SOLVATOCHROMIC AND SUBSTITUENT EFFECT ON ELECTRONIC ABSORPTION OF ARENETRICARBONYLCHROMIUM(0) COMPLEXES

https://doi.org/10.22146/ijc.21641

Agus Abhi Purwoko(1*)

(1) Study Program of Chemistry Education, Faculty of Teacher Training and Education, University of Mataram, Jl. Majapahit 62 Mataram
(*) Corresponding Author

Abstract


A number of arenetricarbonylchromium(0) complexes, [(η6-arene)Cr(CO)3], in which arene = benzene, chlorobenzene, phenyltrimethylsilane, and acenaphthene were synthesized. Electronic absorptions of these complexes were recorded in various solvents, ranging from polar to non polar ones; i.e. methanol, methylene chloride, chloroform, benzene, and isooctane. These chromium tricarbonyl complexes show lowest electronic absorption in the energy range of 313 - 320 nm, with relatively high intensity (ε = 0,9 - 2,0 x 104 M-1cm-1). Detailed discussion of the solvent and substituent effect on electronic absorption of these complexes are presented in this article.


Keywords


solvatochromic and substituent effect; chromium tricarbonyl complexes; electronic absorption

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DOI: https://doi.org/10.22146/ijc.21641

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