Magnetic, thermal and spectral characterization of 2,6-dimethoxybenzoates of Co(II), Ni(II) and Cu(II)
PDF

Keywords

2,6-dimethoxybenzoates
thermal stability
magnetic properties of Co(II), Ni(II) and Cu(II)
IR spectra

How to Cite

Ferenc, W., Walków-Dziewulska, A., & Sarzyński, J. (2006). Magnetic, thermal and spectral characterization of 2,6-dimethoxybenzoates of Co(II), Ni(II) and Cu(II). Eclética Química, 31(2), 17–24. https://doi.org/10.26850/1678-4618eqj.v31.2.2006.p17-24

Abstract

The complexes of 2,6-dimethoxybenzoic acid anion with ions of Co(II), Ni(II), and Cu(II)
have been synthesized as polycrystalline solids, and characterized by elemental analysis, spectroscopy,
magnetic studies, and also by X-ray diffraction and thermogravimetric measurements. The analysed
complexes have following colours: pink for Co(II), green for Ni(II), and blue for Cu(II) compounds.
The carboxylate group binds as monodentate, and bidentate bridging and chelating ligands. On heat-
ing in air to 1173 K the complexes decompose in four, three or two steps. At first, they dehydrate in
one or two steps to anhydrous salts, that next decompose to oxides of the respective metals. The solu-
bility of the investigated dimethoxybenzoates in water at 293 K is of the order of 10 -2 mol/dm 3 . Their
magnetic moments were determined in the temperature range of 76-303 K. The results reveal the com-
pounds of Co(II) and Ni(II) to be high-spin complexes and that of Cu(II) to form dimer.
https://doi.org/10.26850/1678-4618eqj.v31.2.2006.p17-24
PDF

References

S. C. Mojumdar, D. Hudecova, and M. Malnik, Pol. J.

Chem. 73 (1999) 759

M. McCann, J. F. Cronin, and M. Devereux, Polyhedron

(1995) 2379

D. Czakis-Sulikowska, and A. Czylkowska, J. Therm.

Anal. Cal. 76 (2004) 543

M. G. Abd El Wahed, E. M. Nour, S. Teleb, and S. Fahim,

J. Therm. Anal. Cal. 76 (2004) 343

H. Icbudak, Z. Heren, D. Ali Kase, and H. Necefoglu, J.

Therm. Anal. Cal. 76 (2004) 837

H. Olmez, F. Arslan, and H. Icbudak, J. Therm. Anal. Cal.

(2004) 793

M. Sekerci, and Y. Yakuphanoglu, J. Therm. Anal. Cal. 75

(2004) 189

W. Ferenc, and B. Bocian, J. Therm. Anal. Cal. 60 (2000)

W. Ferenc, and A. Walków-Dziewulska, J. Them. Anal.

Cal. 61 (2000) 923

B. Bocian, B. Czajka, and W. Ferenc, J. Them. Anal. Cal.

(2001) 729

W. Ferenc, A. Walków-Dziewulska, J. Them. Anal. Cal.

(2002) 949

W. Ferenc, A. Walków-Dziewulska, J. Them. Anal. Cal.

(2003) 375

W. Ferenc, A. Walków-Dziewulska, J. Them. Anal. Cal.

(2003) 511

W. Ferenc, A. Walków-Dziewulska, and B. Bocian, J.

Them. Anal. Cal. 79 (2005) 149

W. Ferenc, A. Walków-Dziewulska, and P. Sadowski, J.

Them. Anal. Cal. 82 (2005) 365

Gmelin Handbook of Inorganic Chemistry, Springer

Verlag, Berlin, 1984 p.105

S. L. Erre, G. Micera, F. Cariati, G. Ciani, A Sironi, H.

Koz?owski, and J. Baranowski, J. Chem. Soc., Dalton Trans.

(1988) 363

S. L. Erre, G. Micera, and F. Cariati, Polyhedron 6

(1987) 1869

Beilsteins Handbuch der organischen Chemie, Bd. X.,

Verlag von Julius Springer, Berlin, 1927

L. D. Pethe, and B. D. Mali, Indian J. Chem. Vol. 16A

(1978) 364

B. N. Figgs, and R. S. Nyholm, J. Chem. Soc. (1958)

E. König, Magnetic Properties of Coordination and

Organometallic Transition Metal Compounds, Springer

Verlag, Berlin, 1966

A. Bartecki, Electronic spectra of complex compounds,

Scientific and Technical Publishers, Warsaw, 1 st edn., 1987

L. E. Orgel, An Introduction to Transition-Metal

Chemistry. Ligand-Field Theory, John Wiley and Sons, New

York, 1 st edn., 1960

L. J. Bellamy, The Infrared Spectra of Complex

Molecules, Chapman & Hall Ltd., London, 1975

K. Nakamoto, Infrared and Raman Spectra of Inorganic

and Coordination Compounds, John Wiley and Sons, Toronto,

th edn., 1997, part B, chap. 3

A. Cross, and A. R. Jones, An Introduction to Practical

Infrared Spectroscopy, Butterworths, London, 3 rd edn., 1969

R. C. Mehrotra, and R. Bohra, Metal Carboxylates,

Academic Press, London, 1983

B. S. Manhas, and A. K. Trikha, J. Indian. Chem. Soc.

(1982) 315

E. ??giewka, and Z. Bojarski, X-ray Structural Analysis,

Polish Scientific Publisher, Warsaw,1 st edn., 1988

A. V. Nikolaev, V. A. Logvinienko, and L. J. Myachina,

Thermal Analysis, Vol. 2, Academic Press, New York, 1989

B. Singh, B. V. Agarwala, P. L. Mourya, and A. K. Dey,

J. Indian Chem. Soc. 59 (1992) 1130

F. Paulik, Special Trends in Thermal Analysis, Wiley,

Chichester 1995

K. Burger, Coordination Chemistry: Experimental

Methods, Akadèmiai Kiadó, Budapest, 1973.

J. Mrozi ski, M. Janik, and T. Nowakowski, Scientific

Numbers of Silesian Technical University, 119 (1988), 125

A. Earnshaw, Introduction to Magnetochemistry,

Academic Press, London, 1956

C. O’Connor, Progress in Inorganic Chemistry, Wiley,

New York, 1982

F. A. Kettle, Inorganic Physical Chemistry, Polish

Scientific Publisher, Warsaw, 1999

J. Mrozi ski, Materials Science, Vol. XIV (1988) 3.

Creative Commons License

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

Copyright (c) 2018 Eclética Química Journal

Metrics

PDF views
74
Jul 2006Jan 2007Jul 2007Jan 2008Jul 2008Jan 2009Jul 2009Jan 2010Jul 2010Jan 2011Jul 2011Jan 2012Jul 2012Jan 2013Jul 2013Jan 2014Jul 2014Jan 2015Jul 2015Jan 2016Jul 2016Jan 2017Jul 2017Jan 2018Jul 2018Jan 2019Jul 2019Jan 2020Jul 2020Jan 2021Jul 2021Jan 2022Jul 2022Jan 2023Jul 2023Jan 2024Jul 2024Jan 2025Jul 2025Jan 20264.0
|