X-ray structure and EPR behavior of a new dimeric copper(II) complex with 4-amino-N-(5-methoxy-2-pyrimidinyl)benzenesulfonamide |
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| Authors: | J Ellena E Kremer G Facchin EJ Baran OR Nascimento AJ Costa-Filho MH Torre |
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| Institution: | 1. Laboratorio de Cristalografía, Instituto de Física de São Carlos, Universidade de São Paulo, C.P. 369, 13560 São Carlos (SP), Brazil;2. Química Inorgánica, DEC, Facultad de Química, Universidad de la República, Gral. Flores 2124, CC1157 Montevideo, Uruguay;3. Centro de Química Inorgánica (CEQUINOR/CONICET, UNLP), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 1900-La Plata, Argentina;4. Grupo de Biofísica Sérgio Mascarenhas, Instituto de Física de São Carlos, Universidade de São Paulo, C.P. 369, 13560 São Carlos (SP), Brazil |
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| Abstract: | A new complex, Cu2(sulfameter)4]3 · 2.5H2O (sulfameter = 4-amino-N-(5-methoxy-2-pyrimidinyl)benzenesulfonamide), has been synthesized. Its structure has been determined by single-crystal X-ray diffraction and its spectroscopic properties (EPR, IR, Raman, UV–Vis) have been analyzed. The structure presented three different dimeric units in the unit cell and the EPR spectra, characteristic of antiferromagnetically coupled dimers, revealed two magnetically different dimeric environments. |
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| Keywords: | Copper complexes Sulfameter Crystal structure EPR |
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