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xylz6188鐵桿木蟲 (著名寫手)
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[求助]
溶液中靜電能等的計(jì)算
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各位好,我進(jìn)來處理數(shù)據(jù)遇到了很多問題,下面是我遇到的問題,雖在網(wǎng)上查到了好多東西,對于氣相中的計(jì)算我是弄明白了,但對于液相中的計(jì)算我一直都算不對,特向各位請教,望各位蟲友各抒己見,給予我指點(diǎn)為謝!! 1、 在Gas中: # b3lyp/6-31+g(d,p) opt(readfc,Z-matrix,maxcycle=200) # freq=Noraman t est geom=allcheck guSample TextSample Textess=read 數(shù)據(jù)(RC): Zero-point correction 0.390102 0.389708 Thermal correction to Energy 0.417702 0.417416 Thermal correction to Enthalpy 0.418646 0.418360 Thermal correction to Gibbs Free Energy 0.323077 0.322155 Sum of electronic and zero-point Energies -1201.663854 -1201.658909 Sum of electronic and thermal Energies -1201.636254 -1201.631201 Sum of electronic and thermal Enthalpies -1201.635310 -1201.630257 Sum of electronic and thermal Free Energies -1201.730879 -1201.726462 E(RB+HF-LYP) -1202.05395564 -1202.04861701 2、 在溶劑中 # MP2/6-31++G(d,p) SCRF(CPCM,Solvent=Chloroform) # scf=tight test density=current 數(shù)據(jù)(RC_S): SCF Done: E(RHF) = -1194.80632735 A.U. after 20 cycles Convg = 0.8303D-08 -V/T = 2.0029 S**2 = 0.0000 -------------------------------------------------------------------- Variational C-PCM results ========================= Total free energy in solution: with all non electrostatic terms (a.u.) = -1194.780618 -------------------------------------------------------------------- (Polarized solute)-Solvent (kcal/mol) = -17.75 -------------------------------------------------------------------- Cavitation energy (kcal/mol) = 37.47 Dispersion energy (kcal/mol) = -22.59 Repulsion energy (kcal/mol) = 1.26 Total non electrostatic (kcal/mol) = 16.13 Table1.Electronic(ΔEes) and non-electrostatic terms (cavitation energy ,Δecav;dispersion energy ,ΔEdisp;repulsion energy ,ΔErep)in solvent effects (kcal/mol),relative to the separated reactants Electrostatic Non-electrostatic (ΔEnon-es) ΔΔEsola (ΔEes) ΔEcav ΔEdisp ΔErep P1-RC_1 P1-TS_1 P1-PC_1 Table 2.Relative electronic (ΔEgas)and Gibbs free energies (ΔGgas)to the separated reactants (kcal/mol ) B3LYP CPCM-MP2 ΔEgas ΔGgas ΔEsol ΔGsola P1-RC P1-TS P1-PC Table S1. Relative energies a (kcal/mol) for all relevant structures in the gas phase and in chloroform. In the gas phaseb In chloroformc ∆Eelec ∆E(T) ∆G(T) ∆Eelec ∆E(T) ∆G(T) Path A PA_RC -2.73 -1.97 6.87 2.69 -3.76 12.31 PA_TS 20.25 21.86 34.05 27.98 10.28 28.80 PA_PC -12.84 -11.53 -2.35 -10.63 -16.45 0.34 請各位幫忙看看溶液中的∆Eelec ,∆E(T) ,∆G(T),ΔEsol ,ΔGsola怎么計(jì)算???? |
找到一些相關(guān)的精華帖子,希望有用哦~
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