Syntheses of new {tetrakis(1-pyrazolyl)borato}samarium(III) complexes and their temperature-dependent exchange motions of all pyrazolyl groups

Chemistry Letters

Volumn , Issue 7, 1999, Pages 573-574

  Onishi, Masayoshi ^a   Yamaguchi, Hitoshi ^a   Shimotsuma, Hirokazu ^a   Hiraki, Katsuma ^a   Nagaoka, Junko ^a   Kawano, Hiroyuki ^a  

^a NAGASAKI UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0033474801     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1999.573     Document Type: Article

References (29)

1. C. J. Schaverien, Adv. Organomet. Chem., 36, 283 (1994); T. J. Marks and R. D. Ernst, in "Comprehensive Organometallic Chemistry," ed by G. Wilkinson, Pergamon, Oxford (1982), Vol. 3, Chap. 21, p.173;
2. C. J. Schaverien, Adv. Organomet. Chem., 36, 283 (1994); T. J. Marks and R. D. Ernst, in "Comprehensive Organometallic Chemistry," ed by G. Wilkinson, Pergamon, Oxford (1982), Vol. 3, Chap. 21, p.173;
3. P. L. Watson and G. W. Parshall, Acc. Chem. Res., 18, 51 (1985); P. L. Watson, J. Am. Chem. Soc., 104, 337 (1982); P. L. Watson, J. Chem. Soc., Chem. Commun., 1983, 276; G. Jeske, L. E. Schock, P. N. Swepston, H. Schumann, and T. J. Marks, J. Am. Chem. Soc., 107, 8103 (1985).
4. P. L. Watson and G. W. Parshall, Acc. Chem. Res., 18, 51 (1985); P. L. Watson, J. Am. Chem. Soc., 104, 337 (1982); P. L. Watson, J. Chem. Soc., Chem. Commun., 1983, 276; G. Jeske, L. E. Schock, P. N. Swepston, H. Schumann, and T. J. Marks, J. Am. Chem. Soc., 107, 8103 (1985).
5. P. L. Watson and G. W. Parshall, Acc. Chem. Res., 18, 51 (1985); P. L. Watson, J. Am. Chem. Soc., 104, 337 (1982); P. L. Watson, J. Chem. Soc., Chem. Commun., 1983, 276; G. Jeske, L. E. Schock, P. N. Swepston, H. Schumann, and T. J. Marks, J. Am. Chem. Soc., 107, 8103 (1985).
6. P. L. Watson and G. W. Parshall, Acc. Chem. Res., 18, 51 (1985); P. L. Watson, J. Am. Chem. Soc., 104, 337 (1982); P. L. Watson, J. Chem. Soc., Chem. Commun., 1983, 276; G. Jeske, L. E. Schock, P. N. Swepston, H. Schumann, and T. J. Marks, J. Am. Chem. Soc., 107, 8103 (1985).
7. S. Trofimenko, Chem. Rev., 93, 943 (1993); A. Shaver, in "Comprehensive Coordination Chemistry," ed by G. Wilkinson, Pergamon, Oxford (1987), Vol. 2, Chap. 13.6, p. 245.
8. S. Trofimenko, Chem. Rev., 93, 943 (1993); A. Shaver, in "Comprehensive Coordination Chemistry," ed by G. Wilkinson, Pergamon, Oxford (1987), Vol. 2, Chap. 13.6, p. 245.
9. D. L. Reger, S. J. Knox, J. A. Lindeman, and L. Lebioda, Inorg. Chem., 29, 416 (1990); D. L. Reger, J. A. Lindeman, and L. Lebioda, Inorg. Chim. Acta, 139, 71 (1987); M. Onishi, N. Nagaoka, K. Hiraki, and K. Itoh, J. Alloys and Compds., 236, 6 (1996).
10. D. L. Reger, S. J. Knox, J. A. Lindeman, and L. Lebioda, Inorg. Chem., 29, 416 (1990); D. L. Reger, J. A. Lindeman, and L. Lebioda, Inorg. Chim. Acta, 139, 71 (1987); M. Onishi, N. Nagaoka, K. Hiraki, and K. Itoh, J. Alloys and Compds., 236, 6 (1996).
11. D. L. Reger, S. J. Knox, J. A. Lindeman, and L. Lebioda, Inorg. Chem., 29, 416 (1990); D. L. Reger, J. A. Lindeman, and L. Lebioda, Inorg. Chim. Acta, 139, 71 (1987); M. Onishi, N. Nagaoka, K. Hiraki, and K. Itoh, J. Alloys and Compds., 236, 6 (1996).
12. 4}] presently, have been prepared. See a brief description in the following literature also; K. W. Bagnall, A. C. Tempest, J. Takats, and A. P. Masino, Inorg. Nucl. Chem. Lett., 12, 555 (1976).
13. S-Y. Liu, G. H. Maunder, A. Sella, M. Stevenson, and D. A. Tocher, Inorg. Chem., 35, 76 (1996); M. E. M. Hamidi and J. -L. Pascal, Polyhedron, 13, 1787 (1994).
14. S-Y. Liu, G. H. Maunder, A. Sella, M. Stevenson, and D. A. Tocher, Inorg. Chem., 35, 76 (1996); M. E. M. Hamidi and J. -L. Pascal, Polyhedron, 13, 1787 (1994).
15. 2(β-ketoenolato)], see the following; R. G. Lawrence, C. J. Jones, and R. A. Kresinski, J. Chem. Soc., Dalton Trans., 1996, 501; M. A. J. Moss and C. J. Jones, Polyhedron, 9, 697 (1990); M. A. J. Moss, C. J. Jones, and A. J. Edwards, J. Chem. Soc., Dalton Trans., 1989, 1393; M. Onishi, K. Itoh, K. Hiraki, R. Oda, and K. Aoki, Inorg. Chim. Acta, 277, 8 (1998).
16. 2(β-ketoenolato)], see the following; R. G. Lawrence, C. J. Jones, and R. A. Kresinski, J. Chem. Soc., Dalton Trans., 1996, 501; M. A. J. Moss and C. J. Jones, Polyhedron, 9, 697 (1990); M. A. J. Moss, C. J. Jones, and A. J. Edwards, J. Chem. Soc., Dalton Trans., 1989, 1393; M. Onishi, K. Itoh, K. Hiraki, R. Oda, and K. Aoki, Inorg. Chim. Acta, 277, 8 (1998).
17. 2(β-ketoenolato)], see the following; R. G. Lawrence, C. J. Jones, and R. A. Kresinski, J. Chem. Soc., Dalton Trans., 1996, 501; M. A. J. Moss and C. J. Jones, Polyhedron, 9, 697 (1990); M. A. J. Moss, C. J. Jones, and A. J. Edwards, J. Chem. Soc., Dalton Trans., 1989, 1393; M. Onishi, K. Itoh, K. Hiraki, R. Oda, and K. Aoki, Inorg. Chim. Acta, 277, 8 (1998).
18. 2(β-ketoenolato)], see the following; R. G. Lawrence, C. J. Jones, and R. A. Kresinski, J. Chem. Soc., Dalton Trans., 1996, 501; M. A. J. Moss and C. J. Jones, Polyhedron, 9, 697 (1990); M. A. J. Moss, C. J. Jones, and A. J. Edwards, J. Chem. Soc., Dalton Trans., 1989, 1393; M. Onishi, K. Itoh, K. Hiraki, R. Oda, and K. Aoki, Inorg. Chim. Acta, 277, 8 (1998).
19. 2(β-ketoenolato)], see the following; R. G. Lawrence, C. J. Jones, and R. A. Kresinski, J. Chem. Soc., Dalton Trans., 1996, 501; M. A. J. Moss and C. J. Jones, Polyhedron, 9, 697 (1990); M. A. J. Moss, C. J. Jones, and A. J. Edwards, J. Chem. Soc., Dalton Trans., 1989, 1393; M. Onishi, K. Itoh, K. Hiraki, R. Oda, and K. Aoki, Inorg. Chim. Acta, 277, 8 (1998).
20. 1-linking β-ketoenolates, see, K. Nakamoto, "Infrared Spectra of Inorganic and Coordination Compounds," Wiley-Intetscience, New York (1970).
21. w= 0.048 for 10016 observations (I>3.00σ(I)). Sm(1)-N(1), 2.544(6); Sm(1)-N(3), 2.544(6); Sm(1)-N(5), 2.599(5); Sm(1)-N(9) 2.602(6); Sm(1)-N(11), 2.523(6); Sm(1)-N(13), 2.556(5) Å.
22. 3); δ 2.27 and 9.29 at -80 °C; δ 2.56 and 8.78 at 100 °C.
23. 4 ligands. S. Trofimenko, Acc. Chem. Res., 4, 17 (1971); M. Onishi, K. Hiraki, and S. Nakagawa, Bull. Chem. Soc. Jpn., 53, 1459 (1980).
24. 4 ligands. S. Trofimenko, Acc. Chem. Res., 4, 17 (1971); M. Onishi, K. Hiraki, and S. Nakagawa, Bull. Chem. Soc. Jpn., 53, 1459 (1980).
25. 4 ligands. S. Trofimenko, Acc. Chem. Res., 4, 17 (1971); M. Onishi, K. Hiraki, and S. Nakagawa, Bull. Chem. Soc. Jpn., 53, 1459 (1980).
26. 4 ligands. S. Trofimenko, Acc. Chem. Res., 4, 17 (1971); M. Onishi, K. Hiraki, and S. Nakagawa, Bull. Chem. Soc. Jpn., 53, 1459 (1980).
27. 4 ligands. S. Trofimenko, Acc. Chem. Res., 4, 17 (1971); M. Onishi, K. Hiraki, and S. Nakagawa, Bull. Chem. Soc. Jpn., 53, 1459 (1980).
28. 4 ligands. S. Trofimenko, Acc. Chem. Res., 4, 17 (1971); M. Onishi, K. Hiraki, and S. Nakagawa, Bull. Chem. Soc. Jpn., 53, 1459 (1980).
29. 4 ligands. S. Trofimenko, Acc. Chem. Res., 4, 17 (1971); M. Onishi, K. Hiraki, and S. Nakagawa, Bull. Chem. Soc. Jpn., 53, 1459 (1980).