(a)
Interpretation:
The number of classes and the order of the given point group is to be predicted.
Concept introduction:
A symmetry operation is defined as an action on an object to reproduce an arrangement that is identical to its original spatial arrangement. The spatial arrangement of the object remains identical after a symmetry operation. The point of reference through which a symmetry operation takes place is termed as a symmetry element.
(b)
Interpretation:
The number of classes and the order of the given point group is to be predicted.
Concept introduction:
A symmetry operation is defined as an action on an object to reproduce an arrangement that is identical to its original spatial arrangement. The spatial arrangement of the object remains identical after a symmetry operation. The point of reference through which a symmetry operation takes place is termed as a symmetry element.
(c)
Interpretation:
The number of classes and the order of the given point group is to be predicted.
Concept introduction:
A symmetry operation is defined as an action on an object to reproduce an arrangement that is identical to its original spatial arrangement. The spatial arrangement of the object remains identical after a symmetry operation. The point of reference through which a symmetry operation takes place is termed as a symmetry element.
(d)
Interpretation:
The number of classes and the order of the given point group is to be predicted.
Concept introduction:
A symmetry operation is defined as an action on an object to reproduce an arrangement that is identical to its original spatial arrangement. The spatial arrangement of the object remains identical after a symmetry operation. The point of reference through which a symmetry operation takes place is termed as a symmetry element.
(e)
Interpretation:
The number of classes and the order of the given point group is to be predicted.
Concept introduction:
A symmetry operation is defined as an action on an object to reproduce an arrangement that is identical to its original spatial arrangement. The spatial arrangement of the object remains identical after a symmetry operation. The point of reference through which a symmetry operation takes place is termed as a symmetry element.
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Physical Chemistry
- 1. Using VSEPR, determine the shape of the molecules, symmetry elements/operation and assign the point group: (a) CCI4 (b) H2C=CH2 (c) CO2 (d) Co,2arrow_forward(c) Using POC13 as an example, develop the reducible representation of its point group.arrow_forwardWhat is the point group of CIOF4" (Cl is the central atom)?arrow_forward
- 5. (a) Deduce the point group of the follo species : OH (i) HO HO, (ü) Co4(Cp)4 (iüi) PF3CI2 (one Cl axial and one Cl equatorial)arrow_forward(b) Work out the point group of- (i) CIF2; (ü) IF5. 1672arrow_forward5. (a) Give the point group for the following. (i) (ii) G (iii) ethylene, H₂C=CH2 (iv) the dxy orbital (including ascf that ICH Is phase)arrow_forward
- Neopentane, C(CH3)4, has Tď symmetry, with character table provided below. Suppose the characters of a reducible representation of this point group are x(E) = 17, x(C3) = 2, x(C₂) = 5, x(S4) = -3, and x(od) = -5 (this is shown explicitly in the last row of the character table). (a) Use the T₁ irreducible representation to determine the order of the point group using the Little Orthogonality Theorem (Vallance Eq. 1.15.13, see Problem 3). (b) Determine how many times each irreducible representation in Ta is contained in this reducible representation. Td A₁ A₂ E Τ1 T₂ r E 1 1 2 3 3 17 8C3 1 1 -1 1 0 0 2 3C₂ 1 1 2 -1 6S4 1 -1 1 101 1.5 7 0 1 713 7. 1.5 -1 -1 60d -3 -1 -1 -5arrow_forwardConsider the octahedral species CrCl63- (point group Oh). What point group results by (d) removing two cis Cl’s (e) removing three mutually adjacent Cl’s.arrow_forwardPCl3 belong to C3V point group ? (b) Write down the totally symmetric representation of the point group of PCl3. (c) What is a symmetry-adapted linear combination of atomic orbitals? (d) Construct a linear-combination of 3s(Cl) atomic orbitals, ?1, such that ?1 belongs to the totally symmetric representation of the point group of PCl3. (e) Construct a linear-combination of 3p(Cl) atomic orbitals, ?2, such that ?2 belongs to the totally symmetric representation of the point group of PCl3.arrow_forward
- Physical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,