Abstract
A two-dimensional (2D) coordination polymer, formulated as [Y4(μ3-OH)4(hma)(cba)5] n •n(Hcba) (1), is synthesized by the synergistic coordination of hemimellitate (H3hma) and 4-chlorobenzoate (Hcba) ligands with Y2O3 under hydrothermal conditions. It has been characterized by single-crystal X-ray diffraction, powder XRD, thermogravimetric analysis, elemental analysis and infrared spectroscopy. Single-crystal X-ray diffraction reveals that it crystallizes in the triclinic crystal system, P \(\overline 1 \) space group. Unit cell parameters: a = 11.0280(6) Å, b = 14.5791(10) Å, c = 18.9515(12) Å, α = 72.233(6)°, β = 82.641(5)°, γ = 70.933(5)°, V = 2741.1(3) Å3, Z = 2. The asymmetric unit contains a [Y4(μ3-OH)4]8+ core which is extended into an infinite {[Y4(μ3-OH)4]8+} n chain along the direction of a axis. Every {[Y4(μ3-OH)4]8+} n chain is further connected to two neighboring chains by hma3– ligands along the direction of b axis, forming a 2D yttrium-organic layer in the ab plane. Adjacent layers are further packed with each other via hydrophobic interactions to form a three-dimensional (3D) structure.
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Original Russian Text © 2015 X. Li.
The text was submitted by the authors in English. Zhurnal Strukturnoi Khimii, Vol. 56, No. 8, pp. 1642-1647, December, 2015.
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Li, X. A two-dimensional yttrium-organic coordination polymer containing infinite {[Y4(μ3-OH)4]8+} n chain. J Struct Chem 56, 1581–1585 (2015). https://doi.org/10.1134/S0022476615080193
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DOI: https://doi.org/10.1134/S0022476615080193