phase

running

Chaya’s dataset only using fit0-FF

3.2455E+02

OpenFF_1.3.0 (Iter 0 on TIG dataset)

5.9620e+03

...

9620E+03

Iter 0 with CN, or CC central bonds only

CN only TIGs [1a, 1c, 1d, 2, 6, 7, 8] + [t43, 44, 45]

5.4844E+03

CC only TIGs [0, 1b, 3, 4, 5a, 5b] + [t69, 69a, 76, 77, 78]

5.8771E+03

Fit0 is better than 1.3.0 from the objective function values in the above table. Among CN and CC central bonds, CN has a lower objective function value and thus effect of CC is more dominant on the overall objective function.

Some of the better looking TD curves are:

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