Abstract
Results of spectroscopic investigations related to complex compositions of 3-substituted derivatives of pentane-2,4-dione (β-diketonate) complexes with chosen d- and f-metal ions are presented. Ligands 3-allylacetylacetone (3all-acac) and 3-benzylacetylacetone (3ben-acac) were prepared and used for the complexation study with Cu(II), Co(II), Nd(III), and Ho(III) metal ions. Based on the absorption spectra of lanthanide ions in their hypersensitive transitions, with the use of computer assisted target factor analysis (CAT) and absorption spectra of the ligands with Cu(II) and Co(II), the verification of complex compositions and the determination of their stability constants were achieved. In case of Nd(III) and Ho(III) complexes with β-diketone ligands, absorption of their maxima were studied in the range of hypersensitive transitions 4 I 9/2 → 4 F 7/2 + 4 S 3/2 (λ max ∼ 734 nm and 748 nm) for Nd(III) and in the range of 435–465 nm, corresponding to the hypersensitive transition 5 G 6 → 5 I 8 (λ max ∼ 450 nm), for Ho(III).
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References
Binnemans, K. (2009). Lanthanide-based luminescent hybrid materials. Chemical Reviews, 109, 4283–4374. DOI: 10.1021/cr8003983.
de Sá, G. F., Malta, O. L., de Mello Donegá, C., Simas, A. M., Longo, R. L., Santa-Cruz, P. A., & da Silva, E. F., Jr. (2000). Spectroscopic properties and design of highly luminescent lanthanide coordination complexes. Coordination Chemistry Reviews, 196, 165–195. DOI: 10.1016/S0010-8545(99)00054-5.
Eddy, V. J., Hallgren, J. E., & Colborn, R. E. (1990). New one-component anhydride-cured epoxy with an aliphatic disiloxane dianhydride and metal-coordinated Lewis bases. Journal of Polymer Sciences Part A: Polymer Chemistry, 28A, 2417–2426. DOI: 10.1002/pola.1990.080280914.
Hammond, G. S., Borduin, W. G., & Guter, G. A. (1959). Chelates of β-diketones. I. Enolization, ionization and spec tra. Journal of the American Chemical Society, 81, 4682–4686. DOI: 10.1021/ja01526a058.
Izatt, R. M., Fernelius, W. C., & Block, B. P. (1955). Studies on coordination compounds. XIII. Formation constants of bivalent metal ions with the acetylacetonate ion. The Journal of Physical Chemistry, 59, 80–84. DOI: 10.1021/j150523a022.
Lis, S., Marciniak, B., & Elbanowski, M. (1989). On the role of the ground state Tb(III)/acetylacetone complex in sensitized emission of Tb(III) in ethanol solution. Monatshefte für Chemie, 120, 821–826. DOI: 10.1007/BF00811121.
Mehrotra, R. C., Bohra, R., & Gaur, D. P. (1978). Metal β-diketonates and allied derivatives. New York, NY, USA: Academic Press.
Meinrath, G., & Lis, S. (2001). Quantitative resolution of spectroscopic systems using computer-assisted target factor analysis (CAT). Fresenius’ Journal of Analytical Chemistry, 369, 124–133. DOI: 10.1007/s002160000621.
Staniszewski, B., & Urbaniak, W. (2009). A simple and efficient synthesis of 3-substituted derivatives of pentane-2,4-dione. Chemical Papers, 63, 212–216. DOI: 10.2478/s11696-008-0097-9.
Starý, J., & Liljenzin, J. O. (1982). Critical evaluation of equilibrium constants involving acetylacetone and its metal chelates. Pure & Applied Chemistry, 54, 2557–2592. DOI: 10.1351/pac198254122557.
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Pawlicki, G., Staniszewski, B., Witt, K. et al. Complexation studies of 3-substituted β-diketones with selected d- and f-metal ions. Chem. Pap. 65, 221–225 (2011). https://doi.org/10.2478/s11696-010-0102-y
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DOI: https://doi.org/10.2478/s11696-010-0102-y