A. is-1,2-difluoroethene trans-1,2-difluoroethene m lv. [PdCl.j³

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter15: Introduction To Electronic Spectroscopy And Structure
Section: Chapter Questions
Problem 15.2E: Linearly polarized light can be assigned a specific irreducible representation of a symmetry point...
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A. cis-1,2-difluoroethene
m
trans-1,2-difluoroethene
lv. [PdCl
(b)
A molecule has a point group Ca. The C character table is provided below.
A collection of properties of this molecule is determined to produce the reducible
representation (T) shown at the bottom of the character table, Break this down to
the sum of its component irreducible representations.
4
C₂₂
A
B
A₂
8,
E
2
2 of 10
1
1
1
1
G₂
1
-1
1
-1
2
I
1
1
-1
-1
0
0₂
1
-1
1
0
R₁
R.R
I
xV
².², 2², xy
Would a bond stretch of B, symmetry be predicted to be IR or Raman active, both, or
neither?
(c) For the borane B-H, provide the cage electron count, the deltahedron from which it
will get its structure, and which class of cluster it is. In addition to this, draw the
structure. Diagrams of deltahedra are provided below.
Transcribed Image Text:A. cis-1,2-difluoroethene m trans-1,2-difluoroethene lv. [PdCl (b) A molecule has a point group Ca. The C character table is provided below. A collection of properties of this molecule is determined to produce the reducible representation (T) shown at the bottom of the character table, Break this down to the sum of its component irreducible representations. 4 C₂₂ A B A₂ 8, E 2 2 of 10 1 1 1 1 G₂ 1 -1 1 -1 2 I 1 1 -1 -1 0 0₂ 1 -1 1 0 R₁ R.R I xV ².², 2², xy Would a bond stretch of B, symmetry be predicted to be IR or Raman active, both, or neither? (c) For the borane B-H, provide the cage electron count, the deltahedron from which it will get its structure, and which class of cluster it is. In addition to this, draw the structure. Diagrams of deltahedra are provided below.
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