PGMol
Local analysis · your structure never leaves this browser

MOLECULAR POINT-GROUP ANALYZER

Every molecule has
a hidden order.

Drop in Cartesian coordinates. PGMol discovers the rotations, reflections, and inversions that define your molecule—entirely in your browser.

water · H₂O
DRAG TO ROTATE · SCROLL TO ZOOM
XYZ

HOW IT WORKS

Geometry, not guesswork.

  1. 01
    Center

    Translate the molecular centroid to the origin.

  2. 02
    Transform

    Generate candidate orthogonal operations from atomic frames.

  3. 03
    Match

    Verify one-to-one, element-aware atomic correspondence.

  4. 04
    Classify

    Map the complete operation set to its Schoenflies group.