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Dixon, D.A.3
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81
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57649238130
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2 production and oxidation in transition-metal complexes includingthermodynamic factors, see: DuBois, M. R.; DuBois, D. L. Chem. Soc. Rev. 2009, 38, 62.
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2 production and oxidation in transition-metal complexes includingthermodynamic factors, see: DuBois, M. R.; DuBois, D. L. Chem. Soc. Rev. 2009, 38, 62.
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82
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68049111303
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3, a color change wasobserved, which points to secondary intermolecular interactions betweenthe molecules. For the latter case, this was also confirmed by NMRchemical shift changes. See refs 8 and 28, respectively.
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3, a color change wasobserved, which points to secondary intermolecular interactions betweenthe molecules. For the latter case, this was also confirmed by NMRchemical shift changes. See refs 8 and 28, respectively.
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83
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Roesler, R.1
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84
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68049103990
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Privalov and coworkers have analyzedH2 uptake by a series of directly linked R2P-BR′2 compounds computationally. The authors pointed out the importanceof destabilizing the intramolecular P-B dative π bondas well as increasing Lewis acidity to achieve lower activation energies-.The exothermicities of the processes were also calculated but notdiscussed in detail. See ref 40
-
2 compounds computationally. The authors pointed out the importanceof destabilizing the intramolecular P-B dative π bondas well as increasing Lewis acidity to achieve lower activation energies-.The exothermicities of the processes were also calculated but notdiscussed in detail. See ref 40.
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85
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68049097956
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It mustbe noted that the precipitationof the product from the solution has been observed during the reactioncourse in most cases. The obviously exergonic crystallization stepprovides additional stabilization for the product, which is not includedin the calculated free energies
-
It mustbe noted that the precipitationof the product from the solution has been observed during the reactioncourse in most cases. The obviously exergonic crystallization stepprovides additional stabilization for the product, which is not includedin the calculated free energies.
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88
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66249106374
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For recenttheoretical studies on modelsystems, see: a
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For recenttheoretical studies on modelsystems, see: (a) Hugas, D.; Simon, S.; Duran, M.; Guerra, C. F.; Bickelhaupt, F. M. Chem. - Eur. J. 2009, 15, 5814.
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(2009)
Chem. - Eur. J
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Hugas, D.1
Simon, S.2
Duran, M.3
Guerra, C.F.4
Bickelhaupt, F.M.5
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89
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53849136601
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(b) Krapp, A.; Frenking, G.; Uggerud, E. Chem. - Eur. J. 2008, 14, 4028.
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(2008)
Chem. - Eur. J
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Krapp, A.1
Frenking, G.2
Uggerud, E.3
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90
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68049085501
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More detailsabout the molecular geometriesused to calculate the thermodynamic data are given in the Supporting Information
-
More detailsabout the molecular geometriesused to calculate the thermodynamic data are given in the Supporting Information.
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91
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68049084514
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All energydata discussed in our paperare listed in tabular format in the Supporting Information
-
All energydata discussed in our paperare listed in tabular format in the Supporting Information.
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92
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68049100044
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The lut-B system also shows H2 lossbut only upon heating in thepresence of pyridine, which shifts the equilibrium due to the formationof the stable pyridine, B adduct; see ref 29
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2 lossbut only upon heating in thepresence of pyridine, which shifts the equilibrium due to the formationof the stable pyridine - B adduct; see ref 29.
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93
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68049086555
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This reactionis predicted to be highlyexergonic at the PBE/6-31G(d) level as well (ΔG, 7.3 kcal/mol) as reported by Repo, Rieger, and co-workers.See ref 20
-
This reactionis predicted to be highlyexergonic at the PBE/6-31G(d) level as well (ΔG = -7.3 kcal/mol) as reported by Repo, Rieger, and co-workers.See ref 20.
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94
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68049105016
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A partitioning(different from the presentscheme) was also invoked by Harvey, Manners, and co-workers to elucidatefactors controlling H2 releasing thermodynamics in amine-boraneadducts. See ref 50a
-
2 releasing thermodynamics in amine-boraneadducts. See ref 50a.
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95
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50249134990
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For methodsof determination of Lewisacidity or basicity, see the following papers as well as referencestherein: (a) Denmark, S. E.; Beutner, G. L. Angew. Chem., Int. Ed. 2008, 47, 1560.
-
For methodsof determination of Lewisacidity or basicity, see the following papers as well as referencestherein: (a) Denmark, S. E.; Beutner, G. L. Angew. Chem., Int. Ed. 2008, 47, 1560.
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97
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68049101959
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Reference 7
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(c) Reference 7.
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98
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68049103989
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+ in toluene, see the Supporting Information.
-
+ in toluene, see the Supporting Information.
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-
-
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99
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68049109179
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The calculated gas-phase ΔH for this reaction is +398.4 kcal/mol, which is in goodagreement with the experimental value of +400.4 kcal/mol see ref 66
-
The calculated gas-phase ΔH for this reaction is +398.4 kcal/mol, which is in goodagreement with the experimental value of +400.4 kcal/mol (see ref 66).
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-
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101
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0002631338
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For reviews concerning the assistanceof the strain in the reactants, see: a
-
For reviews concerning the assistanceof the strain in the reactants, see: (a) Brown, H. C. J. Chem. Soc. 1956, 1248.
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(1956)
J. Chem. Soc
, pp. 1248
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Brown, H.C.1
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103
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68049108155
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For a comparison of the calculated valueswith available experimental data, see the SupportingInformation
-
For a comparison of the calculated valueswith available experimental data, see the SupportingInformation.
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104
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58149145581
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Group13-15 donor - acceptorcomplex dissociation energies have been studied recently. See: Gille, A. L.; Gilbert, T. M. J. Chem. Theory Comput. 2008, 4, 1681.
-
Group13-15 donor - acceptorcomplex dissociation energies have been studied recently. See: Gille, A. L.; Gilbert, T. M. J. Chem. Theory Comput. 2008, 4, 1681.
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105
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33750614288
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and references therein. Concerningab initio determination ofbasicity of various compounds in organic solvents, see
-
Concerningab initio determination ofbasicity of various compounds in organic solvents, see: Li, J.-N.; Fu, Y.; Liu, L.; Guo, Q.-X. Tetrahedron 2006, 62, 11801, and references therein.
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(2006)
Tetrahedron
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Li, J.-N.1
Fu, Y.2
Liu, L.3
Guo, Q.-X.4
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106
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68049102981
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a value is proportionalto ΔG of the proton detachment reaction.
-
a value is proportionalto ΔG of the proton detachment reaction.
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109
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61649114489
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(c) Campodónico, P. R.; Aizman, A.; Contreras, R. Chem. Phys. Lett. 2009, 471, 168.
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Campodónico, P.R.1
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(d) Zhu, X.-Q.; Liang, H.; Zhu, Y.; Cheng, J.-P. J. Org. Chem. 2008, 73, 8403.
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0031499442
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3 in synthetic chemistry, see: (a) Piers, W. E.; Chivers, T. Chem. Soc. Rev. 1997, 26, 345.
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3 in synthetic chemistry, see: (a) Piers, W. E.; Chivers, T. Chem. Soc. Rev. 1997, 26, 345.
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Focante, F.1
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Sironi, A.3
Resconi, L.4
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115
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68049086557
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Reference 63b
-
(d) Reference 63b.
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116
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39649098242
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See, forexample: a
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See, forexample: (a) Timoshkin, A. Y.; Frenking, G. Organometallics 2008, 27, 371.
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Timoshkin, A.Y.1
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(c) Bradley, D. C.; Harding, I. S.; Keefe, A. D.; Motevalli, M.; Zheng, D. H. J. Chem. Soc., Dalton Trans. 1996, 3931.
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Bradley, D.C.1
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16244372746
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(d) Britovsek, G. J. P.; Ugolotti, J.; White, A. J. P. Organometallics 2005, 24, 1685.
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Britovsek, G.J.P.1
Ugolotti, J.2
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120
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68049112277
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For details,see SupportingInformation
-
For details,see SupportingInformation.
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121
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68049090728
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The gas-phasestabilization electronicenergies of nonlinked systems show a notable linear correlation with dDA-1, underlining the importanceof electrostatics see Supporting Information, However, due to the small dDA range,the damping effect of the solvent renders this correlation undetectablein the solvent-phase ΔGstab values
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stab values.
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122
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-].
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