1-(5-Carboxypentyl)-2,3,3-trimethyl-3 H -indol-1-ium bromide monohydrate
Journal Article
·
· Acta Crystallographica. Section E
- Morgan State Univ., Baltimore, MD (United States). Dept. of Chemistry; DOE/OSTI
- Morgan State Univ., Baltimore, MD (United States). Dept. of Chemistry
- Keene State College, Keene, NH (United States). Dept. of Chemistry
- Howard Univ., Washington, DC (United States). Dept. of Chemistry
In the title compound, C17H24NO2 + BrH2O, the pentyl group chain in the cation extends nearly perpendicular [N— C—C—C = 64.4 (3)°] to the mean plane of the indole ring with the carboxyl end group twisted such that the dihedral angle between the mean planes of the indole and carboxy groups measures 43.2 (4)°. Both ions in the salt form intermolecular hydrogen bonds (O—HBr and O—HO) with the water molecule. As a result of the BrH—O— HBr interactions, a zigzag chain is formed in the c-axis direction. The crystal packing is influenced by the collective action of the O—HO and O—HBr intermolecular interactions as well as – stacking intermolecular interactions between adjacent benzyl rings of the indole group [centroid–centroid distance = 3.721 (13) Å ] and intermolecular C—H interactions between a methyl hydrogen and the benzyl ring of the indole group. The O—HBr interactions form a distorted tetrahedral array about the central Br atom. A MOPAC AM1 calculation provides support to these observations.
- Research Organization:
- Morgan State Univ., Baltimore, MD (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division
- Grant/Contract Number:
- FG02-03ER63580
- OSTI ID:
- 1625737
- Journal Information:
- Acta Crystallographica. Section E, Journal Name: Acta Crystallographica. Section E Journal Issue: 1 Vol. 66; ISSN 1600-5368; ISSN ACSEBH
- Publisher:
- International Union of CrystallographyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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