Journal Article

PUBDB-2025-00917

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Synthesis and structure of tris(2-methyl-1H-imidazol-3-ium) dihydrogenetrimesate- monohidrogenetrimesate2-

Asprilla Herrera, L. M.Extern*DESY* ; Techert, S.XFEL.EU*DESY* ; Velazquez Garcia, J. (Corresponding author)Extern*XFEL.EU*DESY*

2025
International Union of Crystallography Chester

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Please use a persistent id in citations: doi:10.1107/S2056989025002063  doi:10.3204/PUBDB-2025-00917

Abstract: The structure of the title salt, 3(C$_4$H$_7$N$_2$$^+$)·(C$_9$H$_5$O$_6$$^-$)·( C$_9$H$_4$O$_6$$^{2-}$), referred to as compound 1, is reported. This compound consists of three 2-methyl-imidazolium cations and both a single and a doubly deprotonated form of trimesic acid as anions. A detailed analysis of the bond lengths and angles reveals both differences and similarities between compound 1 and the previously reported 2-methyl-1H-imidazol-3-ium 3,5-dicarboxybenzoate structure, as well as the neutral counterpart of the ions. Examination of the crystal packing shows the formation of infinite chains by the anions, which, along with the cations, forms zigzag planes parallel to the ab plane. The packing interactions are primarily driven by $π – π$ interactions and hydrogen bonding between anions.

Note: ISSN 2056-9890 not unique: **2 hits**.

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Contributing Institute(s):

1. Strukturdynamik Chemischer Systeme (FS-SCS)

Research Program(s):

1. 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) (POF4-632)
2. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
3. HIDSS-0002 - DASHH: Data Science in Hamburg - Helmholtz Graduate School for the Structure of Matter (2019_IVF-HIDSS-0002) (2019_IVF-HIDSS-0002)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2025

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Database coverage:
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