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Definition
A linear molecule with an inversion center.
Example: H2 |
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Definition
A linear molecule that does not have an inversion center.
Example: HCN |
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Definition
A nonlinear molecule that has 2 or more Cn symmetries (where n>2), an inversion center, and a C5 symmetry.
This is a high symmetry molecule.
Example: A buckey ball (C60) |
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Definition
A nonlinear molecule that has 2 or more Cn symmetries (where n>2), an inversion center, and does not have a C5 symmetry.
This is a cubic group.
This is a high symmetry molecule.
Example: SF6 |
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Definition
A nonlinear molecule that has 2 or more Cn symmetries (where n>2) but does not have an inversion center.
This is a cubic group.
This is a high symmetry group.
Example: CH4 |
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Definition
A nonlinear molecule that does not have 2 or more Cn symmetries (where n>2), but does have a Cn group. It has n C2 perpendicular to its Cn group and it has a σh plane.
This is a common point group.
Example: C2H4 is ___2___ |
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Definition
A nonlinear molecule that does not have 2 or more Cn symmetries (where n>2), but does have a Cn group. It has n C2 perpendicular to its Cn group. It does not have a σh plane, but it has n σv planes.
Example: C3H4 is ___2____ |
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Definition
A nonlinear molecule that does not have 2 or more Cn symmetries (where n>2), but does have a Cn group. It has n C2 perpendicular to its Cn group. It does not have a σh plane or a σv plane.
Example: [Co(en)3]3+ is ____3 |
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Definition
A nonlinear molecule that does not have 2 or more Cn symmetries (where n>2), but does have a Cn group. It does not have n C2 perpendicular to its Cn group. It has a σh plane.
Example: B(OH)3 is ___3___ |
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Definition
A nonlinear molecule that does not have 2 or more Cn symmetries (where n>2), but does have a Cn group. It does not have n C2 perpendicular to its Cn group. It does not have a σh plane, but it has n σv planes.
Example: Water is ___2___ |
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Definition
A nonlinear molecule that does not have 2 or more Cn symmetries (where n>2), but does have a Cn group. It does not have n C2 perpendicular to its Cn group. It does not have a σh plane or n σv planes. It has S2N symmetry.
This is not a common point group.
Example: 1,3,5,7 -tetrafluoracyclooctatetrane is ___4 |
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Definition
A nonlinear molecule that only has Cn function groups.
Example: C2H4Cl2 |
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Definition
A nonlinear molecule with two symmetry operations: E and σh
Example: CH2BrCl |
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Definition
A nonlinear molecule with two symmetry operations: E and i.
Example: C2H2F2Cl2 |
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Definition
A non linear molecule whose only symmetry is E.
Example: HCFBrCl |
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