메뉴 건너뛰기




Volumn 77, Issue 4, 2012, Pages 1632-1639

Bimolecular electron transfers that deviate from the sandros-boltzmann dependence on free energy: Steric effect

Author keywords

[No Author keywords available]

Indexed keywords

1 ,4-DI-TERT-BUTYLBENZENE; CONTACT PAIR; ELECTRON TRANSFER; INTERPLANAR SEPARATION; MATRIX ELEMENTS; ORBITAL OVERLAP; PROPYLENE CARBONATE; RADICAL CATIONS; REACTION FREE ENERGY; REORGANIZATION ENERGIES; SOLVENT VISCOSITY; STERIC EFFECT; STERIC HINDRANCES;

EID: 84857212956     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo202385f     Document Type: Article
Times cited : (13)

References (53)
  • 3
    • 84857204707 scopus 로고    scopus 로고
    • Equation 2 is similar to an expression first proposed by Sandros(3b) for triplet energy transfer without an apparent activation barrier.
    • Equation 2 is similar to an expression first proposed by Sandros(3b) for triplet energy transfer without an apparent activation barrier.
  • 10
    • 84857230871 scopus 로고    scopus 로고
    • At 20 °C, the viscosity (dynamic) of propylene carbonate is 2.764 cP(11b) and that of acetonitrile is 0.353 cP.(11c)
    • At 20 °C, the viscosity (dynamic) of propylene carbonate is 2.764 cP(11b) and that of acetonitrile is 0.353 cP.(11c)
  • 13
    • 84857221942 scopus 로고    scopus 로고
    • Based on MO calculations(12b) (B3LYP/6-31G) using van der Waals radii of 1.77 Å for carbon and 1.01 Å for hydrogen.(12c)
    • Based on MO calculations(12b) (B3LYP/6-31G) using van der Waals radii of 1.77 Å for carbon and 1.01 Å for hydrogen.(12c)
  • 14
    • 84857229084 scopus 로고    scopus 로고
    • Spartan'10; Wavefunction, Inc. Irvine, CA.(12d)
    • Spartan'10; Wavefunction, Inc.: Irvine, CA.(12d)
  • 17
    • 84857230867 scopus 로고    scopus 로고
    • In agreement with our modeling, the extended separation distance for a complex of C2 with a planar aromatic acceptor relative to that of a nonhindered benzene derivative has been previously estimated to be ∼1 Å.(12f)
    • In agreement with our modeling, the extended separation distance for a complex of C2 with a planar aromatic acceptor relative to that of a nonhindered benzene derivative has been previously estimated to be ∼1 Å.(12f)
  • 25
    • 84857230868 scopus 로고    scopus 로고
    • The twist angle in biphenyl is ∼40°(14b, 14c) and in its radical cation is ∼19°.(14d, 14e)
    • The twist angle in biphenyl is ∼40°(14b, 14c) and in its radical cation is ∼19°.(14d, 14e)
  • 34
    • 84857221938 scopus 로고    scopus 로고
    • D) of propylene carbonate and acetonitrile are 1.421 and 1.344, respectively.(17b) Their respective dielectric constants (ε) at 20 °C are 62.9 and 36.0.(17b)
    • D) of propylene carbonate and acetonitrile are 1.421 and 1.344, respectively.(17b) Their respective dielectric constants (ε) at 20 °C are 62.9 and 36.0.(17b)
  • 40
    • 84857221937 scopus 로고    scopus 로고
    • et in propylene carbonate vs acetonitrile is reminiscent of the 4.2-fold slower initial relaxation of the solvent around an excited coumarin-153 molecule.(22b)
    • et in propylene carbonate vs acetonitrile is reminiscent of the 4.2-fold slower initial relaxation of the solvent around an excited coumarin-153 molecule.(22b)
  • 42
    • 84857221939 scopus 로고    scopus 로고
    • •+), an analogous decrease in the rate constants for return electron transfer was observed between sterically hindered and nonhindered reactants.(23b, 23c)
    • •+), an analogous decrease in the rate constants for return electron transfer was observed between sterically hindered and nonhindered reactants.(23b, 23c)


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.