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Structure and properties of the 1:2 complex of 1,4-dicarboxymethyl-1,4-dimethylpiperazinium inner salt (di-betaine) with p-hydroxybenzoic acid studied by X-ray, DFT, FTIR and NMR methods

✍ Scribed by Z. Dega-Szafran; A. Katrusiak; M. Szafran


Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
494 KB
Volume
797
Category
Article
ISSN
0022-2860

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Crystal and molecular structure of the q
✍ Z. Dega-Szafran; A. Katrusiak; M. Szafran πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 952 KB

Quinuclidine betaine (1-carboxymethyl-1-azabicyclo[2.2.2]octane inner salt, QNB) forms a complex with p-hydroxybenzoic acid (HBA) at the 1:1 ratio. The crystals are triclinic, space group P 1, with two symmetry non-equivalent QNBÁHBA complexes linked by a sequence of four O-HÁÁÁO hydrogen bonds into