CHAPTER 6: Question 3
2D explanations
A The only symmetry element present in this compound is the identity element
E. Hence, the molecule belongs to point group C1
and is chiral since no planes of symmetry or improper axis of rotation
are present.
B In addition to the identity element, this compound contains a C2
axis as shown in the diagram below. The C2 axis is also
an S4 axis, as detailed in the diagram. Hence, the molecule
belongs to point group S2 and is achiral since it contains
an improper axis of rotation. Note that this compound is achiral despite
not containing
any planes of symmetry.
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