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<div class="section" id="improper-style-zero-command">
<span id="index-0"></span><h1>improper_style zero command<a class="headerlink" href="#improper-style-zero-command" title="Permalink to this headline">¶</a></h1>
<div class="section" id="syntax">
<h2>Syntax<a class="headerlink" href="#syntax" title="Permalink to this headline">¶</a></h2>
<div class="highlight-python"><div class="highlight"><pre>improper_style zero
</pre></div>
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<div class="section" id="examples">
<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2>
<div class="highlight-python"><div class="highlight"><pre>improper_style zero
improper_coeff *
</pre></div>
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<div class="section" id="description">
<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
<p>Using an improper style of zero means improper forces and energies are
not computed, but the geometry of improper quadruplets is still
accessible to other commands.</p>
<p>As an example, the <a class="reference internal" href="compute_improper_local.html"><em>compute improper/local</em></a> command can be used to
compute the chi values for the list of quadruplets of improper atoms
listed in the data file read by the <a class="reference internal" href="read_data.html"><em>read_data</em></a>
command. If no improper style is defined, this command cannot be
used.</p>
<p>Note that the <a class="reference internal" href="improper_coeff.html"><em>improper_coeff</em></a> command must be
used for all improper types, though no additional values are
specified.</p>
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<div class="section" id="restrictions">
<h2>Restrictions<a class="headerlink" href="#restrictions" title="Permalink to this headline">¶</a></h2>
<blockquote>
<div>none</div></blockquote>
<p><strong>Related commands:</strong> none</p>
<p><a class="reference internal" href="improper_none.html"><em>improper_style none</em></a></p>
<p><strong>Default:</strong> none</p>
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