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<pre>Dear all,<br>i'm trying to calculate the elastic constant of an hexagonal structure<br></pre>every thing is good <br>but when i do a monoclinic distortion i found an error<br><br>FORTRAN STOP LAPW0 END<br>FORTRAN STOP SECLR4 - Error<br>how to fix this error<br><br>Thank you in advanced </body>
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