A Raman spectroscopic study of merocyanine aggregates of a 15N-isotopomer of 6-Nitro-1′,3′,3′-trimethylspiro[2H-1-benzopyran-2,2′- indoline]. A direct evidence for the association through the NO2-bridges

Chemistry Letters

Volumn , Issue 8, 1996, Pages 715-716

  Sato, Hiroyasu ^a,b   Matsuzaki, Akiyoshi ^a   Nishio, Satoru ^a   Yoshimi, Motohiro ^a   Yamamoto, Katsutoshi ^a   Tomioka, Hideo ^a  

^a MIE UNIVERSITY   (Japan)

^b INSTITUTE FOR MOLECULAR SCIENCE   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0030493090     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1996.715     Document Type: Article

References (10)

1. R. C. Bertelson, in "Techniques of Chemistry," ed by G. H. Brown, Wiley-Interscience, New York (1971), Vol. III, Chap. 3.
2. V. A. Krongauz and A. A. Parshutkin, Photochem. Photobiol., 15, 503 (1972).
3. Y. Onai, K. Kasatani, M. Kobayashi, H. Shinohara, and H. Sato, Chem. Lett., 1990, 1809.
4. Y. Onai, M. Mamiya, T. Kiyokawa, K. Okuwa, M. Kobayashi, H. Shinohara, and H. Sato, J. Phys. Chem., 97, 9499 (1993).
5. H. Takahashi, H. Murakawa, Y. Sakaino, T. Ohzeki, J. Abe, and O. Yamada, J. Photochem. Photobiol. A. Chem., 45, 233 (1988).
6. -1.
7. T. Yuzawa, A. Shimojima, and H. Takahashi, J. Mol. Struct., 352/353, 497 (1995).
8. E. Berman, R. E. Fox, and F. D. Thomson, J. Am. Chem. Soc., 81, 5605 (1959).
9. A. Miyata, Y. Unuma and Y. Higashigaki, Bull. Chem. Soc. Jpn., 64, 1719 (1991).
10. -1 range. This is the case also for our aggregates, which indicates that aggregation does not lead to any appreacible increase in the relative importance of the resonance hybrid structure shown in Figure 1, in comparison with the corresponding merocyanine monomers.