[gmx-users] Which force field is fit current simulation?

[主月 ：）]

Hi everyone:
In the manual it said "If you don’t know which one to select we recommend Gromos96 for united-atom setups and
OPLS-AA/L for all-atom parameters." also "GROMOS-96 is not, however, recommended for use with long alkanes and lipids."
Now i want to simulate very simple polymer polyethylene C300H602 and i will use CH2 as united atom. Which force field is fit current simulation?
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