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Problem: The structure of borazine, B3N3H6, is a six-membered ring of alternating B and N atoms. There is one H atom bonded to each B and to each N atom. The molecule is planar.The six B-N bonds in the borazine molecule are all identical in length at 1.44 Å . Typical values for the bond lengths of B-N single and double bonds are 1.51 Å and 1.31 Å respectively. Does the value of the B-N bond length seem to favor one Lewis structure over the other?

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The Lewis structure for borazine is shown below:

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Problem Details

The structure of borazine, B3N3H6, is a six-membered ring of alternating B and N atoms. There is one H atom bonded to each B and to each N atom. The molecule is planar.

The six B-N bonds in the borazine molecule are all identical in length at 1.44 Å . Typical values for the bond lengths of B-N single and double bonds are 1.51 Å and 1.31 Å respectively. Does the value of the B-N bond length seem to favor one Lewis structure over the other?

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Based on our data, we think this problem is relevant for Professor Dixon's class at UCF.