-
6
-
-
0001180584
-
-
Bloch, R.; Marty, R. A.; de Mayo, P. J. Am. Chem. Soc. 1971, 93, 3071.
-
(1971)
J. Am. Chem. Soc.
, vol.93
, pp. 3071
-
-
Bloch, R.1
Marty, R.A.2
De Mayo, P.3
-
8
-
-
84982344812
-
-
Hafner, K.; Süss, H. U. Angew. Chem., Int. Ed. Engl. 1973, 12, 575.
-
(1973)
Angew. Chem., Int. Ed. Engl.
, vol.12
, pp. 575
-
-
Hafner, K.1
Süss, H.U.2
-
10
-
-
84982359699
-
-
Vogel, E.; Konigshofen, H.; Wassen, J.; Mullen, K.; Oth, J. F. M. Angew. Chem., Int. Ed. Engl. 1974, 13, 732.
-
(1974)
Angew. Chem., Int. Ed. Engl.
, vol.13
, pp. 732
-
-
Vogel, E.1
Konigshofen, H.2
Wassen, J.3
Mullen, K.4
Oth, J.F.M.5
-
11
-
-
84982478120
-
-
Linder, H. J.; Kitschuke, B. Angew. Chem., Int. Ed. Engl. 1976, 15, 106.
-
(1976)
Angew. Chem., Int. Ed. Engl.
, vol.15
, pp. 106
-
-
Linder, H.J.1
Kitschuke, B.2
-
14
-
-
84985569562
-
-
Stowasser, B.; Hafner, K. Angew. Chem., Int. Ed. Engl. 1986, 25, 466.
-
(1986)
Angew. Chem., Int. Ed. Engl.
, vol.25
, pp. 466
-
-
Stowasser, B.1
Hafner, K.2
-
16
-
-
0001627466
-
-
(b) Escher, A.; Rutsch, W.; Neuenschwander, M. Helv. Chim. Acta 1986, 69, 1644.
-
(1986)
Helv. Chim. Acta
, vol.69
, pp. 1644
-
-
Escher, A.1
Rutsch, W.2
Neuenschwander, M.3
-
17
-
-
11644272994
-
-
Sevilla, M. D.; Flajer, S. H.; Vincov, G.; Dauben, H. J. Jr. J. Am. Chem. Soc. 1969, 91, 4139.
-
(1969)
J. Am. Chem. Soc.
, vol.91
, pp. 4139
-
-
Sevilla, M.D.1
Flajer, S.H.2
Vincov, G.3
Dauben Jr., H.J.4
-
19
-
-
0011560486
-
-
Jackman, L. M.; Sondheimer, F.; Amiel, Y.; Ben-Efraim, D. A.; Gerona, Y.; Wolovsky, R.; Bothner-By, A. A. J. Am. Chem. Soc. 1962, 87, 4307.
-
(1962)
J. Am. Chem. Soc.
, vol.87
, pp. 4307
-
-
Jackman, L.M.1
Sondheimer, F.2
Amiel, Y.3
Ben-Efraim, D.A.4
Gerona, Y.5
Wolovsky, R.6
Bothner-By, A.A.7
-
20
-
-
11644316515
-
-
Sondheimer, F.; Wolovsky, R.; Amiel, Y. J. Am. Chem. Soc. 1965, 87, 3253.
-
(1965)
J. Am. Chem. Soc.
, vol.87
, pp. 3253
-
-
Sondheimer, F.1
Wolovsky, R.2
Amiel, Y.3
-
23
-
-
84893169025
-
-
Schmidt, M. W.; Baldrige, K. K.; Boats, J. A.; Elbert, S. T.; Gordon, M. S.; Jensen, J. H.; Koseki, S.; Matsunaga, N.; Nguyen, K. A.; Su, S.; Windus, T. L.; Dupuis, M.; Montgomery Jr., J. A. J. Comput. Chem. 1993, 14, 1347.
-
(1993)
J. Comput. Chem.
, vol.14
, pp. 1347
-
-
Schmidt, M.W.1
Baldrige, K.K.2
Boats, J.A.3
Elbert, S.T.4
Gordon, M.S.5
Jensen, J.H.6
Koseki, S.7
Matsunaga, N.8
Nguyen, K.A.9
Su, S.10
Windus, T.L.11
Dupuis, M.12
Montgomery Jr., J.A.13
-
24
-
-
36849115659
-
-
Ditchfield, E.; Hehre, W. J.; Pople, J. A. J. Chem. Phys. 1971, 54, 724.
-
(1971)
J. Chem. Phys.
, vol.54
, pp. 724
-
-
Ditchfield, E.1
Hehre, W.J.2
Pople, J.A.3
-
25
-
-
0347170005
-
-
Hehre, W. J.; Ditchfield, R.; Pople, J. A. J. Chem. Phys. 1972, 56, 2257.
-
(1972)
J. Chem. Phys.
, vol.56
, pp. 2257
-
-
Hehre, W.J.1
Ditchfield, R.2
Pople, J.A.3
-
26
-
-
0002265510
-
-
Ruedenberg, K.; Schmidt, M. W.; Dombek, M. M.; Elbert, S. T. Chem. Phys. 1982, 71, 41-49, 51-64, 65-78.
-
(1982)
Chem. Phys.
, vol.71
, pp. 41-49
-
-
Ruedenberg, K.1
Schmidt, M.W.2
Dombek, M.M.3
Elbert, S.T.4
-
27
-
-
85034295889
-
-
The d exponent was 0.8 for carbon atoms
-
The d exponent was 0.8 for carbon atoms.
-
-
-
-
28
-
-
84985560850
-
-
Neidlein, R.; Poignee', V.; Kramer, W.; Gluck, C. Angew. Chem., Int. Ed. Engl. 1986, 25, 731.
-
(1986)
Angew. Chem., Int. Ed. Engl.
, vol.25
, pp. 731
-
-
Neidlein, R.1
Poignee', V.2
Kramer, W.3
Gluck, C.4
-
30
-
-
37049093863
-
-
Davies, A. G.; Giles, J. R. M.; Lusztyk, J. J. Chem. Soc., Perkin Trans. 2 1981, 747.
-
(1981)
J. Chem. Soc., Perkin Trans. 2
, pp. 747
-
-
Davies, A.G.1
Giles, J.R.M.2
Lusztyk, J.3
-
32
-
-
0011617203
-
-
(a) See, however, the X-ray study on the neutral heptafulvalene molecule: Thomas, R.; Coppens, P. Acta Crystallogr. 1972, B28, 1800.
-
(1972)
Acta Crystallogr.
, vol.B28
, pp. 1800
-
-
Thomas, R.1
Coppens, P.2
-
33
-
-
0001446398
-
-
(b) For a recent interesting theoretical study on the molecule, see also: Scott, A. P.; Agranat, I.; Biedermann, P. U.; Riggs, N. V.; Radom, L. J. Org. Chem. 1997, 62, 2026.
-
(1997)
J. Org. Chem.
, vol.62
, pp. 2026
-
-
Scott, A.P.1
Agranat, I.2
Biedermann, P.U.3
Riggs, N.V.4
Radom, L.5
-
34
-
-
0000918903
-
-
and references therein
-
Nakajima, T.; Toyota, A.; S. Fujii, Bull. Chem. Soc. Jpn. 1972, 45, 1022, and references therein.
-
(1972)
Bull. Chem. Soc. Jpn.
, vol.45
, pp. 1022
-
-
Nakajima, T.1
Toyota, A.2
Fujii, S.3
-
36
-
-
11644315888
-
-
and references cited therein
-
Toyota, A.; Saito, M.; Nakajima, T. Theor. Chim. Acta 1980, 56, 231, and references cited therein.
-
(1980)
Theor. Chim. Acta
, vol.56
, pp. 231
-
-
Toyota, A.1
Saito, M.2
Nakajima, T.3
-
37
-
-
85034280877
-
-
note
-
22
-
-
-
-
38
-
-
85047691484
-
-
In ref 34, a localization of the unpaired spin density in the radicals 2 and 3 has been accounted for in terms of the broken-symmetry charge density wave arising from the doublet instability of the RHF solution. For a similar study, see also: Toyota, A.: Nakajima, T. Theor. Chim. Acta 1982, 61, 505.
-
(1982)
Theor. Chim. Acta
, vol.61
, pp. 505
-
-
Toyota, A.1
Nakajima, T.2
-
39
-
-
0000409771
-
-
Boyd, R. J.; Darvesh, K.; Fricker, P. D. J. Chem. Phys. 1991, 94, 8083.
-
(1991)
J. Chem. Phys.
, vol.94
, pp. 8083
-
-
Boyd, R.J.1
Darvesh, K.2
Fricker, P.D.3
-
43
-
-
84985516477
-
-
However, the X-ray study on tetra-tert-butylcyclobutadiene at -150 °C indicates that the nonbonded atomic distances between hydrogen atoms are in the range of 1.77-1.98: Imgartinger, H.; Nixdorf, M. Angew. Chem., Int. Ed. Engl. 1983, 22, 403.
-
(1983)
Angew. Chem., Int. Ed. Engl.
, vol.22
, pp. 403
-
-
Imgartinger, H.1
Nixdorf, M.2
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