Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.

Start Practicing

Worksheet: Point Groups

Q1:

Which of the following has C4v symmetry?

  • A B H 3
  • B H O 2
  • C P C l 6
  • D B r F 5
  • E W ( C O ) 6

Q2:

A molecule has the following symmetries only: 𝐸 , 𝐢 , 𝐢    , and 3 𝜎 v . What is the point group of this molecule?

  • A 𝐢 ∞ v
  • B 𝐢 
  • C 𝑇 d
  • D 𝐢  v
  • E 𝐷 

Q3:

What is the point group of water?

  • A 𝑇 d
  • B 𝐢 ∞ v
  • C 𝐢 
  • D 𝐢 2 v
  • E 𝐷 

Q4:

A molecule is linear, without a center of inversion. What is its point group?

  • A 𝐷 ∞ h
  • B 𝐢 i
  • C 𝑂 h
  • D 𝐢 ∞ v
  • E 𝐢 1

Q5:

What is the point group of H C l ?

  • A 𝐷 ∞ h
  • B 𝐢 i
  • C 𝑂 h
  • D 𝐢 ∞ v
  • E 𝐢 

Q6:

What is the point group of N H 3 ?

  • A 𝐢 ∞ v
  • B 𝐢 
  • C 𝑇 d
  • D 𝐢  v
  • E 𝐷 

Q7:

A molecule has the following symmetries only: 𝐸 , 𝐢 2 , and 2 𝜎 v . What is the point group of the molecule?

  • A 𝑇 d
  • B 𝐢 ∞ v
  • C 𝐢 1
  • D 𝐢 2 v
  • E 𝐷 2

Q8:

By identifying all symmetry elements in ammonia ( N H ) 3 , assign the point group of the molecule.

  • A D 2 h
  • B D 3 h
  • C T d
  • D C 3 v