<p>Resonance structures of the thiocyanate ion, [SCN]<sup>−</sup></p>
<table cellpadding="2" class="toccolours mw-content-en layouttemplate" style="width: 100%; direction: ltr;" lang="en"><tbody><tr><td><div class="floatright"><img alt="TeX logo" src="https://upload.wikimedia.org/wikipedia/commons/thumb/6/68/TeX_logo.svg/100px-TeX_logo.svg.png" decoding="async" title="TeX logo" width="100" height="57" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/6/68/TeX_logo.svg/150px-TeX_logo.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/6/68/TeX_logo.svg/200px-TeX_logo.svg.png 2x" data-file-width="1028" data-file-height="590"></div>
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<td style="text-align:start; width:100%;">This image shows some kind of formula that could be converted to <a href="https://en.wikipedia.org/wiki/Help:TeX" class="extiw" title="en:Help:TeX">TeX</a>. Storing formulas as images makes it harder to change them. TeX also helps making sure that they all use the same font and size. <br>A replacement has been proposed:
<dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {S=C=N^{\ominus }&lt;-&gt;\ ^{\ominus }\!S-C\!\equiv \!N}}}"><semantics><mrow class="MJX-TeXAtom-ORD"><mstyle displaystyle="true" scriptlevel="0"><mrow class="MJX-TeXAtom-ORD"><mtext>S</mtext><mrow class="MJX-TeXAtom-ORD"><mo>=</mo></mrow><mtext>C</mtext><mrow class="MJX-TeXAtom-ORD"><mo>=</mo></mrow><msup><mtext>N</mtext><mrow class="MJX-TeXAtom-ORD"><mo>⊖<!-- ⊖ --></mo></mrow></msup><mo stretchy="false">⟷<!-- ⟷ --></mo><msup><mtext> </mtext><mrow class="MJX-TeXAtom-ORD"><mo>⊖<!-- ⊖ --></mo></mrow></msup><mspace width="negativethinmathspace"></mspace><mtext>S</mtext><mrow class="MJX-TeXAtom-ORD"><mo>−<!-- − --></mo></mrow><mtext>C</mtext><mspace width="negativethinmathspace"></mspace><mo>≡<!-- ≡ --></mo><mspace width="negativethinmathspace"></mspace><mtext>N</mtext></mrow></mstyle></mrow><annotation encoding="application/x-tex">{\displaystyle {\ce {S=C=N^{\ominus }&lt;-&gt;\ ^{\ominus }\!S-C\!\equiv \!N}}}</annotation></semantics></math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5a1a9e4e92e57be943defb7f1ce24f1781971558" class="mwe-math-fallback-image-inline" aria-hidden="true" style="vertical-align: -0.505ex; width:26ex; height:2.676ex;" alt="{\displaystyle {\ce {S=C=N^{\ominus }&lt;-&gt;\ ^{\ominus }\!S-C\!\equiv \!N}}}"></span></dd></dl><p>In your article, replace the image with:
</p>
<pre>&lt;chem&gt;S=C=N^\ominus &lt;-&gt;\ ^{\ominus}\!S-C\!\equiv\!N&lt;/chem&gt;</pre>
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</td></tr></tbody></table><span id="nuke" class="nuke" title="Delete this!" style="display:none;"><a href="//commons.wikimedia.org/w/index.php?title=File:Thiocyanate-resonance-2D.png&amp;action=delete&amp;wpReason=The+mathematical+formula+has+globally+been+replaced+by+TeX+code+%3Cmath%3ES%3DC%3DN%5E%5Cominus+%3C-%3E%5C+%5E%7B%5Cominus%7D%5C%21S-C%5C%21%5Cequiv%5C%21N%3C%2Fmath%3E"><img alt="Gnome-edit-delete.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Gnome-edit-delete.svg/20px-Gnome-edit-delete.svg.png" decoding="async" width="20" height="20" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Gnome-edit-delete.svg/30px-Gnome-edit-delete.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Gnome-edit-delete.svg/40px-Gnome-edit-delete.svg.png 2x" data-file-width="48" data-file-height="48"></a></span>
Ben Mills
2008-06-02
<span class="int-own-work" lang="en">Own work</span>