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Trigonal: D3d (-3m) |
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| D3d | E | 2C3 | 3C2 | i | 2S6 |
3 d |
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| A1g | 1 | 1 | 1 | 1 | 1 | 1 | x2+y2, z2 | |
| A2g | 1 | 1 | -1 | 1 | 1 | -1 | Iz | |
| Eg | 2 | -1 | 0 | 2 | -1 | 0 | (Ix, Iy) | (x2-y2, xy), (yz, zx) |
| A1u | 1 | 1 | 1 | -1 | -1 | -1 | ||
| A2u | 1 | 1 | -1 | -1 | -1 | 1 | z | |
| Eu | 2 | -1 | 0 | -2 | 1 | 0 | (x, y) |
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| Stereograph | 3D object | Molecule C2H6 (Staggered Ethane) | |