OpenMC/tests/regression_tests/periodic_6fold/True-False/inputs_true.dat

<?xml version='1.0' encoding='utf-8'?>
<model>
  <materials>
    <material id="3">
      <density value="1.0" units="g/cc"/>
      <nuclide name="H1" ao="2.0"/>
      <nuclide name="O16" ao="1.0"/>
      <sab name="c_H_in_H2O"/>
    </material>
    <material id="4" depletable="true">
      <density value="4.5" units="g/cc"/>
      <nuclide name="U235" ao="1.0"/>
    </material>
  </materials>
  <geometry>
    <cell id="1" material="3" region="-5 6 -7 8" universe="0"/>
    <cell id="2" material="4" region="-5 6 -8" universe="0"/>
    <surface id="5" type="plane" boundary="periodic" coeffs="-0.4999999999999999 -0.8660254037844387 0.0 0.0"/>
    <surface id="6" type="plane" boundary="periodic" coeffs="0.4999999999999999 -0.8660254037844387 0.0 0.0"/>
    <surface id="7" type="x-plane" boundary="reflective" coeffs="5.0"/>
    <surface id="8" type="z-cylinder" coeffs="2.598076211353316 1.4999999999999998 2.0"/>
  </geometry>
  <settings>
    <run_mode>eigenvalue</run_mode>
    <particles>1000</particles>
    <batches>4</batches>
    <inactive>0</inactive>
    <source type="independent" strength="1.0" particle="neutron">
      <space type="box">
        <parameters>0 0 0 5 5 0</parameters>
      </space>
    </source>
  </settings>
  </model>