<chem-struct> Chemical Structure (Display)

Chemical expression, reaction, equation, etc. that is set apart within the text.


This element accommodates chemical reactions expressed in many ways: as text with emphasis tags, subscripts, and superscripts; as a preformatted area (<preformat>); as an included graphic; etc. The linking attributes may also be used to point to an external source such as a URI.
Display/Formatting Note
A chemical structure is assumed to be anchored at its position within the text.
Related Elements
The expression of a chemical reaction or other chemical structure goes inside the <chem-struct> element. The related element <chem-struct-wrap> is an outer wrapper that may hold, for example, both a chemical reaction and its caption or three related chemical expressions.

Base Attributes

Linking Attributes

xlink:type (fixed value = simple)


xmlns:xlink (fixed value = http://www.w3.org/1999/xlink)
Models and Context
May be contained in
Model Description
Tagged Samples
Inline with text
<p>... Each mL of 0.1 N perchloric acid is equivalent to 20.12 mg 
of <chem-struct>C<sub>4</sub>H<sub>4</sub>KNO<sub>4</sub>S</chem-struct>.</p>
Alternative to <graphic>
  <title>Acesulfame K<break/>
   Dioxide Potassium Salt</title>
  <graphic xmlns:xlink="http://www.w3.org/1999/xlink"