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LaTeX Cookbook

You're reading from   LaTeX Cookbook Over 90 hands-on recipes for quickly preparing LaTeX documents to solve various challenging tasks

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Product type Paperback
Published in Oct 2015
Publisher Packt
ISBN-13 9781784395148
Length 378 pages
Edition 1st Edition
Tools
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Author (1):
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Stefan Kottwitz Stefan Kottwitz
Author Profile Icon Stefan Kottwitz
Stefan Kottwitz
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Table of Contents (14) Chapters Close

Preface 1. The Variety of Document Types FREE CHAPTER 2. Tuning the Text 3. Adjusting Fonts 4. Working with Images 5. Beautiful Designs 6. Designing Tables 7. Contents, Indexes, and Bibliographies 8. Getting the Most out of the PDF 9. Creating Graphics 10. Advanced Mathematics 11. Science and Technology 12. Getting Support on the Internet Index

Drawing molecules

In the previous recipe, we already encountered formulae for molecules. Now let's see how to draw them. This means drawing a group of atoms and connecting them by lines of various kinds.

How to do it...

This rather complex seeming task becomes manageable using the chemfig package. It provides a compact syntax for drawing molecules. Let's draw some:

  1. Start with any document class:
    \documentclass{article}
  2. Load the chemfig package:
    \usepackage{chemfig}
  3. Let's write molecules in a table. For this, we stretch the rows a bit and start a tabular environment with a right-aligned column and a left-aligned one.
    \renewcommand{\arraystretch}{1.5}
    \begin{tabular}{rl}
  4. For molecules, use the \chemfig command. Write atoms as letters and a single bond using a dash:
      Hydrogen: & \chemfig{H-H} \\
  5. Write a double bond using an equal-to sign:
      Oxygen:   & \chemfig{O=O} \\
  6. For a triple bond, use a tilde:
      Ethyne:   & \chemfig{H-C~C-H}
  7. End the table, and leave some space:
    \end{tabular...
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