Two exodentate conformations, spectroscopic properties, and Hirshfeld surface analysis of new macrocyclic compounds with tetrabromide and tetraperchlorate

The crystal structure of the new double CuII complex salt, [Cu(L)(H2O)2][Cu(L)]Br4·2H2O (L = 3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.07,12]docosane, C22H44N4) has been determined using synchrotron radiation. The asymmetric unit contains one half of a [Cu(L)(H2O)2]2+ cation, one half of a [Cu(L)]2+ cation (both completed by crystallographic inversion symmetry), two bromide anions and one water solvent molecule. The CuII atom in the first complex exists in a tetragonally distorted octahedral environment with the four N atoms of the macrocyclic ligand in equatorial and two aqua ligands in axial positions, whereas the CuII atom in the second complex exists in a square-planar environment defined by the four nitrogen atoms of the macrocyclic ligand. The two macrocyclic rings adopt the most stable trans-III configuration with normal Cu—N bond lengths from 2.016 (3) to 2.055 (3) Å and an axial Cu—O bond length of 2.658 (4) Å. The crystal structure is stabilized by intermolecular hydrogen bonds involving the macrocycle N—H or C—H groups and the O—H groups of water molecules as donor groups, and the O atoms of water molecules and bromide anions as acceptor groups, giving rise to a one-dimensional network extending parallel to [100].

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Crystal structure of diaqua(3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) (3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) tetrabromide dihydrate, [Cu(C₂₂H₄₄N₄)(H₂O)₂][Cu(C₂₂H₄₄N₄)]Br₄·2H₂O

Moon

Jeon

Lim

et al. 2021

Acta Cryst E

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Two exodentate conformations, spectroscopic properties, and Hirshfeld surface analysis of new macrocyclic compounds with tetrabromide and tetraperchlorate

Cited by 1 publication

References 39 publications

Crystal structure of diaqua(3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) (3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) tetrabromide dihydrate, [Cu(C₂₂H₄₄N₄)(H₂O)₂][Cu(C₂₂H₄₄N₄)]Br₄·2H₂O

Crystal structure of diaqua(3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) (3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) tetrabromide dihydrate, [Cu(C₂₂H₄₄N₄)(H₂O)₂][Cu(C₂₂H₄₄N₄)]Br₄·2H₂O

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Two exodentate conformations, spectroscopic properties, and Hirshfeld surface analysis of new macrocyclic compounds with tetrabromide and tetraperchlorate

Cited by 1 publication

References 39 publications

Crystal structure of diaqua(3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.07,12]docosane)copper(II) (3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.07,12]docosane)copper(II) tetrabromide dihydrate, [Cu(C22H44N4)(H2O)2][Cu(C22H44N4)]Br4·2H2O

Crystal structure of diaqua(3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.07,12]docosane)copper(II) (3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.07,12]docosane)copper(II) tetrabromide dihydrate, [Cu(C22H44N4)(H2O)2][Cu(C22H44N4)]Br4·2H2O

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Crystal structure of diaqua(3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) (3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) tetrabromide dihydrate, [Cu(C₂₂H₄₄N₄)(H₂O)₂][Cu(C₂₂H₄₄N₄)]Br₄·2H₂O

Crystal structure of diaqua(3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) (3,14-diethyl-2,6,13,17-tetraazatricyclo[16.4.0.0^7,12]docosane)copper(II) tetrabromide dihydrate, [Cu(C₂₂H₄₄N₄)(H₂O)₂][Cu(C₂₂H₄₄N₄)]Br₄·2H₂O