A question about 1-3 bond

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1

HI,

If I want to apply harmonic bonds on 1-3 body in the molecule, can I simply add them in the Bonds list in the data file as for 1-2 bond? Is any other command needed to be addressed rather than the number of bonds? Thank you.

Best,

2

HI,

If I want to apply harmonic bonds on 1-3 body in the molecule, can I simply
add them in the Bonds list in the data file as for 1-2 bond? Is any other
command needed to be addressed rather than the number of bonds? Thank you.

you can add bonds to about any pair of atoms in your system.
LAMMPS doesn't care whether those are "real" or not.
it will only be refused, if you reach some internal limitations.

axel.