Channel-containing structures generated from linear coordination polymer chains containing -bidentate ligands and Cu–Cu dimetal units

Synthesis and Crystal Structure of a Chain Complex of Copper(II) Pivalate and 1,2-Bis(4-pyridyl)ethane in Relation to Adsorption Property for N₂

“…3). This is similar to the cases for chain complexes of copper(II) acetate, 5,6 rhodium(II) acetate, 8 molybdenum(II) acetate, 9 and molybdenum(II) benzoate 10 with bpe. An adsorption isotherm measurement was performed for N2 (Fig.…”

Supramolecular Architectures and Magnetic Behavior of Coordination Polymers from Copper(II) Carboxylates and 1,2-Bis(4-pyridyl)ethane as a Flexible Bridging Ligand

“…The copper atom in 1 is only slightly shifted from the N 2 O 2 basal plane, being displaced by 0.0525 Å toward the axially coordinated water molecule. The Cu-O and Cu-N distances in the basal plane are very similar to those found in the polymeric compounds of copper(II) with 4,4′-bipyridine41,42 or bpetha39,40 and acetato. The apical distance Cu-O1 [2.346(2) Å] is much longer than the basal Cu-O distances [Cu-O11, 1.9697(19) and Cu-O21 1.9708(18) Å].…”

“…In compound 1 , the copper atom has an almost perfect square pyramidal environment (Addison's parameter τ is 0.002); two nitrogen atoms from two mutually trans -bpetha ligands occupy the basal positions around the copper(II) along with two oxygen atoms from the monodentate acetato ligands, and one water molecule occupies the apical position (Figure a). Recently, the study of another 1D polymer formed by the same tectons [copper(II) acetate and bpetha] has been reported but in this case the classic paddle-wheel “copper acetate” core is present. , The copper atom in 1 is only slightly shifted from the N 2 O 2 basal plane, being displaced by 0.0525 Å toward the axially coordinated water molecule. The Cu−O and Cu−N distances in the basal plane are very similar to those found in the polymeric compounds of copper(II) with 4,4‘-bipyridine , or bpetha 39,40 and acetato.…”

Syntheses and crystal structures of two new nickel(II) complexes with pyrazine-2,3,5,6-tetracarboxylate

“…[24][25][26][27][28] However, cations or anions make up a chain and the chain inserts in a channel made up by counter ions have not been found in the reports. Channels occupied by guest water molecules are very common, [29][30][31][32][33] while negatively-charged channels occupied by positivelycharged chains have not been found in literature.…”