# Structure diagrams indicate plausible structures? [closed]

Structure diagrams have a hexagonal, "chicken wire" shape, which leads to more elegant representations of some molecules than others.

For example, the following diagram must deviate from the usual convention such as the horizontal connection above the nitrogen.

The following hydrocarbon would have the same problem.

  H H
| |
H-C-C-H
| |
H-C-C-H
| |
H H


Does this indicate anything about these molecules, for example they are rare or unstable, or is it just a weakness of this type of diagram?

• I do not really understand what the question is here. A 2D representation of a molecule is obviously missing the third and can hence only be incomplete. A structural formula is one representation, but nothing more. – Martin - マーチン Oct 15 '15 at 9:41
• Reworded. It's more about every intersection naturally having a maximum of three connections than the 2D nature of them. – alan2here Oct 15 '15 at 10:07
• I still don't get it. There are so many different possibilities to draw such compounds - they are all just drawings, i.e. representations some of them more accurate than others in certain respects, some less, some are even completely wrong. Even a ball and stick model cannot accurately depict a molecular structure. And a structure, or its representation does not say anything about the stability of a compound. – Martin - マーチン Oct 15 '15 at 10:33
• Can you write an answer that says "no" then, and maybe a bit of description as such a short answer is probably no aloud, that there is nothing prefrable about these shape constraints there just how those diagrams work. – alan2here Oct 15 '15 at 14:27
• "For example, the following diagram must deviate from the usual convention." Sorry but I don't quite get it. What is this "usual convention" that you are talking about? "The following hydrocarbon would have the same problem." What is the "problem"? – orthocresol Oct 15 '15 at 16:31