Magnetic Isolation of the Linear Trinuclear Anion in [Cu(Him)<sub>6</sub>] μ-Cu(Him)<sub>4</sub>[Cu(EDTA)(Him)]<sub>2</sub>·6H<sub>2</sub>O (1) as the Novel Imidazolium(+) Salt (H<sub>2</sub>im)<sub>2</sub>[Cu(Him)<sub>4</sub>(µ-EDTA)Cu(Him)<sub>2</sub>]·2H<sub>2</sub>O (2). A Comparative Look to Their Crystal Structures, Thermal, Spectral And Magmetic Properties and DFT Calculations | Publicación