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[求助]
abinit 計算聲子譜,第四步出現(xiàn)問題求助!
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第二步用的 nqpt 1 # One qpt for each dataset (only 0 or 1 allowed) # This is the default for all datasets and must # be explicitly turned off for dataset 1. qpt2 0.00000000E+00 0.00000000E+00 0.00000000E+00 qpt3 0.00000000E+00 0.00000000E+00 0.00000000E+00 qpt4 -1.25000000E-01 -2.50000000E-01 0.00000000E+00 qpt5 -1.25000000E-01 5.00000000E-01 0.00000000E+00 qpt6 -2.50000000E-01 -3.75000000E-01 0.00000000E+00 qpt7 -1.25000000E-01 -3.75000000E-01 1.25000000E-01 qpt8 -1.25000000E-01 2.50000000E-01 0.00000000E+00 qpt9 -2.50000000E-01 3.75000000E-01 0.00000000E+00 qpt10 -3.75000000E-01 5.00000000E-01 0.00000000E+00 qpt11 -2.50000000E-01 5.00000000E-01 1.25000000E-01 qpt12 -1.25000000E-01 0.00000000E+00 0.00000000E+00 qpt13 -3.75000000E-01 0.00000000E+00 0.00000000E+00 然后mrgddb < al_3.in,第四步anaddb < al_4.files > al_4.log,出現(xiàn) symdm9.F90:213:ERROR Informations are missing in the DDB. The dynamical matrix number 2 cannot be built, since no blok with wavevector 0.000000E+00 2.500000E-01 2.500000E-01 has been found. Action : add the required blok in the DDB, or modify your input file 第四步的文件為: !Input file for the anaddb code. Analysis of the al DDB !Flags ifcflag 1 ! Interatomic force constant flag !Wavevector grid number 1 (coarse grid, from DDB) brav 2 ! Bravais Lattice : 1-S.C., 2-F.C., 3-B.C., 4-Hex.) ngqpt 4 4 4 ! Monkhorst-Pack indices nqshft 1 ! number of q-points in repeated basic q-cell q1shft 3*0.0 !Effective charges asr 1 ! Acoustic Sum Rule. 1 => imposed asymetrically chneut 1 ! Charge neutrality requirement for effective charges. !Interatomic force constant info dipdip 1 ! Dipole-dipole interaction treatment ifcana 1 ! Analysis of the IFCs ifcout 20 ! Number of IFC's written in the output, per atom natifc 1 ! Number of atoms in the cell for which ifc's are analysed atifc 1 ! List of atoms # This line added when defaults were changed (v5.3) to keep the previous, old behaviour symdynmat 0 |

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