Recently I am researching about THERMAL-DECOMPOSITION KINETICS; ORGANIC FRAMEWORKS; CRYSTAL-STRUCTURE; BUILDING UNITS; COMPLEXES; IONS; ACID; 3D; EUROPIUM(III); TERBIUM(III), Saw an article supported by the Education Baureau of Liaoning Province [LQ2017011]; Natural Science Foundation of Liaoning ProvinceNatural Science Foundation of Liaoning Province [2019-ZD-0495]. Computed Properties of C7H4Cl2O2. Published in ELSEVIER SCIENCE SA in LAUSANNE ,Authors: Zhang, JW; Wang, CR; Liu, WH; Xu, S; Liu, BQ. The CAS is 50-84-0. Through research, I have a further understanding and discovery of 2,4-Dichlorobenzoic acid
Ln(NO3)(3)center dot nH(2)O reacted with 2,4-dichlorobenzoic acid (2,4-HDCB) and NaOH under solvothermal conditions of water and ethanol to yield four lanthanide-organic coordination polymers (CPs) [Eu(2,4-DCB)(3)(CH3CH2OH)(2)] (1) and [Ln(2,4-DCB)(3)(H2O)] [Ln = Gd (2), Tb (3), Dy (4)]. The second ligand 4,4′-bipyridine (4,4′-bpy) was introduced into the above reaction systems to provide four new lanthanide-organic CPs [Ln(2)(2,4-DCB)(6)(4,4′-bpy)(H2O)(2)] [Ln = Eu (5), Gd (6), Tb (7), Dy (8)]. Single-crystal and powder X-ray diffraction analyses reveal that CPs 1 and 2 possess similar one-dimensional (1D) structures, and CPs 2-4 and 5-8 are isostructural, respectively. In 1-4, the 2,4-DCB anions bridge the Ln(III) ions to form a 1D chain. In 5-8, six 2,4-DCB anions link two Ln(III) ions into a binuclear Ln(2)(2,4-DCB)(6) unit, and the Ln(2)(2,4-DCB)(6) units are further connected by the 4,4′-bpy co-ligands to generate a 1D chain. The photoluminescent and magnetic properties of 1-8 were investigated.
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Reference:
Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics