XMOL molecule model files. Used in cheminformatics applications and on the web for storing and exchanging 3D molecule models. Plain text tabular format. Represents a single chemical compound. Stores atomic coordinates and meta-information. Does not store chemical bond information. Developed in 1990 at the Minnesota Supercomputer Center.
File extension is used by RM2k XYZ Graphics Format.
File used by various chemistry programs, such as TINKER and UniChem; contains a description of a molecule, including the number of atoms, element symbol, and X, Y, and Z coordinates; stored in a plain text format.