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0001311982
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15
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0035810505
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For a recent critical evaluation of the schemes used to calculate intrinsic bond energies (BE) leading to new estimates of the stabilization of cyclopropane due to C-H bond strengthening, see: Exner, K.; Schleyer, P. v. R. J. Phys. Chem. A 2001, 105, 3407.
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Williams, I.H.6
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20
-
-
33646068907
-
-
note
-
f,298= -47.3 kcal/ mol),9e we estimate an SE for oxiranone (based upon an SE for oxirane of 27.25 kcal/mol) of 39 kcal/mol, in excellent with earlier value suggested by Williams using the MP2/6-311G(d,p) method.
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21
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0000814726
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(e) Schröder, D.; Goldberg, N.; Zurnmack, W.; Schwarz, H.; Poutsma, J. C.; Squires, R. R. Int. J. Mass Spectrom. Ion Processes 1997, 165/166, 71.
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Squires, R.R.6
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23
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0141704726
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Gaussian, Inc.: Pittsburgh, PA, See the Supporting Information for the full list of authors
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(b) Gaussian 03, revision B.05 (SGI64-G03RevB.05); Gaussian, Inc.: Pittsburgh, PA, 2003. See the Supporting Information for the full list of authors.
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Gaussian 03, Revision B.05 (SGI64-G03RevB.05)
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26
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0002146543
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Yarkony, D. R., Ed.; World Scientific: Singapore
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31
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0020091378
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For approaches to calculate these two nonobservable contributors, BE and R, which are not directly measurable for molecules of this type, see: (a) Bader, R. F. W.; Tang, T.-H.; Tal, Y.; Biegler-Konig, F. W. J. Am. Chem. Soc. 1982, 104, 946.
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(e) Howard, S. T.; Cyranski, M. K.; Stolarczyk, L. Z. J. Chem. Soc., Chem. Commun. 2001, 197.
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0000494001
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(a) Skancke, A.; Van Vechten, D.; Liebman, J. F.; Skancke, P. N. J. Mol. Struct. 1996, 376, 461 and references therein.
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0030464437
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2A″ state), resulting in a stabilization energy of 23.1 kcal/mol (G3) due to electron delocalization in the π system. For a discussion, see: Bach, R. D.; Ayala, P. Y.; Schlegel, H. B. J. Am. Chem. Soc. 1996, 118, 12758.
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Leopold, D. G.; Murray, K. K.; Miller, A. E. S.; Lineberger, W. C. J. Chem. Phys. 1985, 83, 4849.
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33646061837
-
-
note
-
For a description of the details for cyclization of n-hexane to cyclohexane, see ref 1d. For a series of parameters used for cyclization of a variety of substrates at the G2 level, see ref 6c.
-
-
-
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43
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0011562075
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For earlier examples of the use of homodesmotic reactions, see: (a) George, P.; Trachtman, M.; Bock, C. W.; Brett, A. M. Tetrahedron 1976, 32, 317.
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37049098308
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0344686473
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Feng, Y.; Liu, L.; Wang, J. T.; Huang, H.; Guo, Q. X. J. Chem. Inf. Comput. Sci. 2003, 43, 2005.
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47
-
-
33646028664
-
-
note
-
f(298) for 3-pentanone and n-pentane are -61.8 and -35.08 kcal/mol, respectively. The reaction energy is very close to that reported in ref 9a (15.5 kcal/mol) based upon a similar exercise.
-
-
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48
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0037471668
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Bach, R. D.; Dmitrenko, O.; Adam, W.; Schambony, S. J. Am. Chem. Soc. 2003, 125, 924.
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Bach, R.D.1
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Schambony, S.4
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Brinker, U.H.6
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