How does #PF_5# demonstrate bond-polarity?

1 Answer
anor277
Jan 31, 2016

This is not a good example to test for bond polarity.

Explanation:

Why not? Because a trigonal bipyramdal structure is conformationally mobile, and axial positions would exchange for equatorial ligands by a very soft exchange. All of the #B# ligands would be equivalent.

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