May 23, 2019, 03:35:24 AM
Forum Rules: Read This Before Posting


Topic: Why does trans-1,2-dichloroethylene doesn't possess an improper rotation (S)?  (Read 163 times)

0 Members and 1 Guest are viewing this topic.

Offline AussieKenDoll

  • Regular Member
  • ***
  • Posts: 65
  • Mole Snacks: +0/-0
Why does trans-1,2-dichloroethylene doesn't possess an improper rotation (S) as there are C2 and sigma h(Horizontal reflection)?

Offline mjc123

  • Chemist
  • Sr. Member
  • *
  • Posts: 1576
  • Mole Snacks: +225/-9
Where C2 and σh symmetry elements exist, their combination is equivalent to i (inversion through a centre of symmetry). S2 ≡ i.

Sponsored Links