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huangye2001木蟲 (正式寫手)
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[求助]
castep 計算聲子光譜總是出錯
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各位大俠: 我利用castep計算聲子光譜總是出錯。給出的是結(jié)尾部分。具體信息在附件里 Number of symmetry operations = 48 There are no ionic constraints specified or generated for this cell Maximum deviation from symmetry = 0.470732E-14 ANG Point group of crystal = 30: Td, -43m, -4 3 m Set iprint > 1 for details on symmetry rotations/translations Centre of mass is NOT constrained Number of cell constraints= 5 Cell constraints are: 1 1 1 0 0 0 External pressure/stress (GPa) 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 Parallel strategy changed for PHONON calculation 2 K-points are distributed over 2 groups, each containing 4 nodes. +---------------- MEMORY AND SCRATCH DISK ESTIMATES PER NODE -----------------+ | Memory Disk | | Model and support data 81.7 MB 196.5 MB | | Finite displacement phonon requirements 110.2 MB 48.0 MB | | ----------------------------- | | Approx. total storage required per node 192.0 MB 244.5 MB | | | | Requirements will fluctuate during execution and may exceed these estimates | +-----------------------------------------------------------------------------+ ------------------------------------------------------------------------ <-- SCF SCF loop Energy Fermi Energy gain Timer <-- SCF energy per atom (sec) <-- SCF ------------------------------------------------------------------------ <-- SCF Initial -3.28237897E+004 5.15966410E+001 49.92 <-- SCF 1 -4.40350499E+004 5.67488395E+000 1.40140752E+002 198.43 <-- SCF 2 -4.66358196E+004 1.60787171E+000 3.25096218E+001 352.16 <-- SCF 3 -4.70423530E+004 2.62565629E+000 5.08166688E+000 507.95 <-- SCF 4 -4.70971544E+004 2.39074548E+000 6.85017569E-001 671.40 <-- SCF 5 -4.69712204E+004 8.89782787E-001 -1.57417402E+000 842.53 <-- SCF 6 -4.69726356E+004 7.92754571E-001 1.76893182E-002 1052.65 <-- SCF 7 -4.69728153E+004 7.21183082E-001 2.24676508E-003 1236.35 <-- SCF 8 -4.69730123E+004 6.67670987E-001 2.46236483E-003 1463.12 <-- SCF 9 -4.69730870E+004 7.09469420E-001 9.33584474E-004 1681.63 <-- SCF 10 -4.69731239E+004 8.27883992E-001 4.60796167E-004 1862.76 <-- SCF 11 -4.69730999E+004 7.68144409E-001 -2.99894272E-004 2054.61 <-- SCF 12 -4.69731025E+004 7.68034211E-001 3.31500316E-005 2253.09 <-- SCF 13 -4.69731024E+004 7.76618198E-001 -1.57548167E-006 2441.98 <-- SCF 14 -4.69731025E+004 7.77301525E-001 1.47329659E-006 2595.92 <-- SCF 15 -4.69731026E+004 7.77142812E-001 4.43185813E-007 2723.12 <-- SCF 16 -4.69731026E+004 7.76965384E-001 2.02806198E-007 2846.33 <-- SCF 17 -4.69731026E+004 7.77161092E-001 1.36640789E-007 2967.42 <-- SCF ------------------------------------------------------------------------ <-- SCF Internal Error in secondd_find_dmat_symmetry -- repeated analyses disagree Please submit a bug report with a copy of your Try increasing the precision of the symmetry operations and try again *** Failure in phonon dynamical matrix symmetry analysis *** Current trace stack: secondd_find_dmat_symmetry phonon_finite_displacement phonon_force_constant_matrix phonon_calculate castep MPI Application rank 0 exited before MPI_Finalize() with status 1 請問在castep里該如何進行“Try increasing the precision of the symmetry operations”?還有各位大俠是怎么計算聲子的?我是在castep里是如何設(shè)置的? |
木蟲 (正式寫手)
木蟲 (正式寫手)
木蟲 (正式寫手)
金蟲 (小有名氣)
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