-
1
-
-
34548128977
-
-
Wilke's remarkable (trans,trans,trans-1,5,9-cyclododecatriene)- nickel(0) was the first storable source of a transition-metal atom and due to its high reactivity is often called naked nickel. See: C. Elschenbroich, Organometallics, 3rd edition, Wiley-VCH, Weinheim, 2006, pp. 397, 694.
-
Wilke's remarkable (trans,trans,trans-1,5,9-cyclododecatriene)- nickel(0) was the first storable source of a transition-metal atom and due to its high reactivity is often called "naked nickel." See: C. Elschenbroich, Organometallics, 3rd edition, Wiley-VCH, Weinheim, 2006, pp. 397, 694.
-
-
-
-
2
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84987487412
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2593, and references therein;
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Thi, N.P.D.1
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3
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0001208830
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b) J. A. S. Howell, N. F. Ashford, D. T. Nixon, J. C. Kola, T. A. Albright, S. K. Kang, Organometallics 1991, 10, 1852;
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Howell, J.A.S.1
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4
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0001361729
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c) S. Zhang, J. K. Shen, F. Basolo, T. D. Ju, R. F. Lang, G. Kiss, C. D. Hoff, Organometallics 1994, 13, 3692;
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Zhang, S.1
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33646475125
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Zhu, G.1
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0006251501
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2+: E. O. Fischer, C. Elschenbroich, C. G. Kreiter, J. Organomet. Chem. 1967, 7, 481;
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2+: E. O. Fischer, C. Elschenbroich, C. G. Kreiter, J. Organomet. Chem. 1967, 7, 481;
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8
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34548119294
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2], M = Cr, Mo: E. P. Kündig, P. L. Timms, J. Chem. Soc. Chem. Commun. 1977, 912;
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2], M = Cr, Mo: E. P. Kündig, P. L. Timms, J. Chem. Soc. Chem. Commun. 1977, 912;
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9
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34548125910
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2]: C. Elschenbroich, R. Möckel, Angew. Chem. 1977, 89, 908;
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2]: C. Elschenbroich, R. Möckel, Angew. Chem. 1977, 89, 908;
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34548131800
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2]: C. Elschenbroich, R. Möckel, E. Bilger, Z. Naturforsch. B 1984, 39, 375.
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2]: C. Elschenbroich, R. Möckel, E. Bilger, Z. Naturforsch. B 1984, 39, 375.
-
-
-
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14
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-
34548136558
-
-
L = anthracene: W. W. Brennessel, V. G. Young, Jr., J. E. Ellis, Angew. Chem. 2002, 114, 1259;
-
a) L = anthracene: W. W. Brennessel, V. G. Young, Jr., J. E. Ellis, Angew. Chem. 2002, 114, 1259;
-
-
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15
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0037006844
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Angew. Chem. Int. Ed. 2002, 41, 1211;
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(2002)
Chem. Int. Ed
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Angew1
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16
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-
34548142377
-
-
L = naphthalene: W. W. Brennessel, V. G. Young, Jr., J. E. Ellis, Angew. Chem. 2006, 118, 7426;
-
b) L = naphthalene: W. W. Brennessel, V. G. Young, Jr., J. E. Ellis, Angew. Chem. 2006, 118, 7426;
-
-
-
-
17
-
-
33750978452
-
-
2].
-
2].
-
-
-
-
18
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0037019687
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W. W. Brennessel, J. E. Ellis, M. K. Pomije, V. J. Sussman, E. Urnezius, V. G. Young, Jr., J. Am. Chem. Soc. 2002, 124, 10258.
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J. Am. Chem. Soc
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Brennessel, W.W.1
Ellis, J.E.2
Pomije, M.K.3
Sussman, V.J.4
Urnezius, E.5
Young Jr., V.G.6
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19
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0036404865
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W. W. Brennessel, J. E. Ellis, S. N. Roush, B. R. Strandberg, O. E. Woisetschläger, V. G. Young, Jr., Chem. Commun. 2002, 2356.
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Chem. Commun
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Brennessel, W.W.1
Ellis, J.E.2
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Strandberg, B.R.4
Woisetschläger, O.E.5
Young Jr., V.G.6
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20
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2842574055
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A claim for the existence of bis(naphthalene)iron(0) remains unverified: P. D. Morand, C. G. Francis, Inorg. Chem. 1985, 4, 1653.
-
A claim for the existence of bis(naphthalene)iron(0) remains unverified: P. D. Morand, C. G. Francis, Inorg. Chem. 1985, 4, 1653.
-
-
-
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21
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4243805353
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3]: T. A. Manuel, Inorg. Chem. 1964, 3, 1794;
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3]: T. A. Manuel, Inorg. Chem. 1964, 3, 1794;
-
-
-
-
22
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0000407293
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2], dmpe = 1,2-bis(dimethylphosphano)ethane: C. A. Tolman, S. D. Ittel, A. D. English, J. P. Jesson, J. Am. Chem. Soc. 1978, 100, 4080;
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2], dmpe = 1,2-bis(dimethylphosphano)ethane: C. A. Tolman, S. D. Ittel, A. D. English, J. P. Jesson, J. Am. Chem. Soc. 1978, 100, 4080;
-
-
-
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23
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37049089825
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6] (X-ray): M. J. Begley, S. G. Puntambekar, A. H. Wright, J. Chem. Soc. Chem. Commun. 1987, 1251;
-
6] (X-ray): M. J. Begley, S. G. Puntambekar, A. H. Wright, J. Chem. Soc. Chem. Commun. 1987, 1251;
-
-
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24
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0000725332
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3] (X-ray): H. Schäufele, D. Hu, H. Pritzkow, U. Zenneck, Organometallics 1989, 8, 396;
-
3] (X-ray): H. Schäufele, D. Hu, H. Pritzkow, U. Zenneck, Organometallics 1989, 8, 396;
-
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25
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0142051883
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6)] (X-ray): C. Brodt, S. Niu, H. Pritzkow, M. Stephan, U. Zenneck, J. Organometal. Chem. 1993, 459, 283.
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6)] (X-ray): C. Brodt, S. Niu, H. Pritzkow, M. Stephan, U. Zenneck, J. Organometal. Chem. 1993, 459, 283.
-
-
-
-
26
-
-
0002890799
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8)(dcpe)], dcpe = 1,2-bis(dicyclohexylphosphano)ethane (X-ray): H. Kubo, M. Hirano, S. Komiya, J. Organomet. Chem. 1998, 556, 89.
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8)(dcpe)], dcpe = 1,2-bis(dicyclohexylphosphano)ethane (X-ray): H. Kubo, M. Hirano, S. Komiya, J. Organomet. Chem. 1998, 556, 89.
-
-
-
-
27
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33646457204
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-
3167; see Table 2
-
J. E. Ellis, Inorg. Chem. 2006, 45, 3167; see Table 2.
-
(2006)
Inorg. Chem
, vol.45
-
-
Ellis, J.E.1
-
28
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34548139345
-
-
2 by alkali-metal naphthalenes provided deep red solutions of presently unknown products. W. W. Brennessel, J. E. Ellis, unpublished results.
-
2 by alkali-metal naphthalenes provided deep red solutions of presently unknown products. W. W. Brennessel, J. E. Ellis, unpublished results.
-
-
-
-
29
-
-
0004233970
-
-
3rd ed, Wiley-VCH, Weinheim
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C. Elschenbroich, Organometallics, 3rd ed., Wiley-VCH, Weinheim, 2006, p. 491.
-
(2006)
Organometallics
, pp. 491
-
-
Elschenbroich, C.1
-
30
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34548134213
-
-
Interatomic data for anion 1b have slightly smaller uncertainties (esd's) than those for 1a, so only the former will be discussed in this article, as anion 1.
-
Interatomic data for anion 1b have slightly smaller uncertainties (esd's) than those for 1a, so only the former will be discussed in this article, as anion 1.
-
-
-
-
31
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34548142200
-
-
2;
-
2;
-
-
-
-
32
-
-
34548139346
-
-
2;
-
2;
-
-
-
-
33
-
-
34548125740
-
-
CCDC-637186 (1a), CCDC-637187 (1b), CCDC-637188 (4), CCDC-637189 (5), and CCDC-637190 (6) contains the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.
-
c) CCDC-637186 (1a), CCDC-637187 (1b), CCDC-637188 (4), CCDC-637189 (5), and CCDC-637190 (6) contains the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.
-
-
-
-
34
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34548131610
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-
Coordination geometry is determined by a twist angle, θ, corresponding to the intersection of planes defined by the midpoints of the outer C-C bonds of the coordinated dienes and the iron center. For 1, θ = 85°, compared to 90° for a tetrahedral geometry. In the case of the cod complex 5, the midpoints of the olefinic C-C bonds were used in the calculation of θ.
-
Coordination geometry is determined by a twist angle, θ, corresponding to the intersection of planes defined by the midpoints of the outer C-C bonds of the coordinated dienes and the iron center. For 1, θ = 85°, compared to 90° for a tetrahedral geometry. In the case of the cod complex 5, the midpoints of the olefinic C-C bonds were used in the calculation of θ.
-
-
-
-
35
-
-
34548134063
-
-
Average outer C1-C2 and inner C2-C3 bond lengths in 1 are 1.417(5) and 1.407(4, whereas corresponding values in 2 are 1.416(8) and 1.420(6, A definite, though weak, long-short-long pattern in the coordinated diene C-C bond lengths of 1, but not 2, suggests that Fe -1 may back-bond to anthracene slightly better than Co-1 does in these compounds. However, the metal-carbon bond lengths in 1 and 2 do not support this view and are statistically identical. Thus, the average M-C1,C4 and M-C2,C3 bond lengths in 1 (M, Fe) are 2.14(1) and 2.02(1) Å, respectively, and corresponding values in 2 (M, Co) are 2.13(1) and 1.99(2) Å, where the difference in atomic radii of iron and cobalt is only about 0.01 Å. See: J. Emsley, The Elements, 3rd edition, Oxford, New York, 1998, pp. 60, 106. Also, the average fold angles for coordinated anthracenes in 1 and 2 are 24 and 28°
-
-1 does in these compounds. However, the metal-carbon bond lengths in 1 and 2 do not support this view and are statistically identical. Thus, the average M-C1,C4 and M-C2,C3 bond lengths in 1 (M = Fe) are 2.14(1) and 2.02(1) Å, respectively, and corresponding values in 2 (M = Co) are 2.13(1) and 1.99(2) Å, where the difference in atomic radii of iron and cobalt is only about 0.01 Å. See: J. Emsley, The Elements, 3rd edition, Oxford, New York, 1998, pp. 60, 106. Also, the average fold angles for coordinated anthracenes in 1 and 2 are 24 and 28°, respectively.
-
-
-
-
36
-
-
33847805392
-
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a) H. B. Chin, M. B. Smith, R. D. Wilson, R. Bau, J. Am. Chem. Soc. 1974, 96, 5285;
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J. Am. Chem. Soc
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Chin, H.B.1
Smith, M.B.2
Wilson, R.D.3
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37
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0347372234
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b) J.-J. Brunet, D. Neibecker, R. S. Srivastava, J. Organomet. Chem. 1993, 461, 169;
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J. Organomet. Chem
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Brunet, J.-J.1
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0000237982
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a) P. S. Skell, E. M. Van Dam, M. P. Silva, J. Am. Chem. Soc. 1974, 96, 626;
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Skell, P.S.1
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44
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0037662113
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d) M. Kaupp, T. Kopf, A. Murso, D. Stalke, C. Strohmann, J. R. Hanks, F. G. N. Cloke, P. B. Hitchcock, Organometallics 2002, 21, 5021.
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Organometallics
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Kaupp, M.1
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Stalke, D.4
Strohmann, C.5
Hanks, J.R.6
Cloke, F.G.N.7
Hitchcock, P.B.8
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47
-
-
34548131603
-
-
2. See reference [14] for CCDC number and related information.
-
2. See reference [14] for CCDC number and related information.
-
-
-
-
48
-
-
34548136559
-
-
For example, the average outer and inner Fe-C distances in 4, 2.08(2) and 2.02(2, respectively, are essentially identical to corresponding values observed for the 18-electron Fe0 complex [Fe(η 4-C4H6)2(PMe3, 2.084(4) and 2.021(4) Å, 22a] Outer Fe-C distances in substituted {Fe(η4-1,3-diene, complexes tend to be longer, presumably because of steric effects.[22b] Thus, the average outer Fe-C distance in 1 is 2.14(1) Å, whereas respective average inner Fe-C and coordinated diene C-C distances in 1 and 4 are nearly the same
-
[22b] Thus, the average outer Fe-C distance in 1 is 2.14(1) Å, whereas respective average inner Fe-C and coordinated diene C-C distances in 1 and 4 are nearly the same.
-
-
-
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49
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0038272670
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a) J. M. McCall, J. R. Morton, Y. Le Page, K. F. Preston, Organometallics 1984, 3, 1299;
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Organometallics
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McCall, J.M.1
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50
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0040431723
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b) F. A. Cotton, V. W. Day, B. A. Frenz, K. I. Hardcastle, J. M. Troup, J. Am. Chem. Soc. 1973, 95, 4522.
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Cotton, F.A.1
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Troup, J.M.5
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51
-
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34548125742
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[18d, 24]
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[18d, 24]
-
-
-
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53
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37049082361
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-
[21]
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[21]
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54
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0005453503
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K. Jonas, L. Schieferstein, C. Krüger, Y.-H. Tsay, Angew. Chem. 1979, 91, 590;
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85178706727
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Several neutral 17-electron organoiron(I) complexes have been reported. See: K. Jonas, P. Klusmann, R. Goddard, Z. Naturforsch. B 1995, 50, 394.
-
Several neutral 17-electron organoiron(I) complexes have been reported. See: K. Jonas, P. Klusmann, R. Goddard, Z. Naturforsch. B 1995, 50, 394.
-
-
-
-
59
-
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34548131605
-
-
Crystal structure determinations were carried out for both salts, 5a and 5b, and confirmed the presence of identical anions. However, the [K([2.2.2]cryptand, structure solution is of higher quality and will be reported herein. Crystal data for 5b: C 40H58FeKN2O6, Mr, 757.83, triclinic, space group P1, iridescent red-violet plate, a, 12.132(5, b, 13.171(6, c, 14.490(7) Å, α, 108.412(7, β, 107.101(7, γ, 107.176(7)°, V, 1897.5(15) Å3, Z, 2, T, 173(2) K, λ, 0.71073 Å, 18644 reflections, 6696 independent, R1, 0.0377 (I > 2σ(I, wR2, 0.0779 (all data, μ, 0.555 mm-1 SADABS, full-matrix least-squares refinement on F 2. See reference [14] for CCDC number and related information
-
2. See reference [14] for CCDC number and related information.
-
-
-
-
60
-
-
34548128801
-
-
4- polyarene group in 5 are 2.16(2) and 2.08(1) Å, respectively, and the corresponding values for the cobaltate are 2.15(1) and 2.010(2) Å. The average outer C1-C2 and inner C2-C3 bond lengths in 5 are 1.422(3) and 1.401(4), whereas corresponding values for the cobaltate are 1.419(5) and 1.400(2) Å, respectively. Average M-C bond lengths for the cod groups in 5 and the cobaltate are 2.05(1) and 2.019(8) Å, respectively, whereas corresponding average olefinic C-C bond lengths are 1.416(4) and 1.406(6) Å.
-
4- polyarene group in 5 are 2.16(2) and 2.08(1) Å, respectively, and the corresponding values for the cobaltate are 2.15(1) and 2.010(2) Å. The average outer C1-C2 and inner C2-C3 bond lengths in 5 are 1.422(3) and 1.401(4), whereas corresponding values for the cobaltate are 1.419(5) and 1.400(2) Å, respectively. Average M-C bond lengths for the cod groups in 5 and the cobaltate are 2.05(1) and 2.019(8) Å, respectively, whereas corresponding average olefinic C-C bond lengths are 1.416(4) and 1.406(6) Å.
-
-
-
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61
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37049088888
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63
-
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34548134061
-
-
2. See reference [14] for CCDC number and related information.
-
2. See reference [14] for CCDC number and related information.
-
-
-
-
64
-
-
34548134062
-
-
[9d]
-
[9d]
-
-
-
-
67
-
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34548119116
-
-
This observation is consistent with an analysis of loss of resonance energies (ΔRE) that occur when arenes bind to a given metal, oxidation state, and ligand set.[2c] On this basis, the {M(η4- arene, bond energy will increase in the order naphthalene < anthracene. However, the corresponding {Mη6-arene, bond energy will increase in the opposite order, that is, anthracene < naphthalene. This simple analysis does not include steric effects or intrinsic differences in the donor and acceptor abilities of the bound arenes. A recent study by Parkin and co-workers also considers these issues.[2c
-
[2c]
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68
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M. P. Hendrich, W. Gunderson, R. K. Behan, M. T. Green, M. P. Mehn, T. A. Betley, C. C. Lu, J. C. Peters, Proc. Natl. Acad. Sci. USA 2006, 103, 17107, and references therein.
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c) M. P. Hendrich, W. Gunderson, R. K. Behan, M. T. Green, M. P. Mehn, T. A. Betley, C. C. Lu, J. C. Peters, Proc. Natl. Acad. Sci. USA 2006, 103, 17107, and references therein.
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