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0343869597
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3
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4243688777
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1242343070
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0000067586
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- (n=2, 3): B. Bogdanoviæ, W. Leitner, Ch. Six, U. Wilczok K. Wittmann, Angew. Chem. 1997, 109, 518; Angew. Chem. Int. Ed. Engl. 1997, 36, 500.
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79251478122
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0001280282
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2] (M=Rh, Ir): A. Szymaszek, F. P. Pruchnik, J. Organomet. Chem. 1989, 376, 133, and references therein.
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C-H bond activation: J. A. Sofranko, R. Eisenberg, J. A. Kampmeier, J. Am. Chem. Soc. 1980, 102, 1163.
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C. Böhler, N. Avarvari, H. Schönberg, M. Wörle, H. Rüegger, H. Grützmacher, Helv. Chim. Acta 2001, 84, 3127; relevant bond lengths [Å] and angles [°] of 4: Ir-P1 2.292, Ir-P2 2.288, Ir-Ct1 2.050, Ir-Ct2 2.062, C4-C5 1.441, C4a-C5a 1.448; P1-Ir-P2 172.7, Ct1-Ir-Ct2 131.5.
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0002395808
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(Ed.: M. Chanon), Wiley
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2 from proton sources including water have been intensively studied; for a review see: E. Amouyal in Homogeneous Photocatalysis, Vol II, (Ed.: M. Chanon), Wiley, 1997, p. 263.
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Amouyal, E.1
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33745231055
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Numerous five-coordinate complexes with rhodium and iridium have been investigated in the past decades. For a compilation of structural data see: A. G. Orpen, L. Brammer, F. H. Allen, O. Kennard, D. G. Watson, R. Taylor, J. Chem. Soc. 1989, S1.
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25
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0000221548
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and ref. [24]
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A pure Y-type structure of a ML5 complex has two angles > 120° and one smaller than 120° in the equatorial plane. A T-type structure has two angles at 90° and one angle at 180°. Y/T-forms show aspects of both limiting forms and are unsymmetrical: G. Ujaque, F. Maseras, O. Eisenstein, L. Liable-Sands, A. L. Rheingold, W. Yao, R. H. Crabtree, New J. Chem. 1998, 1493 and ref. [24].
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26
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0000384893
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J.-F. Riehl, Y. Jean, O. Eisenstein, M. Péllisier, Organometallics 1992, 11, 729 and references therein.
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27
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0000886999
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6-valence-electron-configured metal centers distort to a Y-structure: H. Werner, A. Hohn, M. Dziallas, Angew. Chem. 1986, 98, 1112; Angew. Chem. Int. Ed. Engl. 1986, 25, 1090.
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84949409885
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6-valence-electron-configured metal centers distort to a Y-structure: H. Werner, A. Hohn, M. Dziallas, Angew. Chem. 1986, 98, 1112; Angew. Chem. Int. Ed. Engl. 1986, 25, 1090.
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29
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1242297936
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note
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8-metal complex is spin-forbidden.
-
-
-
-
30
-
-
1242343066
-
-
note
-
1H) = 4.27, 4.10 ppm. Note, however, that although the formation of five-coordinate complexes from cis-1-Rh with acetonitrile and from cis-1-Ir with THF is not detected, these isomers must be involved in the equilibrium reaction shown in Scheme 2, as the ratio of trans to cis isomers remains constant at all temperatures.
-
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32
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0035108071
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Grützmacher, H.6
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33
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0030166213
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The MEXICO program package was used for the simulations and data evaluation. See: A. D. Bain, G. J. Duns, Can. J. Chem. 1996, 74, 819; see also: http://www.chemistry.mcmaster.ca/faculty/bain/exchange.html.
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Duns, G.J.2
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0001852305
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The CIFIT program package was used for the simulations and data evaluation. See, a) A. D. Bain, J. A. Cramer, J. Magn. Reson. Ser. A 1996, 118, 21;
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Currao, A.5
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Pritzkow, H.8
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45
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1242275530
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note
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-5 M).
-
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47
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0037240807
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2 cleavage, see K. Gruet, E. Clot, O. Eisenstein, D. Heon Lee, B. Patel, A. Macchioni, R. H. Crabtree, New J. Chem. 2003, 80-87.
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Gruet, K.1
Clot, E.2
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Heon Lee, D.4
Patel, B.5
Macchioni, A.6
Crabtree, R.H.7
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48
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-
1242275528
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-
note
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-1 is obtained as the difference between the activation energies of processes in Equations (4) and (5), see Table 4).
-
-
-
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49
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0003947806
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Wiley, New York
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9 species: T.A. Albright, J.K. Burdett, M.-H. Whangbo, Orbital Interactions in Chemistry, Wiley, New York, 1984, p. 304.
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Albright, T.A.1
Burdett, J.K.2
Whangbo, M.-H.3
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50
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0003637196
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VCH, Weinheim
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There are many examples described in the literature in which mechanistic problems in organometallic chemistry have been successfully tackled by electrochemical methods. Only a very restricted number of reviews can be given here: a) D. Astruc, Electron Transfer and Radical Processes in Transition Metal Chemistry, VCH, Weinheim, 1995;
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Electron Transfer and Radical Processes in Transition Metal Chemistry
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Astruc, D.1
|