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*ERROR* in PHONON calculation:  Prerequisite GEOMETRY OPTIMISATION       ?
?     has not been performed or is not converged to sufficient accuracy.       ?
?                                                                              ?
?        Maximum force |F|max     = 0.1276     eV/A                            ?
?        Parameter GEOM_FORCE_TOL = 0.5000E-01 eV/A                            ?
?                                                                              ?
?   This could be because of any of the following                              ?
?     (a) No geometry optimisation was performed                               ?
?     (b) A geometry optimisation failed to converge                           ?
?     (c) An error was made copying the optimised geometry to this .cell file  ?
?     (d) Cutoff, k-point sampling or other convergence parameter differ       ?
?         from the geometry optimisation run to this one.                      ?
?   Please check your input parameters and if necessary run or re-run a        ?
?   geometry optimisation calculation.                                         ?
?                                                                              ?
?   Alternatively increase value of GEOM_FORCE_TOL to 0.1276     or greater    ?
?   to allow this run to proceed at risk of inaccurate phonon frequencies.     ?
?                                                                              ?
?   Typically a force tolerance convergence of 0.025 eV/A is necessary to      ?
?   obtain well converged phonon frequencies althout a smaller value can be    ?
?   required in the presence of weak forces, e.g. in molecular crystals        ?
?

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zhaobozhou

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ÒýÓûØÌû:
3Â¥: Originally posted by LJÔÆË®ìøÐÄ at 2015-10-26 11:54:54
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5Â¥2015-10-26 16:21:05
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liliangfang: ½ð±Ò+1, лл½»Á÷ 2015-11-23 08:17:20
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2Â¥2015-10-26 00:46:11
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zhaobozhou: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2015-10-27 09:32:12
liliangfang: ½ð±Ò+1, лл½»Á÷ 2015-11-23 08:17:24
zhaobozhou: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú, лл 2015-12-09 15:58:34
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3Â¥2015-10-26 11:54:54
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zhaobozhou

ľ³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by fanqy1991 at 2015-10-26 00:46:11
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