A one-dimensional self-assembled porous coordination polymer poly[bis(picolinato-N,O)(µ-1,2-bis(4-pyridyl)ethane-N,N′)cobalt(II)] dimethanol

Kawade, Vitthal A.; Bhat, Satish S.; Tayade, Sakharam B.; Kumbhar, Avinash S.

doi:10.1016/j.ica.2018.09.006

Cited by 5 publications

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References 27 publications

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“…The desorption curves did not trace the adsorption curves and showed hysteretic nature due to the strong interaction of CO 2 molecules with the framework on account of the strong quadrupole moment of CO 2 . The adsorption profiles were of type III with poor sorption, suggesting strong attraction of gaseous adsorbate to the pore surface, thereby preventing interaction of other molecules. − …”

Section: Results and Discussionmentioning

confidence: 99%

“…Formate compound 7 exhibited a morphology in which the particles were viewed as well-defined rectangular rods along with lozenge-shaped particles (Figure S24). − With complete characterization on structural and morphological aspects, we then diverted our attention to understanding the luminescence properties of compound 1 as the results obtained for 2 and 3 did not show any pronounced difference. It was observed that succinic acid showed an emission band at 393 nm due to the π* → n or π → π* transitions upon excitation at 350 nm.…”

Section: Results and Discussionmentioning

confidence: 99%

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Construction of Pyrazine-Appended 1D and 3D Cobalt(II) Succinate Coordination Polymers: Influence of Solvent on Architectures and Applications in Gas Adsorption and NAC Detection

D’souza

Harmalkar

et al. 2022

ACS Omega

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An underexplored reaction of pyrazine (rigid and linear) and succinic acid (flexible) with Co(NO3)2·6H2O afforded four new coordination polymers (CPs): [Co(H2O)(pyz)(suc)] (1), [Co(H2O)2(pyz)(suc)] (2), [Co(H2O)4(pyz)](suc) (3) and [Co2(H2O)2(pyz)(suc)2] (4), as well as [Co(HCO2)2(pyz)] (5) being lately reported along with well-known 6 and 7. The CPs were obtained as stable crystalline materials and characterized by conventional solid-state techniques, including X-ray crystallography. Hydrothermally produced compounds 1 and 2 were both 3D CPs. While 3 and 4 obtained under ambient/solvothermal conditions in DMSO generated 1D and 3D structures, 5 isolated from DMF under solvothermal conditions had a 3D structure. The topologies of the coordination polymers 1–7 were described by underlying nets 3D 5-c fet, 3D 4-c cds, 1D 2-c 2C1, 3D 5-c bnn, 3D 6-c rob, 1D 2-c 2C1, and 3D 6-c pcu, respectively. The plot of χM –1 versus T was essentially linear in the entire temperature range following the Curie–Weiss law with a Curie constant (C) of 2.525 and a negative Weiss constant (ϕ) of −46.24 K, suggesting weak antiferromagnetic (AF) exchange interactions. CO2 and N2 adsorption studies of 1–5 featured type III isotherms. 1 was found to show remarkably higher quenching efficiencies for nitrophenols (η = 98% for o-NP) over other NACs. The Stern–Volmer plot exhibited deviation in linearity with K sv values about 200 times greater than that for the simplest nitroaromatic compound (NB), signifying its exclusive quenching ability toward 1. The LOD for p-NP addition to 1 was found to be 0.995 ppm.

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