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ra2ghgzh木蟲 (正式寫手)
學(xué)癡
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[求助]
優(yōu)化聚合物結(jié)構(gòu)時出錯Total charge is not ZERO
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優(yōu)化多聚噻吩的結(jié)構(gòu)時出錯,輸入文件如下: %mem=600MW %chk=poly2.chk %nprocshared=16 # opt b3lyp/cc-pvtz Title Card Required 0 1 C 1.30606351 0.80252407 0.07216115 C 0.68735101 -0.43640823 -0.03787158 C -0.68979218 -0.43646160 -0.03914487 C -1.30860459 0.80232777 0.07059102 S -0.00153060 2.02649557 0.17958089 H 1.20500977 -1.38091472 -0.12202474 H -1.20800469 -1.38055460 -0.12333028 Tv 4.08921795 0.00000000 0.00000000 報錯內(nèi)容是: -------------------- ATTENTION-------------------- Total charge is not ZERO --- 0.000000001117 -------------------- ATTENTION-------------------- Possible problem detected with PBC diagonalization: FLenRc= 6.50D+00 SDif= 2.67D+07 STest= 1.73D+08 ThrSDi= 1.00D+01. Alpha NIter= 20 Fermi level: -50.2079518603 FoFJK: IHMeth= 1 ICntrl= 0 DoSepK=T KAlg= 1 I1Cent= 0 FoldK=F Possible problem detected with PBC diagonalization: FLenRc= 6.50D+00 SDif= 2.66D+07 STest= 1.73D+08 ThrSDi= 1.00D+01. Alpha NIter= 20 Fermi level: -69.0222808518 <P*S>= 41.999999994528 NE= 42.000000000000 Err=-5.47D-09 Lim= 4.20D-09 Possibly not enough cells included in PBC. Numerical problems in PBC. Error termination via Lnk1e in /share/apps/g09/l502.exe at Tue Feb 14 16:39:46 2017. Job cpu time: 0 days 16 hours 44 minutes 3.8 seconds. File lengths (MBytes): RWF= 480 Int= 0 D2E= 0 Chk= 28 Scr= 1 之前已經(jīng)用pvdz成功優(yōu)化出結(jié)構(gòu)了(就是輸入文件中的結(jié)構(gòu)),但是改用pvtz優(yōu)化后就出錯了。 這個結(jié)構(gòu)應(yīng)該很簡單吧,但是為什么會出現(xiàn)總電荷不是零的問題呢? |

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