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Gaussian 03, Revision E.01, M. J. Frisch, G. W. Trucks, H. B. Schlegel, G. E. Scuseria, M. A. Robb, J. R. Cheeseman, J. A. Montgomery, Jr., T. Vreven, K.N. Kudin, J. C. Burant, J. M. Millam, S. S. Iyengar, J. Tomasi, V. Barone, B. Mennucci, M. Cossi, G. Scalmani, N. Rega, G. A. Petersson, H. Nakatsuji, M. Hada, M. Ehara, K. Toyota, R. Fukuda, J. Hasegawa, M. Ishida, T. Nakajima, Y. Honda, O. Kitao, H. Nakai, M. Klene, X. Li, J. E. Knox, H. P. Hratchian, J. B. Cross, V. Bakken, C. Adamo, J. Jaramillo, R. Gomperts, R. E. Stratmann, O. Yazyev, A. J. Austin, R. Cammi, C. Pomelli, J. W. Ochterski, P. Y. Ayala, K. Morokuma, G. A. Voth, P. Salvador, J. J. Dannenberg, V. G. Zakrzewski, S. Dapprich, A. D. Daniels, M. C. Strain, O. Farkas, D. K. Malick, A. D. Rabuck, K. Raghavachari, J. B. Foresman, J. V. Ortiz, Q. Cui, A. G. Baboul, S. Clifford, J. Cioslowski, B. B. Stefanov, G. Liu, A. Liashenko, P. Piskorz, I. Komaromi, R. L. Martin, D. J. Fox, T. Keith, M. A. Al-Laham, C. Y. Peng, A. Nanayakkara, M. Challacombe, P. M. W. Gill, B. Johnson, W. Chen, M. W. Wong, C. Gonzalez, J. A. Pople, Gaussian, Inc., Wallingford CT, 2004.
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Frisch, M.J.1
Trucks, G.W.2
Schlegel, H.B.3
Scuseria, G.E.4
Robb, M.A.5
Cheeseman, J.R.6
Montgomery Jr., J.A.7
Vreven, T.8
Kudin, K.N.9
Burant, J.C.10
Millam, J.M.11
Iyengar, S.S.12
Tomasi, J.13
Barone, V.14
Mennucci, B.15
Cossi, M.16
Scalmani, G.17
Rega, N.18
Petersson, G.A.19
Nakatsuji, H.20
Hada, M.21
Ehara, M.22
Toyota, K.23
Fukuda, R.24
Hasegawa, J.25
Ishida, M.26
Nakajima, T.27
Honda, Y.28
Kitao, O.29
Nakai, H.30
Klene, M.31
Li, X.32
Knox, J.E.33
Hratchian, H.P.34
Cross, J.B.35
Bakken, V.36
Adamo, C.37
Jaramillo, J.38
Gomperts, R.39
Stratmann, R.E.40
Yazyev, O.41
Austin, A.J.42
Cammi, R.43
Pomelli, C.44
Ochterski, J.W.45
Ayala, P.Y.46
Morokuma, K.47
Voth, G.A.48
Salvador, P.49
Dannenberg, J.J.50
Zakrzewski, V.G.51
Dapprich, S.52
Daniels, A.D.53
Strain, M.C.54
Farkas, O.55
Malick, D.K.56
Rabuck, A.D.57
Raghavachari, K.58
Foresman, J.B.59
Ortiz, J.V.60
Cui, Q.61
Baboul, A.G.62
Clifford, S.63
Cioslowski, J.64
Stefanov, B.B.65
Liu, G.66
Liashenko, A.67
Piskorz, P.68
Komaromi, I.69
Martin, R.L.70
Fox, D.J.71
Keith, T.72
Al-Laham, M.A.73
Peng, C.Y.74
Nanayakkara, A.75
Challacombe, M.76
Gill, P.M.W.77
Johnson, B.78
Chen, W.79
Wong, M.W.80
Gonzalez, C.81
Pople, J.A.82
more..
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86
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36849115659
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Geometries have been fully optimized by using the standard 631G(d) basis set for all the atoms except I: a) R. Ditchfield, W.J. Hehre, J. A. Pople, J. Chem. Phys. 1971, 54, 724-728;
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J. Chem. Phys.
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Ditchfield, R.1
Hehre, W.J.2
Pople, J.A.3
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87
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33645949559
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the LANL2DZ basis set supplemented with an ad function of exponent 0.289 was used for iodine
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b) M. M. Francl, W. J. Petro, W. J. Hehre, J. S. Binkley M. S. Gordon, D. J. DeFrees, J. A. Pople, J. Chem. Phys. 1982, 77, 3654-3665; the LANL2DZ basis set supplemented with an ad function of exponent 0.289 was used for iodine;
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(1982)
J. Chem. Phys.
, vol.77
, pp. 3654-3665
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Francl, M.M.1
Petro, W.J.2
Hehre, W.J.3
Binkley, J.S.4
Gordon, M.S.5
DeFrees, D.J.6
Pople, J.A.7
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89
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43949164796
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frequencies and zero-point energy (ZPE) were also computed at the same level of theory. Final energies have been obtained by using the more extended 6-311,+ G** basis set for all atoms except iodine
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d) A. Höllwarth, M. Böhme, S. Dapprich, A. W. Ehlers, A. Gobbi, V. Jonas, K. F. Köhler, R. Stegmann, A. Veldkamp, G. Frenking, Chem. Phys. Lett. 1993, 208, 237-240; frequencies and zero-point energy (ZPE) were also computed at the same level of theory. Final energies have been obtained by using the more extended 6-311,+ G** basis set for all atoms except iodine:
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(1993)
Chem. Phys. Lett.
, vol.208
, pp. 237-240
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-
Höllwarth, A.1
Böhme, M.2
Dapprich, S.3
Ehlers, A.W.4
Gobbi, A.5
Jonas, V.6
Köhler, K.F.7
Stegmann, R.8
Veldkamp, A.9
Frenking, G.10
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91
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26844534384
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For I, a basis set of similar quality (SDB-aug-ccpVTZ) was used
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f) R. Krishnan, J. S. Binkley, R. Seeger, J. A. Pople, J. Chem. Phys. 1980, 72, 650-654; For I, a basis set of similar quality (SDB-aug-ccpVTZ) was used:
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(1980)
J. Chem. Phys.
, vol.72
, pp. 650-654
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-
Krishnan, R.1
Binkley, J.S.2
Seeger, R.3
Pople, J.A.4
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92
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0035249797
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-1) were evaluated at the B3LYP/6-311 + G** level with ZPE and entropy corrections evaluated at 298 K by using the frequencies previously calculated at the B3LYP/6-31G(d) level. Because of the importance of solvent effects, especially when charged species are involved, model structures I-V have also been optimized in a dielectric medium mimicking THF, by using the IEF-PCM model
-
-1) were evaluated at the B3LYP/6-311 + G** level with ZPE and entropy corrections evaluated at 298 K by using the frequencies previously calculated at the B3LYP/6-31G(d) level. Because of the importance of solvent effects, especially when charged species are involved, model structures I-V have also been optimized in a dielectric medium mimicking THF, by using the IEF-PCM model:
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(2001)
J. Chem. Phys.
, vol.114
, pp. 3408-3420
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Martin, J.M.L.1
Sundermann, A.2
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93
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0031209054
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h) E. Cancès, B. Mennucci, J. J. Tomasi, J. Chem. Phys. 1997, 107, 3032-3041;
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J. Chem. Phys.
, vol.107
, pp. 3032-3041
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Cancès, E.1
Mennucci, B.2
Tomasi, J.J.3
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94
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0032502372
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in the case of model transition states, this optimization including solvent effects was not possible
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i) M. Cossi, V. Barone, B. Mennucci, J. Tomasi, Chem. Phys. Lett. 1998, 286, 253-260; in the case of model transition states, this optimization including solvent effects was not possible.
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(1998)
Chem. Phys. Lett.
, vol.286
, pp. 253-260
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-
Cossi, M.1
Barone, V.2
Mennucci, B.3
Tomasi, J.4
-
95
-
-
77955861643
-
-
Complexes of type I and II, varying the N-Li-C-I dihedral angle, and type III, varying the C-S-O-Li dihedral angle, turned out to be less stable (see the Supporting Information for complexes Ib, IIb and IIIb)
-
Complexes of type I and II, varying the N-Li-C-I dihedral angle, and type III, varying the C-S-O-Li dihedral angle, turned out to be less stable (see the Supporting Information for complexes Ib, IIb and IIIb).
-
-
-
-
96
-
-
77955902561
-
-
note
-
This imine was used as a model in our previous study of the reaction of dimethylsulfonium derivatives (see reference [28]). The rotamer with the sulfinyl oxygen atom in a (s)-cis arrangement with respect to the C=N bond was the most stable. However, solvent effects and stabilizing interactions within the transition states can dramatically modify the conformation around the N-S bond.
-
-
-
-
97
-
-
77955882324
-
-
note
-
-1) predicts a trans/cis ratio of 97:3, much higher than the 72:28 ratio experimentally observed with alkyl imines (Table 2, entry 10).
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