23 October 2023 1 5K Report

Dear all,

I have the cif file of the MOF structure, the atoms and their indexes goes like this:

C1 1.0 0.3521 0.68248 0.49724

Cr2 1.0 0.6727 0.73299 0.90674

C3 1.0 0.9812 0.86236 0.85294

C4 1.0 0.29174 0.5265 0.71863

...

C1185 1.0 0.17108 0.59341 0.61745

C1186 1.0 0.14289 0.58226 0.66194

C1187 1.0 0.1861 0.67126 0.70408

Cr1188 1.0 0.25915 0.66547 0.69122

...

But in the simulation, we divided the atoms to different types,e.g. only 3 types of carbon atom and 2 types of Cr and so on. The force field is made for the type of atoms such as:

C1 lennard-jones 47.8562 3.47299

C2 lennard-jones 47.8562 3.47299

Cr1 lennard-jones 7.54829 2.69319

Cr2 lennard-jones 7.54829 2.69319

So the data need to be like:

C1 1.0 0.3521 0.68248 0.49724

Cr2 1.0 0.6727 0.73299 0.90674

C1 1.0 0.9812 0.86236 0.85294

C2 1.0 0.29174 0.5265 0.71863

...

C1 1.0 0.17108 0.59341 0.61745

C1 1.0 0.14289 0.58226 0.66194

C2 1.0 0.1861 0.67126 0.70408

Cr2 1.0 0.25915 0.66547 0.69122

...

How do I change the atom index? There are too many atoms for me to do it manually. Is there any software that can do this ?

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