Octahedral Symmetry Quiz

1) How many faces are there on a regular octahedron?

2) How many vertices are there on a regular octahedron?

3) Many edges there on a regular octahedron?

4) What atoms in the organometallic compound FeCl₂(C₁₅H₁₅N₇) make up the octahedral coordination?

5) What is the largest deviation from the ideal angles (90^o) in the coordination of FeCl₂(C₁₅H₁₅N₇)?

6) Which of the following have octahedral coordination around the metal site (click on the name to open a new window)?

a) [Co(C₂₄H₂₄N₆)]²⁺ ion

b) Cr(n^-Bu)₂Cl((Me₂PCH₂)₃CMe

c) Co(bpy)₂(OAc)(MeOH)]⁺

d) [CrCl₂(C₂₂H₁₆N₄)]⁺ ion

e) [Ag(C₃₄H₂₄P₂)₂]⁺ ion

7) How many different 3-fold axes are there in an octahedron?

8) How many different 4-fold axes are there in an octahedron?

9) What is the minimum number of atoms necessary to have an octahedral complex?

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Content last edited 10/24/2004 by J. C. Huffman, IUMSC.

IU, Bloomington
Dept. of Chemistry
Chemistry Library