Coordination‐directed and Hydrogen‐bonded Assembly of Supramolecular Architectures Constructed from Diverse Coordination of Linear, Triangular, Tetragonal Pyramid, Trigonal Bipyramid, and Octahedral Mononuclear Units

Abstract

Reaction of a imidazole phenol ligand 4-(imidazlo-1yl)phenol (L) with 3d metal salts afforded four complexes, namely, [Ni(L) 6 ]·(NO 3 ) 2 (1), [Cu(L) 4 (H 2 O)]·(NO 3 ) 2 ·(H 2 O) 5 (2), [Zn(L) 4 (H 2 O)]·(NO 3 ) 2 ·(H 2 O) (3), and [Ag 2 (L) 4 ]·SO 4 (4). All complexes are composed of monomeric units with diverse coordination arrangements and corresponding anions. All the hydroxyl groups of monomeric cations are used as hydrogen-bond donors to form O-H···O hydrogen bonds. However, the coordination habit of different metal ions produces various supramolecular structures. The Ni II atom shows octahedral arrangement in 1, featuring a 3D twofold inclined interpenetrated network through O-H···O hydrogen bond and π-π stacking in-* Dr. L.-L. Zheng E-Mail: zsuzhengll@163.com [a] Guangzhou Vocational College of Technology and Business 511442,

Adsorption of Polar Volatile Organic Compounds by a Crystalline Network Structure Based on a Bis(benzimidazole)NiCl2 Complex

“…Furthermore, the hydrogen-bond networks can provide hydrogen-bond sites that interact weakly with volatile carbonyl compounds. The characteristics of metal-complex-based hydrogen-bond networks have been investigated for more than two decades (for selected reviews, see refs − ; for recent examples, see refs − ); nevertheless, the adsorption/desorption properties of volatile carbonyl compounds in such networks have not been explored, except in the case of acetone. − Takamizawa et al have measured the adsorption isotherm of acetone in a hydrogen-bond network derived from [Co­(ethylenediamine) 3 ]­Cl 3 . The Beatty group has investigated the desorption of co-crystallized acetone from the crystals of [M­(2,4-pyridine dicarboxylate) 2 ] 2– , where M was Cu or Zn. , Castillo and co-workers have confirmed that a [Cu 2 (μ-adenine) 4 Cl 2 ]­Cl 2 -based hydrogen-bond network can adsorb acetone .…”