METAL-ORGANIC COORDINATION POLYMERS OF LANTHANIDES(III) WITH THIENOTHIOPHENDICARBOXYLATE LIGANDS

Three novel metal-organic coordination polymers based on sulfur-containing thieno[3,2-b]thiophene-2,5-dicarboxylic ( trans -H 2 ttdc) and thieno[2,3-b]thiophene-2,5-dicarboxylic ( cis -H 2 ttdc) acids are obtained: [Ce 2 (DMF) 4 ( trans -ttdc) 3 ]·2DMF ( 1 ), [Dy 2 (DMF) 4 ( trans -ttdc) 3 ]·4DMF (...

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Bibliographic Details
Published in:Journal of structural chemistry 2021-10, Vol.62 (10), p.1599-1606
Main Authors: Yudina, Yu. A., Samsonova, A. M., Bolotov, V. A., Demakov, P. A., Samsonenko, D. G., Fedin, V. P., Dybtsev, D. N.
Format: Article
Language:English
Subjects:
Atomic
Atomic/Molecular Structure and Spectra
Chemistry
Chemistry and Materials Science
Coordination polymers
Crystal structure
Crystals
Infrared spectroscopy
Inorganic Chemistry
Lanthanides
Molecular
Optical and Plasma Physics
Physical Chemistry
Single crystals
Solid State Physics
Topology
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Summary:Three novel metal-organic coordination polymers based on sulfur-containing thieno[3,2-b]thiophene-2,5-dicarboxylic ( trans -H 2 ttdc) and thieno[2,3-b]thiophene-2,5-dicarboxylic ( cis -H 2 ttdc) acids are obtained: [Ce 2 (DMF) 4 ( trans -ttdc) 3 ]·2DMF ( 1 ), [Dy 2 (DMF) 4 ( trans -ttdc) 3 ]·4DMF ( 2 ), and [Tb 2 (DMF) 4 ( cis -ttdc) 3 ]·2.5DMF ( 3 ). Structures of the products are determined by single crystal X-ray diffraction. The compositions and nature of compounds 2 and 3 are confirmed by IR spectroscopy, elemental and thermogravimetric analyses. All three compounds are based on binuclear {Ln 2 (DMF) 4 (RCOO) 6 } units organized into 3D frameworks with primitive cubic topology pcu by linear organic linkers. The specific void volume in the structures of 1 - 3 ranges from 29% to 37%.
ISSN:0022-4766
1573-8779
DOI:10.1134/S0022476621100152