Bibliographic Details
| Title: |
Crystal structure of poly[l3-acetato-diaqua-l3- sulfato-cerium(III)]: serendipitous synthesis of a layered coordination polymer exhibiting interlayer O—H ··· O hydrogen bonding. |
| Authors: |
Ruser, Niklas, Näther, Christian, Stock, Norbert |
| Source: |
Acta Crystallographica Section E: Crystallographic Communications; Feb2025, Vol. 81 Issue 2, p104-108, 9p |
| Subject Terms: |
COORDINATION polymers synthesis, X-ray powder diffraction, CRYSTALLINE polymers, DIANIONS, POLYMER structure, COORDINATION polymers |
| Abstract: |
Single crystals of the title compound, [Ce(CH3COO)(SO4)(H2O)2]n, were obtained serendipitously by the reaction of Ce(NO3)3·6H2O with 2,5-thiophenedicarboxylic acid (H2TDC) and acetic acid in a mixture of ethanol and water, where it is assumed that the sulfate ions leached from the Teflon reactor, which was treated with peroxymonosulfuric acid prior to its use. Its asymmetric unit consists of one CeIII cation, one sulfate dianion, one acetate anion and two crystallographically independent water molecules, all of them located in general positions. The cerium cations are coordinated by three acetate anions (one O,O - chelating) and three sulfate dianions that are related by symmetry as well as two independent water molecules within an irregular CeO9 coordination geometry. The CeIII cations are linked by the acetate ions into [010] chains, which are further connected into (001) layers by the sulfate dianions. Intralayer and interlayer O—H ··· O hydrogen bonds are observed. Powder X-ray diffraction shows that only traces of the title compound have formed together with a large amount of an unknown crystalline phase. Attempts to prepare the title compound in larger amounts and as a pure phase were unsuccessful. [ABSTRACT FROM AUTHOR] |
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| Database: |
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