Determine point group





Number of atoms 8
Sum formula C4 H4
Molecular weight 52.03









Rotational Analysis
Rotational Constant A (GHz) 13.7589
Rotational Constant B (GHz) 13.7589
Rotational Constant C (GHz) 13.7589
Classification : Spherical top




Symmetry adapted cartesian coordinates
Atom Number Atomic Symbol Atomic Number x-Coordinate (Angstrom) y-Coordinate (Angstrom) z-Coordinate (Angstrom)
1 C 6 0.522835 0.522835 0.522835
2 C 6 -0.522835 -0.522835 0.522835
3 C 6 -0.522835 0.522835 -0.522835
4 C 6 0.522835 -0.522835 -0.522835
5 H 1 1.140600 -1.140600 -1.140600
6 H 1 -1.140600 1.140600 -1.140600
7 H 1 -1.140600 -1.140600 1.140600
8 H 1 1.140600 1.140600 1.140600









Determined point group Td
Subgroups Cs , C2 , C3 , D2 , C2v , C3v , D2d , S4 , T



3N representation
group E 8C3 3C2 6S4 6d -
Td 24 0 0 0 4 Submit
Cs 24 - - - 4 Submit
C2 24 - 0 - - Submit
C3 24 0 - - - Submit
D2 24 - 0 - - Submit
C2v 24 - 0 - 4 Submit
C3v 24 0 - - 4 Submit
D2d 24 - 0 0 4 Submit
S4 24 - 0 0 - Submit
T 24 0 0 - - Submit









Determine point group from cartesian coordinates Character tables for chemically important point groups Determine point group from internal coordinates