Exchange Interactions at the Supramolecular Level − Synthesis, Crystal Structure, Magnetic Properties, and EPR Spectra of [Mn(MAC)(TCNQ)2] (MAC = Pentaaza Macrocyclic Ligand; TCNQ· = Radical Anion of 7,7,8,8-Tetracyano-p-quinodimethane)

2003 ◽  
Vol 2003 (10) ◽  
pp. 1995-1999 ◽  
Author(s):  
Augustin M. Madalan ◽  
Violeta Voronkova ◽  
Ravil Galeev ◽  
Ludmila Korobchenko ◽  
Jörg Magull ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Magnetic Properties ◽  
Radical Anion ◽  
Macrocyclic Ligand ◽  
Exchange Interactions ◽  
Epr Spectra

Synthesis, Characterization, Crystal Structure and Magnetic Properties of [(en)CuII(ImH)2](ClO4)2 (en = Ethylenediamine, ImH = Imidazole): A Metalloligand as a Building Block for Heterometal Chains

2003 ◽  
Vol 58 (6) ◽  
pp. 505-510 ◽  
Author(s):  
Thorsten Glaser ◽  
Maik Heidemeier ◽  
F. Ekkehardt Hahn ◽  
Tania Pape ◽  
Thomas Lügger
Keyword(s):  
Crystal Structure ◽  
Magnetic Properties ◽  
Building Block ◽  
Exchange Interactions ◽  
High Yield ◽  
Magnetic Data ◽  
X Ray ◽  
X Ray Crystallography ◽  
Structural And Electronic Properties ◽  
Dark Blue

The reaction of Cu(ClO4)2·6H2O, imidazole (ImH), and ethylenediamine (en) in a 1 : 2 : 1 ratio afforded in high yield dark-blue single-crystals of [(en)CuII(ImH)2](ClO4)2, 1, which can be used after deprotonation as a building block for heterometallic ferrimagnetic chains. The structural and electronic properties of 1 were examined by X-ray crystallography, FTIR, ESI-MS, electrochemistry, UV/vis/NIR, EPR, and magnetic susceptibility measurements. The structure of 1 exhibits intermolecular π-π interactions and hydrogen bonds but the magnetic data exclude the presence of intermolecular exchange interactions.

A novel cyano-bridged pentanuclear complex: [{Mn3(MAC)3(H2O)2}{Fe(CN)6}2]·6H2O·2CH3OH—synthesis, crystal structure and magnetic properties (MAC=pentaaza macrocyclic ligand)

Polyhedron ◽  
2003 ◽  
Vol 22 (10) ◽  
pp. 1315-1320 ◽  
Author(s):  
Stefania Tanase ◽  
Marius Andruh ◽  
Nicolae Stanica ◽  
Corine Mathonière ◽  
Guillaume Rombaut ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Magnetic Properties ◽  
Macrocyclic Ligand ◽  
Pentanuclear Complex
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