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Transition metal complexes of 2-amino-3,5-dihalopyridines: Synthesis, structures and magnetic properties of Cu(3,5-diCAP)2X2 and Cu(3,5-diBAP)2X2 |
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| Authors: | Kelley C Shortsleeves Christopher P Landee |
| Institution: | a Carlson School of Chemistry and Biochemistry, Clark University, 950 Main Street, Worcester, MA 01610, United States b Centre for Chemical Analysis, Research and Training, Memorial University, St. John’s, NL, Canada A1B 3X5 c Department of Physics, Clark University, 950 Main Street, Worcester, MA 01610, United States |
| Abstract: | A family of bis(2-amino-3,5-dihalopyridine)dihalocopper(II) compounds has been synthesized, including (3,5-diCAP)2CuCl2 (1), (3,5-diCAP)2CuBr2 (2), (3,5-diBAP)2CuCl2 (3), and (3,5-diBAP)2CuBr2 (4) 3,5-diCAP = 2-amino-3,5-dichloropyridine; 3,5-diBAP = 2-amino-3,5-dibromopyridine]. These complexes have been analyzed through single crystal X-ray diffraction and temperature dependant magnetic susceptibility. The compounds are all isostructural, forming bi-bridged chains with long Cu-X?Cu bridges in the crystal lattice. The two copper chloride compounds (1 and 3) exhibit weak antiferromagnetic interactions along these chains. |
| Keywords: | Copper(II) complexes Substituted pyridines Magnetochemistry X-ray structures |
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