.atoms is Ribbons atoms data
Key Features: .ATOMS File Extension
What is an .ATOMS file?
The atoms file extension is associated with the Ribbons and used for atoms files.
These are ASCII files consisting of lists of filenames, one to a line. Each filename refers to a .sph or .cyl for atoms or texts and bonds respectively. These files provide groups of atoms, text or bonds whose graphical attributes may be modified.