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brafid鐵桿木蟲 (正式寫手)
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[求助]
已經(jīng)結構優(yōu)化好,加了一個電子,算單點能,為啥就算不下來了? 已有2人參與
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這是已經(jīng)優(yōu)化好的結構,我加上個電子算單點能,基組稍微大了一些,算了10天,居然告訴我不收斂,請教高手幫忙看看怎么能算下來 --------------------------------------------- # ub3lyp/6-311++g(3df,2p) sp scf=maxcycle=600 --------------------------------------------- 1/38=1/1; 2/12=2,17=6,18=5,40=1/2; 3/5=4,6=6,7=1216,11=2,16=1,25=1,30=1,74=-5,116=2/1,2,3; 4//1; 5/5=2,7=600,38=5/2; 6/7=2,8=2,9=2,10=2,28=1/1; 99/5=1,9=1/99; ------------------- Title Card Required ------------------- Symbolic Z-matrix: Charge = -1 Multiplicity = 2 O -1.42336 6.52227 -0.44806 H -2.27078 6.94039 -0.24277 當然可能分子稍大了點 Stoichiometry C29H28O10(1-,2) Framework group C1[X(C29H28O10)] Deg. of freedom 195 用的基函數(shù)也多了點 Two-electron integral symmetry is turned on. 1801 basis functions, 2598 primitive gaussians, 2035 cartesian basis functions 142 alpha electrons 141 beta electrons nuclear repulsion energy 4152.3093305335 Hartrees. 計算結果如下: >>>>>>>>>> Convergence criterion not met. SCF Done: E(UB3LYP) = -1874.82223793 A.U. after 601 cycles Convg = 0.8130D-07 -V/T = 2.0041 <Sx>= 0.0000 <Sy>= 0.0000 <Sz>= 0.5000 <S**2>= 0.7611 S= 0.5055 <L.S>= 0.000000000000E+00 Annihilation of the first spin contaminant: S**2 before annihilation 0.7611, after 0.7501 DiagDN has N= 1801 LTot= 5437 but NE2= 3 cannot use DSYEVD. Convergence failure -- run terminated. Error termination via Lnk1e in /share/apps/gauss/g09/l502.exe at Fri Apr 4 11:20:03 2014. Job cpu time: 61 days 14 hours 54 minutes 33.5 seconds. 哪位高手給提題建議,看看怎么能算下來? 已經(jīng)是600個循環(huán)了, 難道單純增加循環(huán)數(shù)到1000么? 謝謝各位的不吝賜教!! |
木蟲 (小有名氣)

木蟲 (著名寫手)
鐵桿木蟲 (正式寫手)
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