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   4 <h2>g96 file format</h2>
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  10 <TD ALIGN=RIGHT><B>Sun 18 Jan 2009</B></TR></TABLE></CENTER><HR>
  11
  12 <p>A file with the g96 extension can be a GROMOS-96 initial/final
  13 configuration file or a coordinate trajectory file or a combination of both.
  14 The file is fixed format, all floats are written as 15.9 (files can get huge).
  15 GROMACS supports the following data blocks in the given order:
  16 <ul>
  17 <li> Header block:
  18 <ul>
  19 <li><tt>TITLE</tt> (mandatory)
  20 </ul>
  21 <li> Frame blocks:
  22 <ul>
  23 <li><tt>TIMESTEP</tt> (optional)
  24 <li><tt>POSITION/POSITIONRED</tt> (mandatory)
  25 <li><tt>VELOCITY/VELOCITYRED</tt> (optional)
  26 <li><tt>BOX</tt> (optional)
  27 </ul>
  28 </ul>
  29 See the GROMOS-96 manual for a complete description of the blocks.
  30 <p>
  31 Note that all GROMACS programs can read compressed or g-zipped files.
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