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dl-Alaninium iodide.

Lamberts K, Englert U - Acta Crystallogr Sect E Struct Rep Online (2012)

Bottom Line: The iodide counter-anions act as hydrogen-bond acceptors towards H atoms of the ammonium and carb-oxy groups, and cross-link the chains along [100].Thus, an overall two-dimensional network is formed in the ab plane.No short contacts occur between iodide anions.

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Affiliation: Institut für Anorganische Chemie, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany.

ABSTRACT
The crystal structure of dl-alanine hydro-iodide (1-carb-oxy-ethanaminium iodide), C(3)H(8)NO(2) (+)·I(-), is that of an organic salt consisting of N-protonated cations and iodide anions. The compound features homochiral helices of N-H⋯O hydrogen-bonded cations in the [010] direction; neighbouring chains are related by crystallographic inversion centers and hence show opposite chirality. The iodide counter-anions act as hydrogen-bond acceptors towards H atoms of the ammonium and carb-oxy groups, and cross-link the chains along [100]. Thus, an overall two-dimensional network is formed in the ab plane. No short contacts occur between iodide anions.

No MeSH data available.


: Representation of the C-face, showing a top view of the two-dimensional layer built by hydrogen bonds (Spek, 2009).
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Fap2: : Representation of the C-face, showing a top view of the two-dimensional layer built by hydrogen bonds (Spek, 2009).


dl-Alaninium iodide.

Lamberts K, Englert U - Acta Crystallogr Sect E Struct Rep Online (2012)

: Representation of the C-face, showing a top view of the two-dimensional layer built by hydrogen bonds (Spek, 2009).
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3379415&req=5

Fap2: : Representation of the C-face, showing a top view of the two-dimensional layer built by hydrogen bonds (Spek, 2009).
Bottom Line: The iodide counter-anions act as hydrogen-bond acceptors towards H atoms of the ammonium and carb-oxy groups, and cross-link the chains along [100].Thus, an overall two-dimensional network is formed in the ab plane.No short contacts occur between iodide anions.

View Article: PubMed Central - HTML - PubMed

Affiliation: Institut für Anorganische Chemie, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany.

ABSTRACT
The crystal structure of dl-alanine hydro-iodide (1-carb-oxy-ethanaminium iodide), C(3)H(8)NO(2) (+)·I(-), is that of an organic salt consisting of N-protonated cations and iodide anions. The compound features homochiral helices of N-H⋯O hydrogen-bonded cations in the [010] direction; neighbouring chains are related by crystallographic inversion centers and hence show opposite chirality. The iodide counter-anions act as hydrogen-bond acceptors towards H atoms of the ammonium and carb-oxy groups, and cross-link the chains along [100]. Thus, an overall two-dimensional network is formed in the ab plane. No short contacts occur between iodide anions.

No MeSH data available.