freebsd-ports/science/libmsym/pkg-descr

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libmsym is a C library dealing with point group symmetry in molecules.
Features:
* Determine, symmetrize and generate molecules of any point group as well
determine/select subgroups. Get symmetrically equivalent elements and
symmetrize translation of any any element in a molecule.
* Generate character tables for any point group (complex characters form
reducible representations)
* Generate SALCs of real spherical harmonics with any angular momentum for
point groups with real characters (Ci, Cs, Cnv, Dn, Dnh, Dnd, Td, O, Oh,
I and Ih), as well as symmetrize orbitals, determine partner functions etc.