Flow chart based determination of
symmetry point groups

| Key | i | centre of inversion |
| C2 | 2-fold rotational axis | |
| Cn | n-fold rotational axis | |
| &sigmah | horizontal (and, with respect to the principal axis perpendicular) mirror plane | |
| σv | vertical (and, with respect to the principal axis parallel) mirror plane | |
| σd | diagonal mirror plane | |
| Sn | rotatory-reflection plane |
Auf diesem Webangebot gilt die Datenschutzerklärung der TU Braunschweig mit Ausnahme der Abschnitte VI, VII und VIII.