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Volumn 54, Issue 42, 1998, Pages 12841-12852

Some difficulties encountered with AM1 and PM3 calculations

Author keywords

[No Author keywords available]

Indexed keywords

ACETALDEHYDE; IMINE; ORGANIC COMPOUND; OXIME; PROPIONALDEHYDE; PROPYLENE;

EID: 0032532591     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0040-4020(98)00773-x     Document Type: Article
Times cited : (34)

References (71)
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    • 1 Associated with the CNRS.
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    • 4 Smith, B. J.; Swanton, D. J.; Pople, J. A.; Schaefer III, H. F.; Radom, L. J. Chem. Phys. 1990, 92, 1240. Dannenberg J. J. J. Phys. Chem. 1988, 92, 6869. Herndon, W. C.; Radhakrishnan, T. P. Chem. Phys. Lett. 1988, 148, 492. Scheiner, S. Reviews in Computational Chemistry II: Lipkowitz, K. B.; Boyd D. B. Eds.; VCH: New York; 1991, 165.
    • (1988) J. Phys. Chem. , vol.92 , pp. 6869
    • Dannenberg, J.J.1
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    • 4 Smith, B. J.; Swanton, D. J.; Pople, J. A.; Schaefer III, H. F.; Radom, L. J. Chem. Phys. 1990, 92, 1240. Dannenberg J. J. J. Phys. Chem. 1988, 92, 6869. Herndon, W. C.; Radhakrishnan, T. P. Chem. Phys. Lett. 1988, 148, 492. Scheiner, S. Reviews in Computational Chemistry II: Lipkowitz, K. B.; Boyd D. B. Eds.; VCH: New York; 1991, 165.
    • (1988) Chem. Phys. Lett. , vol.148 , pp. 492
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    • 4 Smith, B. J.; Swanton, D. J.; Pople, J. A.; Schaefer III, H. F.; Radom, L. J. Chem. Phys. 1990, 92, 1240. Dannenberg J. J. J. Phys. Chem. 1988, 92, 6869. Herndon, W. C.; Radhakrishnan, T. P. Chem. Phys. Lett. 1988, 148, 492. Scheiner, S. Reviews in Computational Chemistry II: Lipkowitz, K. B.; Boyd D. B. Eds.; VCH: New York; 1991, 165.
    • (1991) Reviews in Computational Chemistry II , pp. 165
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    • F. J. Seiler Research Laboratory, US Air Force Academy, Colorado Springs, CO 80840-6528, USA
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    • note
    • ss orbital shortens the SS bond. This suggests that the lone pair repulsion is overestimated, which may explain why 13, a doubly excited state, lies only 26.3 kcal/mol above the ground state 11.
  • 48
    • 0000385972 scopus 로고
    • 19 Dodziuk, H.; Voithenberg, H. von; Allinger, N. L. Tetrahedron 1982, 38, 2811. Leibold, C.; Reinemann, S.; Minkwitz, R.; Resnik, P. R.; Oberhammer, H. J. Org. Chem. 1997, 62, 6160 and ref. cit. therein.
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    • See also ref. 3h for similar results
    • 26 See also ref. 3h for similar results.
  • 64
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    • The endo-exo difference is however much smaller than in ab initio calculations
    • Moreover, in the reactions studied, the endo isomer is also strongly favoured by coulombic attractions, which are somewhat exaggerated in AM1 and PM3 calculations
    • 31 Cases where AM1 favours the endo isomer are also known: Pugnaud, S.; Masure, D.; Hallé, J-C.; Chaquin, P. J. Org. Chem. 1997, 62, 8687. The endo-exo difference is however much smaller than in ab initio calculations. Moreover, in the reactions studied, the endo isomer is also strongly favoured by coulombic attractions, which are somewhat exaggerated in AM1 and PM3 calculations.
    • (1997) J. Org. Chem. , vol.62 , pp. 8687
    • Pugnaud, S.1    Masure, D.2    Hallé, J.-C.3    Chaquin, P.4
  • 65
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    • Gas phase reactions usually obey the hammond postulate
    • 32 Gas phase reactions usually obey the Hammond postulate. See, inter alia: Tanaka, K.; Mackay, G. I.; Payzant, J. D.; Bohme, D. K. Can. J. Chem. 1976, 54, 1643. Shaik, S. S. Prog. Phys. Org. Chem. 1985, 15, 197. Evanseck, J. D.; Blake, J. F.; Jorgensen, W. L. J. Am. Chem. Soc. 1987, 109, 2349.
    • (1976) Can. J. Chem. , vol.54 , pp. 1643
    • Tanaka, K.1    Mackay, G.I.2    Payzant, J.D.3    Bohme, D.K.4
  • 66
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    • 32 Gas phase reactions usually obey the Hammond postulate. See, inter alia: Tanaka, K.; Mackay, G. I.; Payzant, J. D.; Bohme, D. K. Can. J. Chem. 1976, 54, 1643. Shaik, S. S. Prog. Phys. Org. Chem. 1985, 15, 197. Evanseck, J. D.; Blake, J. F.; Jorgensen, W. L. J. Am. Chem. Soc. 1987, 109, 2349.
    • (1985) Prog. Phys. Org. Chem. , vol.15 , pp. 197
    • Shaik, S.S.1
  • 67
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    • 32 Gas phase reactions usually obey the Hammond postulate. See, inter alia: Tanaka, K.; Mackay, G. I.; Payzant, J. D.; Bohme, D. K. Can. J. Chem. 1976, 54, 1643. Shaik, S. S. Prog. Phys. Org. Chem. 1985, 15, 197. Evanseck, J. D.; Blake, J. F.; Jorgensen, W. L. J. Am. Chem. Soc. 1987, 109, 2349.
    • (1987) J. Am. Chem. Soc. , vol.109 , pp. 2349
    • Evanseck, J.D.1    Blake, J.F.2    Jorgensen, W.L.3
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    • note
    • 33 PM3 gives analogous results.
  • 69
    • 0031562405 scopus 로고    scopus 로고
    • Hydrogen bonding may occur with an aldehydic hydrogen if the carbonyl group is activated by a lewis acid
    • 34 Hydrogen bonding may occur with an aldehydic hydrogen if the carbonyl group is activated by a Lewis acid: Corey, E. J.; Barnes-Seeman, D.; Lee. T. W. Tetrahedron Letters 1997, 38, 1699.
    • (1997) Tetrahedron Letters , vol.38 , pp. 1699
    • Corey, E.J.1    Barnes-Seeman, D.2    Lee, T.W.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.