codxyz2ortho(1) on Linux
The text 49c5cad652d3, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it. The page shows this text now.
take an XYZ format [1] molecular file and convert coordinates to orthogonal ones (assuming that they were fractional in the original file). Unit cell constants can be given as command line option parameters. [1] https://en.wikipedia.org/wiki/XYZ_file_format