Synthesis, structure and magnetocaloric properties of a new two-dimensional gadolinium(III) coordination polymer based on azo­benzene-2,2′,3,3′-tetra­carb­oxy­lic acid

Wei, W.-W.; Lu, L.-P.; Feng, S.-S.; Zhu, M.-L.; Englert, U.

doi:10.1107/S2053229621008871

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
(a) Distances between adjacent Gd³⁺ ions in the 1D metal chain constructed by Gd³⁺ ions and the carboxylate groups of the Habtc³⁻ ligands (H atoms have been omitted for clarity). (b) The 2D layer of (I)

. The inset is the local coordination geometry of the Gd³⁺ ion of (I)

. [Symmetry code: (i) −x, y, −z + $[{1\over 2}]$ .] (c) The 3D framework formed by hydrogen bonds in (I)

(different colours represent different layers and H4A atoms are shown in red). (d) The 2D topology of (I)

with point symbol (4⁴·6²).

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 77| Part 10| October 2021| Pages 591-598

https://doi.org/10.1107/S2053229621008871

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