Crystal structure of catena-(μ₃-5-bromoisophthatato-κO,O′: O′′,O′′′′)-(1,2-bis(imidazol-1-yl)ethane-κN:N′)cobalt(II), C₁₆H₁₃CoN₄O₄Br

Abstract

CCDC no.: 1580444A part of the polmeric title crystal structure is shown in the figure. (The asymmetric unit is labelled only. ′ = x, 0.5 − y, Tables 1 and 2 contain details on crystal structure and measurement conditions and a list of the atoms including atomic coordinates and displacement parameters. Source of materialA mixture of 5-bromoisophthalic acid (BripH 2 , 24.5 mg, 0.1 mmol), Co(OAc) 2 ·2H 2 O (24 mg, 0.1 mmol), and 1,2-bis(imidazol-1-yl)ethane (bia, 16.2 mg, 0.1 mmol), were added to water (9 mL) and [BMI]Br (BMI = 1-butyl-3-methylimidazolium, 1 mL) in a 25 mL Teflon-lined autoclave. The mixture was heated at 413 K for 3 days and then slowly cooled down to room temperature. Pink block crystals of the title compound were obtained. Experimental detailsThe hydrogen atoms were placed in calculated positions and refined using a riding on attached atoms with isotropic thermal parameters 1.2 times those of their carrier atoms. The U iso values of the hydrogen atoms of methyl groups and oxygen were set to 1.5U eq (C, O).

Crystal structure of catena-poly[diaqua-bis(3-carboxy-5-methoxybenzoato-κO)-(1,2-bis(imidazol-1-yl)ethane-κ2 N:N′)cobalt(II)], C26H28CoN4O12, [Co(C9H6O5)2(H2O)2(C8H10N4)]

“…In the last two decades, the design and construction of Co(II)based metal-organic coordination complexes is of interest in the field of molecular magnetism and materials chemistry due to their potential applications as functional materials [4][5][6][7][8]. Among N-donor co-ligands, 1,2-bis(imidazol-1yl)ethane (bia), a flexible ligand, serves as bridging ligand, which can act as bidentate ligand to coordinate to two metal ions [9][10][11][12][13]. Herein, we report a Co(II) supramolecular coordination polymer with 3-carboxy-5-methoxybenzoate (H moip) and bia.…”