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GAMESS的输入文件是frag_guess_wfn生成的,在gaussian下的计算都没有任何问题。但是在GAMESS算到MONMER 2 WITH ALL BASIS时就会出现NaN的诡异问题: ITER EX TOTAL ENERGY E CHANGE DENSITY CHANGE DIIS ERROR VIR. SHIFT DAMPING INTEGRALS SKIPPED * * * INITIATING DIIS PROCEDURE * * *
1 0 NaN NaN 0.000000000 NaN 0.000000000 1.000000000 2636094216012012497669
2 1 NaN NaN 0.000000000 NaN 0.000000000 1.000000000 013334506471
而MONMER 2 WITH OWN BASIS可以正常收敛:
ITER EX TOTAL ENERGY E CHANGE DENSITY CHANGE DIIS ERROR VIR. SHIFT DAMPING INTEGRALS SKIPPED
* * * INITIATING DIIS PROCEDURE * * *
1 0 -1522.2388327210 -1522.2388327210 0.000285946 0.000033622 0.000000000 1.000000000 1175542717 116847328
2 1 -1522.2388310343 0.0000016866 0.000060958 0.000011627 0.000000000 1.000000000 774311246 141396303
NEXT ENERGY RISES: SWITCHING DIIS OFF FOR 5 ITERS, NEW ETHRSH= 1.05E-05
3 2 -1522.2388310343 0.0000000000 0.000060958 0.000010297 0.000000000 0.062500000 653380427 147293203
4 3 -1522.2388310343 -0.0000000000 0.000068830 0.000011627 0.000000000 0.000000000 653380427 147293203
5 4 -1522.2388310299 0.0000000044 0.000115906 0.000016205 0.000000000 0.000000000 660769987 146942035
6 5 -1522.2388309995 0.0000000304 0.000205264 0.000029385 0.000000000 0.000001068 682458636 145894549
7 0 -1522.2388309117 0.0000000878 0.000133993 0.000052813 0.000000000 0.000035740 714458274 144348315
* * * INITIATING DIIS PROCEDURE * * *
8 1 -1522.2388310431 -0.0000001314 0.000008957 0.000001699 0.000000000 1.000000000 687475045 145664756
9 2 -1522.2388310426 0.0000000005 0.000005931 0.000002881 0.000000000 1.000000000 546431377 152356585
10 3 -1522.2388310423 0.0000000003 0.000000597 0.000000310 0.000000000 1.000000000 516969751 153706404
GAMESS的版本是2021-R2,其他相似体系都没问题,可以正常收敛,输出文件太大(150mb)就不附上了
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