Chapter 4, Problem 4.6P

Determine the point groups for
a. Cyclohexane (chair conformation)
b. Tetrachloroallene ${\text{Cl}}_{\text{2}}{\text{C=C=CCl}}_{\text{2}}$
c. ${\text{SO}}_{\text{4}}{}^{\text{2}-}$
d. A snowflake
e. Diborane

f. The possible isomers of tribromobenzene
g. A tetrahedron inscribed in a cube in which alternate corners of the cube are also cornersof the tetrahedron.
h. ${\text{B}}_{\text{3}}{\text{H}}_{\text{8}}$

i. A mountain swallowtail butterfly.
j. The Golden Gate Bridge, in San Francisco, CA