Magnetic, thermal and spectroscopic features of 2, 3- and 3, 5-dimethoxybenzoates of Co(II), Ni(II) and Cu(II) | Zendy

Wiesława Ferenc | Zendy; Agnieszka Walków-Dziewulska | Zendy; Jan Sarzyński | Zendy

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Magnetic, thermal and spectroscopic features of 2, 3- and 3, 5-dimethoxybenzoates of Co(II), Ni(II) and Cu(II)

Author(s) -

Wiesława Ferenc,

Agnieszka Walków-Dziewulska,

Jan Sarzyński

Publication year - 2005

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0509089f

Subject(s) - anhydrous , thermal decomposition , ion , chemistry , magnetic moment , nitrogen , nickel , thermal , atmospheric temperature range , solid state , ligand (biochemistry) , analytical chemistry (journal) , inorganic chemistry , crystallography , thermodynamics , organic chemistry , physics , biochemistry , receptor , condensed matter physics

The 2,3- and 3,5-dimethoxybenzoates of Co(II), Ni(II) and Cu(II) were synthesized as solids and their magnetic, spectral and thermal properties studied. The complexes are hydrated or anhydrous compounds which possess colours typical of the M(II) ions. Their thermal stabilities were examined in air and nitrogen and the gaseous and solid state decomposition products were also identified. The magnetic susceptibilities of the complexes were measured over the temperature range 4.4 300 K and the magnetic moments were calculated. The results show that the 2,3- and 3,5-dimethoxybenzoates of Co(II) and Ni(II) are high-spin complexes with weak ligand fields, and that the complexes of Cu(II) form dimcrs.

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