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柴油中烷烃生成焓和前线轨道能的理论研究

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摘要 采用原子化法结合B3LYP/6-311++G**计算,求得低碳直链烷烃的生成焓,拟合得到生成焓ΔfH与碳原子数的线性回归方程ΔfHmolecular=-21.08×n-31.32,由此式估算了高碳直链烷烃的生成焓。烷烃的前线轨道能级差ΔEgap大体趋势是主链碳原子数相同的烷烃,随着侧链碳原子数的增加,其前线轨道的ΔEgap略有减少;对于C9~C16的正构烷烃,ΔEgap随着碳原子数的增大而也有略微的减小。
出处 《淮南师范学院学报》 2012年第5期105-108,共4页 Journal of Huainan Normal University
基金 国家自然基金资助项目(21101070)
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参考文献10

  • 1刘振杰.柴油碳数分布的测定探讨[J].当代化工,2003,32(1):60-62. 被引量:5
  • 2郭晓平,王占杰.直喷式柴油机燃烧数值计算研究[J].工程热物理学报,2005,26(z1):61-64. 被引量:4
  • 3ManuelA YJlibeiro da SilvaJMaria Agostinha RMatos^Lui'sa MPF Amaral^tandard molar enthalpiesof formation of 2-chloroquinoline,4-chloroquinoline,6 -chloroquinoline and 4,7 -dichloroquinoline byrotating^ombcalorimetry [J].J.Chem.Thermodynamics,200638(1)49-55.
  • 4RobertA AStandard molar entropie 勞 tandard entropiesof formation^nd standard transformed entropies offormation in the thermodynamics of enzyme-catalyzedreactions [JJ.J.Chem. Thermodynamics,2006,38(4):396-404.
  • 5CurtisesL A,Raghavachari K,Redfern P C et al.Assessment of Gaussian-2 and density functionaltheories for the computation of enthalpies offormation [J].J Chem Phys, 1997,106(3): 1063-1079.
  • 6NicolaidesA,Rauk A,Glukhovtsev M N,Radom L.Heats of Formation from G2,G2 (MP2),and G2(MP2,SVP) total energies [J].J.Phys.Chem. 1996,100:17460-17464.
  • 7CurtissL A, Raghavachari K, Redfem P C, PopleJ A. Assessment of Gaussian -2 and DensityFunctional Theories for the Computation ofEnthalpies of Formation[J]J.Chem. Phys.,1997,106(3):1063-1079.
  • 8ScottA PJladom LHarmonic.V ibrationalFrequencies:An Evaluation of Hartree -Fock,Meller -Plesset,Quadratic Configuration Interaction,Density Functional Theory and Semiempirical ScaleFactor[J].JPhys.Cheni,1996,100(41)16502-16513.
  • 9FrischM J,Trucks G W,Schlegel H B, et al.Gaussian 03,Revision C.02 [CP].Gaussian Inc.,Pittsburgh P A,2003.
  • 10Check C E,Gilbert T M. Progressive SystematicUnderestimation of Reaction Energies by theB3LYP Model as the Number of C -C BondsIncreases:Why Organic Chemists Should UseMultiple DFT Models for Calculations InvolvingPolycarbon Hydrocarbons [J]J.Org.Chem. ,2005,70(24):9828-9834.

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