Antiferromagnetic Coupling of Stacked CuII-Salen Complexes in DNA
A pretty couple: Two copper–salen metal–base pairs were incorporated into a DNA double helix in neighboring positions (see picture). The two paramagnetic CuII ions are antiferromagnetically coupled, and the exchange coupling constant is −2J=22.4 cm−1. The dipolar coupling constant yielded a Cu⋅⋅⋅Cu...
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| Veröffentlicht in: | Angewandte Chemie (International ed.) 2010-07, Vol.49 (29), p.4927-4929 |
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| container_issue | 29 |
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| container_title | Angewandte Chemie (International ed.) |
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| creator | Clever, Guido H Reitmeier, Stephan J Carell, Thomas Schiemann, Olav |
| description | A pretty couple: Two copper–salen metal–base pairs were incorporated into a DNA double helix in neighboring positions (see picture). The two paramagnetic CuII ions are antiferromagnetically coupled, and the exchange coupling constant is −2J=22.4 cm−1. The dipolar coupling constant yielded a Cu⋅⋅⋅Cu distance of 3.7 Å, which is comparable to the base‐pair distance in natural B‐type DNA. |
| doi_str_mv | 10.1002/anie.200906359 |
| format | Article |
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The two paramagnetic CuII ions are antiferromagnetically coupled, and the exchange coupling constant is −2J=22.4 cm−1. The dipolar coupling constant yielded a Cu⋅⋅⋅Cu distance of 3.7 Å, which is comparable to the base‐pair distance in natural B‐type DNA.</description><identifier>ISSN: 1433-7851</identifier><identifier>EISSN: 1521-3773</identifier><identifier>DOI: 10.1002/anie.200906359</identifier><language>eng</language><publisher>Weinheim: Wiley-VCH Verlag</publisher><subject>copper ; DNA ; EPR spectroscopy ; N,O ligands ; nanomaterials ; O ligands</subject><ispartof>Angewandte Chemie (International ed.), 2010-07, Vol.49 (29), p.4927-4929</ispartof><rights>Copyright © 2010 WILEY‐VCH Verlag GmbH & Co. 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The two paramagnetic CuII ions are antiferromagnetically coupled, and the exchange coupling constant is −2J=22.4 cm−1. 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The two paramagnetic CuII ions are antiferromagnetically coupled, and the exchange coupling constant is −2J=22.4 cm−1. The dipolar coupling constant yielded a Cu⋅⋅⋅Cu distance of 3.7 Å, which is comparable to the base‐pair distance in natural B‐type DNA.</abstract><cop>Weinheim</cop><pub>Wiley-VCH Verlag</pub><doi>10.1002/anie.200906359</doi><tpages>3</tpages></addata></record> |
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| source | Wiley-Blackwell Journals |
| subjects | copper DNA EPR spectroscopy N,O ligands nanomaterials O ligands |
| title | Antiferromagnetic Coupling of Stacked CuII-Salen Complexes in DNA |
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