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<div class="section" id="dihedral-style-zero-command">
<span id="index-0"></span><h1>dihedral_style zero command<a class="headerlink" href="#dihedral-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>
<pre class="literal-block">
dihedral_style zero <em>nocoeff</em>
</pre>
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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>dihedral_style zero
dihedral_style zero nocoeff
dihedral_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 a dihedral style of zero means dihedral forces and energies are
not computed, but the geometry of dihedral quadruplets is still
accessible to other commands.</p>
<p>As an example, the <a class="reference internal" href="compute_dihedral_local.html"><em>compute dihedral/local</em></a> command can be used to
compute the theta values for the list of quadruplets of dihedral 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 dihedral style is defined, this command cannot be
used.</p>
<p>The optional <em>nocoeff</em> flag allows to read data files with a DihedralCoeff
section for any dihedral style. Similarly, any dihedral_coeff commands
will only be checked for the dihedral type number and the rest ignored.</p>
<p>Note that the <a class="reference internal" href="dihedral_coeff.html"><em>dihedral_coeff</em></a> command must be
used for all dihedral types, though no additional values are
specified.</p>
</div>
<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="dihedral_none.html"><em>dihedral_style none</em></a></p>
<p><strong>Default:</strong> none</p>
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