Dear Greg, Jason, and Maciek,

many thanks for your feedback.
The reading of the IUPAC guidelines will certainly bring useful information.

Best,

Jean-Marc


Le 10/03/2021 à 09:28, Greg Landrum a écrit :

On Wed, Mar 10, 2021 at 9:05 AM Jean-Marc Nuzillard <jm.nuzill...@univ-reims.fr <mailto:jm.nuzill...@univ-reims.fr>> wrote:


    Your answer about tetragonal carbons goes in the same direction as
    my initial feeling did,
    but my feeling was only a feeling, just like yours.
    I was wondering whether someone had some more formal view about
    this question.


If you're looking for formal, I find the IUPAC guidelines really helpful for stuff like this:
https://www.degruyter.com/document/doi/10.1351/pac200678101897/html
<https://www.degruyter.com/document/doi/10.1351/pac200678101897/html>
Again I don't always agree with them, but they are pretty clear and include a bunch of examples of both good and bad representations.

-greg



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Jean-Marc Nuzillard
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Institut de Chimie Moléculaire de Reims
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