6533b85dfe1ef96bd12bdc4a
RESEARCH PRODUCT
C3-symmetric trinuclear copper(ii) species as tectons in crystal engineering
Francesc LloretAugustin M. MadalanSimona NicaMiguel JulveMarius AndruhAdrian E. Ionsubject
Schiff baseStereochemistryCoordination polymerchemistry.chemical_elementGeneral ChemistryChromophoreCondensed Matter PhysicsCrystal engineeringCopperchemistry.chemical_compoundCrystallographychemistryIntramolecular forceAntiferromagnetismGeneral Materials ScienceDicyanamidedescription
Three new complexes have been obtained using C3-symmetric trinuclear complexes as tectons; [Cu3(felden)(NCS)3(dmf)3] (1), [Cu3(felden)(mand)3]·(C2H5)2O (2), and [Cu3(felden)(dca)3(C2H5OH)]·2H2O (3) (H3felden is the Schiff base resulting from the condensation of 2,4,6-triformylphloroglucinol with N,N-dimethylethylenediamine, mand− is the anion of the R-mandelic acid and dca− is the dicyanamide anion). Compounds 1 and 2 are discrete trinuclear species, while compound 3 is a 2D coordination polymer, constructed from trinuclear nodes and dicyanamido spacers. The variable-temperature magnetic properties of 1–3 have been investigated and they reveal the occurrence of weak antiferromagnetic interactions between the copper(II) ions (−J values ranging from 0.90 to 2.40 cm−1) whose size and trend are dependent on the intramolecular copper–copper separation and nature of the basal chromophore at each copper atom.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2013-01-01 | CrystEngComm |