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Chemical structural Formulas

Postby MatthiasN » Wed Feb 27, 2013 5:13 pm

Hi everyone,

I was wondering if there is a package for the drawing of chemical formulas. I am currently using mhchem but this only allows the user to write the formula, but not to draw the structure of the molecule. So there is no misunderstanding I attached a picture that shows what I would like to be able to do.

Thanks for reading,
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Postby localghost » Wed Feb 27, 2013 7:14 pm

Try chemfig. It is based on PGF/tikZ.
  1. \documentclass{article}
  2. \usepackage[T1]{fontenc}
  3. \usepackage{chemfig}
  5. \setdoublesep{0.35700 em} % 'Bond Spacing'
  6. \setatomsep{1.78500 em} % 'Fixed Length'
  7. \setbondoffset{0.18265 em} % 'Margin Width'
  8. \newcommand{\bondwidth}{0.06642 em} % 'Line Width'
  9. \setbondstyle{line width = \bondwidth}
  11. \begin{document}
  12. \chemfig{*6(=(-NO_2)-=-(-CH_3)=-)}
  13. \end{document}

For detailed descriptions of the capabilities and usage please refer to the package manual. You may combine the package with the very useful chemmacros.

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Postby MatthiasN » Wed Feb 27, 2013 7:29 pm

Looks really neat and since I am currently trying to work my way through the tikz manual, I think it can be really beneficial that it is based on tikz.

Thanks for your help!

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