Two new tetranuclear complexes of the macrocyclic oxamide [MCu<subscript>3</subscript>] (M = Cd, Mn, macrocyclic oxamide = 1,4,8,11-tetraazacyclotradecanne-2,3-dione): syntheses, spectra and magnetic properties
In: Structural Chemistry, Jg. 18 (2007-12-04), Heft 6, S. 891-898
Online
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Zugriff:
Abstract  Two new tetranuclear complexes of macrocyclic oxamide [Cd(CuL)3](NO3)2·2.5H2O 1, [Mn(CuL)3(OH)2](ClO4)2·Mn(H2O)6·4.5H2O 2 (L = 1,4,8,11-tatraazacyclotradecanne-2,3-dione) have been synthesized, structurally characterized and preliminary investigated by magnetic studies. The structures of the title complexes consist of a tetranuclear units MCu3 (M = Cd, Mn), the packing diagram shows two-dimensional and three-dimensional system through intermolecular weak interactions. The temperature-dependent magnetic susceptibilities of complex 2 were analyzed by an approximate treatment leading to J = â33 cmâ1, gCu = 2.10, gMn = 1.95 indicating antiferromagnetic exchange between Cu(II) and Mn(II) ions. [ABSTRACT FROM AUTHOR]
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Titel: |
Two new tetranuclear complexes of the macrocyclic oxamide [MCu<subscript>3</subscript>] (M = Cd, Mn, macrocyclic oxamide = 1,4,8,11-tetraazacyclotradecanne-2,3-dione): syntheses, spectra and magnetic properties
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Autor/in / Beteiligte Person: | Ouyang, Yan ; Zhang, Wei ; Ma, Yue ; Xu, Na ; Liao, Dai-Zheng ; Yoshimura, Kazuyoshi ; Yan, Shi-Ping |
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Zeitschrift: | Structural Chemistry, Jg. 18 (2007-12-04), Heft 6, S. 891-898 |
Veröffentlichung: | 2007 |
Medientyp: | academicJournal |
ISSN: | 1040-0400 (print) |
DOI: | 10.1007/s11224-007-9211-9 |
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