Acta Crystallographica Section B

Structural Science

Volume 61, Part 1 (February 2005)

research papers

Acta Cryst. (2005). B61, 103-114 [ doi:10.1107/S0108768104029684 ]

Supramolecular structures of 1-phenylethylammonium tartrates

D. E. Turkington, E. J. MacLean, A. J. Lough, G. Ferguson and C. Glidewell

Abstract: The structures of six 1-phenylethylammonium tartrates have been determined and in each of them a distinctive hydrogen-bonded anion substructure can be identified. (S)-1-Phenylethylammonium (R,R)-hydrogen tartrate [(I), P2₁, Z' = 1] contains anion sheets built from a single type of ring with cations pendent, via three N-HO hydrogen bonds, from just one face of the sheet. (S)-1-Phenylethylammonium rac-hydrogen tartrate [(II), P2₁, Z' = 2] and its enantiomorph (R)-1-phenylethylammonium rac-hydrogen tartrate [(III), P2₁, Z'= 2] contain anion sheets built from four types of ring, , , and , and there are cations pendent from both faces of the sheet. The anion substructure in bis[(S)-1-phenylethylammonium] (R,R)-tartrate [(IV), P2₁, Z' = 1] consists of simple C(5) chains, which are linked into sheets by the cations, while in bis(rac-1-phenylethylammonium) (R,R)-tartrate [(V), P2₁, Z' = 2] there are anion sheets containing two distinct types of ring, with equal numbers of (R) and (S) cations pendent from each face of the anion sheet. Bis[(R)-1-phenylethylammonium] rac-tartrate methanol hemisolvate [(VI), P1, Z' = 4, with 14 independent components in the asymmetric unit] contains anion sheets built from two types of ring and two types of ring; half of the cations and half of the methanol molecules are pendent from each face of the sheet.

Keywords: supramolecular structures; hydrogen bonding; graph-set analysis; tartrate salts.


	Structure factor file (CIF format) (72.3 kbytes) Contains datablock I

	Structure factor file (CIF format) (156.5 kbytes) Contains datablock inv

	Structure factor file (CIF format) (151.9 kbytes) Contains datablock dt16

	Structure factor file (CIF format) (119.6 kbytes) Contains datablock dt19

	Structure factor file (CIF format) (279.1 kbytes) Contains datablock V

	Structure factor file (CIF format) (468.2 kbytes) Contains datablock dt21

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