Conductance and Thermodynamics Study of Interaction of Some Transition Metals with Mixed Oxygen-Nitrogen Donors Macrocycles in Acetonitrile solution

Samer M. Hamzeh; Ismail I. Fasfous; Jamal N. Dawoud

doi:10.14233/ajchem.2015.17579

Issue

Vol. 27 No. 2 (2015): Vol 27 Issue 2

Issue Published : January 10, 2015

This work is licensed under a Creative Commons Attribution 4.0 International License.

Conductance and Thermodynamics Study of Interaction of Some Transition Metals with Mixed Oxygen-Nitrogen Donors Macrocycles in Acetonitrile solution

https://doi.org/10.14233/ajchem.2015.17579

Samer M. Hamzeh

Department of Chemistry, The Hashemite University, P.O. Box 150459, Az Zarqa' 13115, Jordan

Ismail I. Fasfous

Department of Chemistry, The Hashemite University, P.O. Box 150459, Az Zarqa' 13115, Jordan

Jamal N. Dawoud

Department of Chemistry, The Hashemite University, P.O. Box 150459, Az Zarqa' 13115, Jordan

Corresponding Author(s) : Samer M. Hamzeh

samzh@hu.edu.jo

Asian Journal of Chemistry, Vol. 27 No. 2 (2015): Vol 27 Issue 2
Article Published : January 10, 2015

Abstract

The thermodynamic stabilities of the transition metals Mn²⁺, Co²⁺, Ni²⁺ and Cu²⁺, with the mixed oxygen-nitrogen donor macrocycles, 1,7-diaza-12-crown-4 and 1,10-diaza-18-crown-6, have been determined conductometrically in acetonitrile solution at various temperatures (283, 293, 303 and 313 K). The formation constants, K_f, of the resulting 1:1 complexes were determined from the molar conductance-mole ratio data by using a non-linear least square fitting procedure. The perchlorate salts of these metal ions show a gradual decrease in the molar conductance with addition of the ligand. The binding sequence based on the value of ln K_f at 298 K, as derived from this study is Co²⁺ > Mn²⁺ > Cu²⁺ > Ni²⁺ for 1,7-Diaza-12-crown-4 for interaction pattern, and Co²⁺ > Ni²⁺ > Cu²⁺ > Mn²⁺ for 1,10-diaza-18-crown-6 interaction. The solvation and the conformational change of the ligands influence the relative stabilities of the complexes. The thermodynamic parameters DH^o and DS^o of these interactions were determined from the temperature dependence of the formation constants.

Keywords

Conductometric titration 1 7-Diaza-12-crown-4 10-Diaza-18-crown-6 Formation constant Acetonitrile

M. Hamzeh, S., I. Fasfous, I., & N. Dawoud, J. (2015). Conductance and Thermodynamics Study of Interaction of Some Transition Metals with Mixed Oxygen-Nitrogen Donors Macrocycles in Acetonitrile solution. Asian Journal of Chemistry, 27(2), 674–678. https://doi.org/10.14233/ajchem.2015.17579

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References

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References

C.J. Pedersen, J. Am. Chem. Soc., 89, 7017 (1967); doi:10.1021/ja01002a035.

M. Payehghadr and R. Heidari, J. Incl. Phenom. Macrocycl. Chem., 75, 205 (2013); doi:10.1007/s10847-012-0162-4.

M. Valente, S.F. Sousa, A.L. Magalhães and C. Freire, J. Mol. Model., 17, 3275 (2011); doi:10.1007/s00894-011-1004-9.

H.J. Buschmann, R.C. Mutihac and E. Schollmeyer, J. Solution Chem., 38, 209 (2009); doi:10.1007/s10953-008-9358-z.

R.M. Izatt, J.S. Bradshaw, S.A. Nielsen, J.D. Lamb, J.J. Christensen and D. Sen, Chem. Rev., 85, 271 (1985); doi:10.1021/cr00068a003.

R.D. Hancock, J. Chem. Educ., 69, 615 (1992); doi:10.1021/ed069p615.

R.D. Hancock and A.E. Martell, Chem. Rev., 89, 1875 (1989); doi:10.1021/cr00098a011.

R.M. Izatt, K. Pawlak, J.S. Bradshaw and R.L. Bruening, Chem. Rev., 95, 2529 (1995); doi:10.1021/cr00039a010.

V.P. Solov’ev, N.N. Strakhova, O.A. Raevsky, V. Rüdiger and H.J. Schneider, J. Org. Chem., 61, 5221 (1996); doi:10.1021/jo952250h.

J.D. Lamb, R.M. Izatt, C.S. Swain and J.J. Christensen, J. Am. Chem. Soc., 102, 475 (1980); doi:10.1021/ja00522a005.

J.M. Caridade Costa and P.M.S. Rodrigues, Electrochim. Acta, 20, 167 (2002); doi:10.4152/pea.200204167.

Rounaghi, A. Soleamani and K.R. Sanavi, J. Incl. Phenom. Macrocycl. Chem., 58, 43 (2007); doi:10.1007/s10847-005-9035-4.

M. Shamsipur and G. Khayatian, J. Incl. Phenom. Macrocycl. Chem., 39, 109 (2001); doi:10.1023/A:1008144802638.

J.M. Lehn, Struct. Bonding, 16, 1 (1973); doi:10.1007/BFb0004364.

G. Anderegg, Helv. Chim. Acta, 58, 1218 (1975); doi:10.1002/hlca.19750580427.

G. Anderegg, A. Ekstrom, L.F. Lindoy and R.J. Smith, J. Am. Chem. Soc., 102, 2670 (1980); doi:10.1021/ja00528a025.

L.F. Lindoy, H.C. Lip, J.H. Rea, R.J. Smith, K. Henrick, M. McPartlin and P.A. Tasker, Inorg. Chem., 19, 3360 (1980); doi:10.1021/ic50213a030.

D.A. Gustowski, V.J. Gatto, J. Mallen, L. Echegoyen and G.W. Gokel, J. Org. Chem., 52, 5172 (1987); doi:10.1021/jo00232a021.

A. Ekstrom, L.F. Lindoy and R.J. Smith, Inorg. Chem., 19, 724 (1980); doi:10.1021/ic50205a028.

K.R. Adam, L.F. Lindoy, B.W. Skelton, S.V. Smith and A.H. White, J. Chem. Soc., Dalton Trans., 3361 (1994); doi:10.1039/dt9940003361.

Y. Wu and W. Koch, J. Solution Chem., 20, 391 (1991); doi:10.1007/BF00650765.

J.A. Nelder and R. Mead, Comput. J., 7, 308 (1965); doi:10.1093/comjnl/7.4.308.

G.W. Gokel, D.M. Goli, C. Minganti and L. Echegoyen, J. Am. Chem. Soc., 105, 6786 (1983); doi:10.1021/ja00361a003.

E. Luboch, A. Cygan and J.F. Biernat, Inorg. Chim. Acta, 68, 201 (1983); doi:10.1016/S0020-1693(00)88961-6.

F. Arnaud-Neu, B. Spiess and M.J. Schwing-Weill, Helv. Chim. Acta, 60, 2633 (1977); doi:10.1002/hlca.19770600815.

G. Anderegg, Helv. Chim. Acta, 64, 1790 (1981); doi:10.1002/hlca.19810640608.

F. Arnaud-Neu, B. Spiess and M.J. Schwing-Weill, J. Am. Chem. Soc., 104, 5641 (1982); doi:10.1021/ja00385a014.

K.M. Tawarah and S.A. Mizyed, J. Solution Chem., 18, 387 (1989); doi:10.1007/BF00656776.

Issue

Vol. 27 No. 2 (2015): Vol 27 Issue 2

Conductance and Thermodynamics Study of Interaction of Some Transition Metals with Mixed Oxygen-Nitrogen Donors Macrocycles in Acetonitrile solution

Corresponding Author(s) : Samer M. Hamzeh

Abstract

Keywords

Full Article

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