Use the internet or Scifinder to find examples of molecules with the following symmetry.

Use the internet or Scifinder to find examples of molecules with the following symmetry. Report the molecules, the URL of the website where you found them or the Scifinder reference, and the search strategy you used :

a. The S8 point group

b. The D3d point group

c. The Ci point group

d. The C∞v point group