Magnetic, thermal and spectral characterization of 2,4- dimethoxybenzoates of Mn(II), Co(II) andCu(II)

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Autore principale: K. Czapla
Natura: Artículo científico
Lingua:en
Pubblicazione: Universidade Estadual Paulista Júlio de Mesquita Filho 2007
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author K. Czapla
author_facet K. Czapla
contents Magnetic, thermal and spectral characterization of 2,4- dimethoxybenzoates of Mn(II), Co(II) andCu(II) K. Czapla J. Sarzy W. Ferenc Química Cu(II) IR spectra thermal stability dimethoxybenzoates Co(II) and Nd(III) 2,4 - Dimethoxybenzoates of Mn(II), Co(II) and Cu(II) have been synthesizedas hydrated or anyhydrous polycrystalline solids and characterized by elemental analysis,IR spectroscopy, magnetic studies and X-ray diffraction measurements. They possessthe following colours: Mn(II) – white, Co(II) – pink and Cu(II) – blue. The carboxylategroups bind as monodentate, or a symmetrical bidentate bridging ligands and tridentate.The thermal stabilities were determined in air at 293-1173K. When heated the hydratedcomplexes dehydrate to from anhydous salts which are decomposed to the oxides ofrespective metals. The magnetic susceptibilites of the 2,4-dimethoxybenzoates weremeasured over the range 76-303 K and their magnetic moments were calculated. Theresults reveal the complexes of Mn(II), Co(II) to be high-spin complexes and that ofCu(II) to form dimer. 2007 artículo científico 0100-4670 https://www.redalyc.org/articulo.oa?id=42932301 en http://www.redalyc.org/revista.oa?id=429 Eclética Química application/pdf Universidade Estadual Paulista Júlio de Mesquita Filho Eclética Química (Brasil) Num.3 Vol.32
format Artículo científico
id redalyc_42932301
institution Redalyc
language en
publishDate 2007
publisher Universidade Estadual Paulista Júlio de Mesquita Filho
spellingShingle Magnetic, thermal and spectral characterization of 2,4- dimethoxybenzoates of Mn(II), Co(II) andCu(II)
K. Czapla
Química
Cu(II)
IR spectra
thermal stability
dimethoxybenzoates
Co(II) and Nd(III)
Magnetic, thermal and spectral characterization of 2,4- dimethoxybenzoates of Mn(II), Co(II) andCu(II) K. Czapla J. Sarzy W. Ferenc Química Cu(II) IR spectra thermal stability dimethoxybenzoates Co(II) and Nd(III) 2,4 - Dimethoxybenzoates of Mn(II), Co(II) and Cu(II) have been synthesizedas hydrated or anyhydrous polycrystalline solids and characterized by elemental analysis,IR spectroscopy, magnetic studies and X-ray diffraction measurements. They possessthe following colours: Mn(II) – white, Co(II) – pink and Cu(II) – blue. The carboxylategroups bind as monodentate, or a symmetrical bidentate bridging ligands and tridentate.The thermal stabilities were determined in air at 293-1173K. When heated the hydratedcomplexes dehydrate to from anhydous salts which are decomposed to the oxides ofrespective metals. The magnetic susceptibilites of the 2,4-dimethoxybenzoates weremeasured over the range 76-303 K and their magnetic moments were calculated. Theresults reveal the complexes of Mn(II), Co(II) to be high-spin complexes and that ofCu(II) to form dimer. 2007 artículo científico 0100-4670 https://www.redalyc.org/articulo.oa?id=42932301 en http://www.redalyc.org/revista.oa?id=429 Eclética Química application/pdf Universidade Estadual Paulista Júlio de Mesquita Filho Eclética Química (Brasil) Num.3 Vol.32
title Magnetic, thermal and spectral characterization of 2,4- dimethoxybenzoates of Mn(II), Co(II) andCu(II)
topic Química
Cu(II)
IR spectra
thermal stability
dimethoxybenzoates
Co(II) and Nd(III)
url https://www.redalyc.org/articulo.oa?id=42932301