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(a)
Interpretation:
Whether the given combination of symmetry operations constitutes a complete group or not is to be determined. The missing symmetry operation(s) are to be supplied if the given combination does not constitute a complete group.
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 group of symmetry operations of which at least one point is kept fixed is called point group. The symmetry operations can be identity, rotation, reflection, inversion and improper rotation.
(b)
Interpretation:
Whether the given combination of symmetry operations constitutes a complete group or not is to be determined. The missing symmetry operation(s) are to be supplied if the given combination does not constitute a complete group.
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 group of symmetry operations of which at least one point is kept fixed is called point group. The symmetry operations can be identity, rotation, reflection, inversion and improper rotation.
(c)
Interpretation:
Whether the given combination of symmetry operations constitutes a complete group or not is to be determined. The missing symmetry operation(s) are to be supplied if the given combination does not constitute a complete group.
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 group of symmetry operations of which at least one point is kept fixed is called point group. The symmetry operations can be identity, rotation, reflection, inversion and improper rotation.
(d)
Interpretation:
Whether the given combination of symmetry operations constitutes a complete group or not is to be determined. The missing symmetry operation(s) are to be supplied if the given combination does not constitute a complete group.
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 group of symmetry operations of which at least one point is kept fixed is called point group. The symmetry operations can be identity, rotation, reflection, inversion and improper rotation.
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Chapter 13 Solutions
Physical Chemistry
- Identify the symmetry elements present in the following objects. a The Eiffel Tower. You may have to look up a picture of it if you dont remember its shape b Any book ignore the printing. c An octagonal wood block. d A jack from the set of jacks pictured here: Note that some of the points end differently.arrow_forwardIn your own words, explain why an object that has more symmetry elements is said to have higher symmetry than an object with fewer symmetry elements.arrow_forwardDraw the shape of the [XeFs] ion and answer the questions below: (i) List the symmetry elements and the symmetry operations of the [XEF5] ion. (ii) What is the point group of the [XeF5] ion? What is the order of the point group of the [XeFs] ion? (iii) Using the [XeF5] as an example, show that C" = E.arrow_forward
- Draw the shape of the [XeF5]- ion and answer the questions below: (i) List the symmetry elements and the symmetry operations of the [XeF5]- ion. (ii) What is the point group of the [XeF5]- ion? What is the order of the point group of the [XeF5]- ion? (iii) Using the [XeF5]- as an example, show that Cnn ≡ E.arrow_forward4. (a) Identify the principal (z) rotational axis for all molecules provided below. (b) Provide a complete list of symmetry operations for each of the following molecules. (c) Which molecules posses identical sets of symmetry operations? Me Me Me Me H3N NH3 NO Oc-FeCO ON-F COarrow_forwardDraw the shape of the [XeF5]- ion and answer the questions below: (i) List the symmetry elements and the symmetry operations of the [XeF5]- ion.arrow_forward
- What is the difference between the symmetry operators and point groups of NF3 and NF2CI?arrow_forward(c) Determine the results of the following multiplications of symmetry operations for the anthracene molecule (chemical structure shown below, C2 represents the main axis). [5 (i) C2. Oh (ii) i C₂ (iii) E-ov O 500arrow_forwardWhat is the symmetry element corresponding to (a) Cn, (b) s, (c) i, (d) Sn? What is the symmetry operation corresponding to ?53?arrow_forward
- 1. Draw sketches to identify the following symmetry elements: (a) a C3 axis and a o, plane in the NH3 molecule (b) a C4 axis and a on plane in the square-planar [PtCl4]²-arrow_forwardWhat are the symmetry elements of 2-butene assuming CH3 is spherical?arrow_forwardHW 1-1: How many independent symmetry operations generate the compound rotation axis S4 produce?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage LearningPhysical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
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