Kinetics and mechanism of base hydrolysis in cobalt(III) complexes - The case of a complex CoLCl2+ where L has the novel topology of a square- pyramidal NN4 coordination cap

European Journal of Inorganic Chemistry

Volumn , Issue 4, 1999, Pages 643-650

  Poth, Tilo ^a   Paulus, Helmut ^a   Elias, Horst ^a   Van Eldik, Rudi ^b   Grohmann, Andreas ^b  

^a DARMSTADT UNIVERSITY OF TECHNOLOGY   (Germany)

^b UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

Author keywords

Cobalt(III) complexes; Hydrolysis; Kinetics; Mechanism; Tetrapodal pentadentate ligand

Indexed keywords

CHLORINE COMPOUNDS; COBALT COMPOUNDS; CRYSTAL STRUCTURE; HYDROLYSIS; IONIC STRENGTH; LIGANDS;

COBALT(III) COMPLEX; DONOR SETS; KINETIC INVESTIGATIONS; KINETICS AND MECHANISM; MULTIWAVELENGTH; PENTADENTATE LIGANDS; PYRAMIDAL COORDINATION; SECOND ORDER KINETICS; STOPPED-FLOW SPECTROPHOTOMETRY; TETRAPODAL PENTADENTATE LIGAND;

KINETICS;

CHLORIDE; COBALT COMPLEX;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; COMPLEX FORMATION; CRYSTAL STRUCTURE; HYDROLYSIS; INFRARED SPECTROSCOPY; KINETICS; MASS SPECTROMETRY; PROTON NUCLEAR MAGNETIC RESONANCE;

EID: 0032766796     PISSN: 14341948     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1099-0682(199904)1999:4<643::AID-EJIC643>3.0.CO;2-9     Document Type: Article

References (37)

1. C.-H. Lee, B. Garcia, T. C. Bruice, J. Am. Chem. Soc. 1990, 112, 6434.
2. A. Grohmann, F. Knoch, Inorg. Chem. 1996, 35, 7932.
3. M. E. de Vries, R. M. La Crois, G. Roelfes, H. Kooijman, A. L. Spek, R. Hage, B. L. Feringa, J. Chem. Soc., Chem. Commun. 1997, 1549.
4. C. Dietz, S. Schmidt, F. W. Heinemann, A. Grohmann in Selective Reactions of Metal-Activated Molecules (Eds.: H. Werner, P. Schreier), Vieweg, Braunschweig, 1998, p. 217.
5. C. Dietz, F. W. Heinemann, J. Kuhnigk, C. Krüger, M. Gerdan, A. X. Trautwein, A. Grohmann, Eur. J. Inorg. Chem. 1998, 1041.
6. A. Grohmann, F. W. Heinemann, P. Kofod, Inorg. Chim. Acta, in press.
7. For an elegant recent study of (cyclen)cobalt(III) complexes, see: D. A. Buckingham, C. R. Clark, A. J. Rogers, J. Simpson, Inorg. Chem. 1998, 37, 3497.
8. M. L. Tobe, Adv. Inorg. Bioinorg. Mech. 1983, 2, 1.
9. An authoritative, brief summary of the arguments leading to the establishment of the conjugate base mechanism may be found in: R. G. Wilkins, Kinetics and Mechanism of Reactions of Transition Metal Complexes, VCH, Weinheim, 1991, p. 215.
10. J. McKenzie, D. A. House, J. Inorg. Nucl. Chem. 1977, 39, 1843.
11. B. R. Cameron, D. A. House, A. McAuley, J. Chem. Soc., Dalton Trans. 1993, 1019.
12. E. Ahmed, C. Chatterjee, C. J. Cooksey, M. L. Tobe, G. Williams, M. Humanes, J. Chem. Soc., Dalton Trans. 1989, 645.
13. J. Burgess, Metal Ions in Solution, Wiley, Chichester, 1978, p. 271.
14. [14a] A. Looney, R. Han, K. McNeill, G. Parkin, J. Am. Chem. Soc. 1993, 115, 4690.
15. [14b] R. Alsfasser, M. Ruf, S. Trofimenko, H. Vahrenkamp, Chem. Ber. 1993, 126, 703.
16. 13C-NMR-Spektroskopie, Thieme, Stuttgart, 1984, p. 512.
17. G. Socrates, Infrared Characteristic Group Frequencies, Wiley, Chichester, 1994, p. 223.
18. III-OH complexes produced 2 hits: [17a] A. Bigotto, E. Zangrando, L. Randaccio, J. Chem. Soc. Dalton Trans. 1976, 96.
19. [17b] E. S. Kucharski, B. W. Skelton, A. H. White, Aust. J. Chem. 1978, 31, 47.
20. J. D. Atwood, Inorganic and Organometallic Reaction Mechanisms, VCH, New York, 1996, p. 48.
21. A. Bondi, J. Phys. Chem. 1964, 68, 441.
22. 2+ respectively.
23. R. Henderson, M. L. Tobe, Inorg. Chem. 1977, 16, 2576.
24. W. G. Jackson, B. C. McGregor, S. S. Jurrison, Inorg. Chem. 1990, 29, 4677.
25. P. Comba, W. G. Jackson, W. Marty, L. Zipper, Helv. Chim. Acta 1992, 75, 1147.
26. Y. Kitamura, G. A. Lawrance, R. van Eldik, Inorg. Chem. 1989, 28, 333.
27. L. S. Dong, D. A. House, Inorg. Chim. Acta 1976, 19, 23.
28. J. O. Edwards, F. Monacelli, G. Ortaggi, Inorg. Chim. Acta 1974, 11, 47.
29. Y. Kitamura, R. van Eldik, Ber. Bunsenges. Chem. 1984, 88, 418.
30. [28a] Y. Kitamura, R. van Eldik, H. Kelm, Inorg. Chem. 1984, 23, 2038.
31. [28b] A. Drljaca, C. D. Hubbard, R. van Eldik, T. Asano, M. V. Basilevsky, W. J. le Noble, Chem. Rev. 1998, 98, 2167.
32. D. A. House, P. R. Norman, R. W. Hay, Inorg. Chim Acta 1980, 45, L117.
33. H. Elias, F. Sattler, K. J. Wannowius, GIT Fachz. Lab. 1985, 29, 1138.
34. R. van Eldik, W. Gaede, S. Wieland, J. Kraft, M. Spitzer, D. A. Palmer, Rev. Sci. Instrum. 1993, 64, 1355.
35. R. van Eldik, Y. Kitamura, C. P. Piriz Mac-Coll, Inorg. Chem. 1986, 25, 4252.
36. R. G. Pearson, R. E. Meeker, F. Basolo, J. Am. Chem. Soc. 1956, 78, 709.
37. D. A. Buckingham, P. J. Cresswell, A. M. Sargeson, Inorg. Chem. 1975, 14, 1485.