Using pictures, show that the d(x^2-y^2) orbital has B1 symmetry in the C4v point group
Correlation Table:
C4v | C4 | C2v (σv) | C2v (σd) | C2 | Cs (σv) | Cs (σd) |
A1 | A | A1 | A1 | A | A’ | A’ |
A2 | A | A2 | A2 | A | A’’ | A’’ |
B1 | B | A1 | A2 | A | A’ | A’’ |
B2 | B | A2 | A1 | A | A’’ | A’ |
E | E | B1+B2 | B1+B2 | 2B | A’+A’’ | A’+A’’ |
Representation Products:
⊗ | A1 | A2 | B1 | B2 | E |
A1 | A1 | A2 | B1 | B2 | E |
A2 | A2 | A1 | B2 | B1 | E |
B1 | B1 | B2 | A1 | A2 | E |
B2 | B2 | B1 | A2 | A1 | E |
E | E | E | E | E | A1+A2+B1+B2 |
Transition Products:
For the C4v point group, the irreducible representation of the dipole operator is A1+E. Transitions that are dipole forbidden are indicated by parentheses.
⊗(A1+E)⊗ | A1 | A2 | B1 | B2 | E |
A1 | A1+E | (A2+E) | (B1+E) | (B2+E) | A1+A2+B1+B2+E |
A2 | (A2+E) | A1+E | (B2+E) | (B1+E) | A1+A2+B1+B2+E |
B1 | (B1+E) | (B2+E) | A1+E | (A2+E) | A1+A2+B1+B2+E |
B2 | (B2+E) | (B1+E) | (A2+E) | A1+E | A1+A2+B1+B2+E |
E | A1+A2+B1+B2+E | A1+A2+B1+B2+E | A1+A2+B1+B2+E | A1+A2+B1+B2+E | A1+A2+B1+B2+4E |
Character Table:
C4v | E | C2 | 2C4 | 2σv | 2σd | Linear | Quadratic | Cubic |
A1 | 1 | 1 | 1 | 1 | 1 | z | x2+y2, z2 | z3, z(x2+y2) |
A2 | 1 | 1 | 1 | -1 | -1 | Iz | ||
B1 | 1 | 1 | -1 | 1 | -1 | x2-y2 | z(x2−y2) | |
B2 | 1 | 1 | -1 | -1 | 1 | xy | xyz | |
E | 2 | -2 | 0 | 0 | 0 | (x, y), (Ix, Iy) | (xz, yz) | (xz2, yz2) (xy2, x2y) (x3, y3) |
Stereograph | 3D object |
Molecule SF5 Cl (Sulphur chloride pentafluoride) |
Using pictures, show that the d(x^2-y^2) orbital has B1 symmetry in the C4v point group
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