Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics, Computed Properties of C5H5ClN2, 19798-80-2, Name is 4-Chloropyridin-2-amine, SMILES is ClC1=CC(N)=NC=C1, belongs to pyridine-derivatives compound. In a document, author is Yan, Qing-Qing, introduce the new discover.
Four new coordination polymers with a Y-shaped tricarboxylic acid ligand: Structural diversities, luminescence sensing and magnetic properties
A new aromatic tricarboxylic acid with pyridine core, 4,4′-(4-(3-carboxyphenyl) pyridine-2,6-diyl)dibenzoic acid (H(3)cpdba), was used as a Y-shaped building block for the hydrothermal syntheses of four coordination polymers (CPs), namely [M(H(2)cpdba)(2)] (M = Zn, 1; Co, 2), [Zn-4(cpdba)(2)(mu-OH)(2)(PY)(4)]center dot H2O (3), and [Co-3(cpdba)(2)(py)(6)] (4). 1-4 were fully characterized by IR, elemental analyses, TGA, PXRD, and single-crystal X-ray diffraction. Their dimensionality ranges from 2D networks (1 and 2) to 3D frameworks (3 and 4), showing the dimensional/structural diversity of 1-4 is influenced by the level of deprotonation of H(3)cpdba ligand adjusted via organic solvent types, and the type of metal nodes (Zn-II or Co-II). Interestingly, 1 and 3 can serve as multi-responsive sensing materials for detecting Fe3+, Cr2O72- and nitrobenzene (NB). Moreover, the mechanism of the selective luminescence quenching response for Cr2O72- can be mainly ascribed to the competitive adsorption of excitation wavelength energy between 1 or 3 and Cr2O72-, meanwhile, Fe3+ ions and NB molecules contact with Lewis-base sites and aromatic rings respectively of H(3)cpdba ligand in 1 or 3, leading to the luminescent quenching. Furthermore, the magnetic properties of two Co-based CPs (2 and 4) have been investigated. The present work provides a promising approach to design and construct CPs or MOFs by adjusting types of solvents and/or metal nodes. (C) 2020 Elsevier B.V. All rights reserved.
A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 19798-80-2. Computed Properties of C5H5ClN2.
Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem