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Acta Crystallogr Sect E Struct Rep Online. 2012 May 1;68(Pt 5):o1416. doi: 10.1107/S160053681201598X. Epub 2012 Apr 18.

(R)-(3-Carb-oxy-2-hy-droxy-prop-yl)tri-methyl-aza-nium chloride.

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  • 1Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia , and Chemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80203 Jeddah, Saudi Arabia.


In the title salt (common name l-carnitine hydro-chloride), C(7)H(16)NO(3) (+)·Cl(-), the organic cation features a carb-oxy-lic part (-CO(2)H) having unambigous single- and double-bonds [1.336 (2), 1.211 (2) Å]. There is a large N-C-C bond angle [115.9 (1)°] for the C atom connected to the bulky trimethyl-amino substituent. In the crystal, the acid H atom forms a hydrogen bond to the chloride anion, whereas the hydroxyl H atom forms a longer hydrogen bond to the anion, generating a helical chain running along [001].

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