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The First Fused Dimer Metallacrown Ni<sup>II</sup><sub>2</sub>(mcpa)<sub>2</sub>(CH<sub>3</sub>OH)<sub>3</sub>(H<sub>2</sub>O)[12-MC<sub>Ni</sub><sub><sup>II</sup></sub><sub>N</sub><sub><sub>(shi)2</sub></sub><sub><sub>(pko)2</sub></sub>-4][12-MC<sub>Ni</sub><sub><sup>II</sup></sub><sub>N</sub><sub><sub>(shi)3</sub></sub><sub><sub>(pko)</sub></sub>-4]
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Citations
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References
1998
Year
Materials ScienceInorganic ChemistryMagnetismMagnetic PropertiesRing Niii IonsEngineeringCrystal StructureMagnetic MaterialsNatural SciencesCoordination ComplexMain Group ChemistryChemistryNiii IonInorganic MaterialCrystallographyInorganic SynthesisInorganic Compound
The crystal structure of NiII2(mcpa)2(CH3OH)3(H2O)[12-MCNiIIN(shi)2(pko)2-4][12-MCNiIIN(shi)3(pko)-4] metallacrown shows it to have a fused arrangement of two [12-MCM(ox)N(ligand)-4] units, the NiII(mcpa)[Ni4(shi)2(pko)2(CH3OH)2] and the NiII(mcpa)[Ni4(shi)3(pko)(CH3OH)(H2O)] with 1+ and 1− charge, respectively. Each unit has four ring NiII ions and one additional encapsulated NiII ion. Variable-temperature magnetic susceptibility measurements indicate antiferromagnetic behavior.
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