For this purpose I highly recommend the use of the LaTeX typesetting system in conjunction with extensions particularly suited for writing chemistry. This is a relatively easy software program to use, and it's free!Ī second class of free software is one for authors: books, journals, posters, and presentations that require professional quality typesetting. Many commercial software packages could be found online - but I will offer one that can be downloaded and used for free: Avogadro. This is very helpful in understanding isomerism in particular. The same software also provides "space-filing" structures of molecules that can be rotated in all three dimensions. I will describe two types of software to be more confident that I am addressing what is meant in the question.įirst there is software that allows one to create structural formulas of really any chemical formula, organic or inorganic, such that you create a "stick figure" kind of structure, or "ball and stick" where the spheres represent different elements and the sticks represent the bonds. There are indeed a variety of software that writes organic chemistry formulas.
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