amorphous polymer can be used as adsorbent

[h1h2x3]

I notice that the framwork as adsorbent are created from cif file because they are all crystal. If I want to use noncrystalline polymer as a framework, how can I creat such input file for polymer in raspa?

[David Dubbeldam]

The positions of the atoms of the framework are 'input'. There might be tools available (builders) that create these initial structures for you.