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( S )-Alanine–( S )-2-phenoxypropionic acid (1/1)
In the title co-crystal, C 3 H 7 NO 2 ·C 9 H 10 O 3 , the ( S )-alanine molecule exists in the zwitterionic form stabilized by two pairs of N + —H...O − hydrogen bonds and an electrostatic interaction between the ammonium center and the carboxylate anion, forming a sheet along the ab plane. The carb...
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| Published in: | Acta crystallographica. Section E, Structure reports online Structure reports online, 2012-06, Vol.68 (6), p.o1720-o1720 |
|---|---|
| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Citations: | Items that cite this one |
| Online Access: | Get full text |
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| Summary: | In the title co-crystal, C
3
H
7
NO
2
·C
9
H
10
O
3
, the (
S
)-alanine molecule exists in the zwitterionic form stabilized by two pairs of N
+
—H...O
−
hydrogen bonds and an electrostatic interaction between the ammonium center and the carboxylate anion, forming a sheet along the
ab
plane. The carboxyl group of the (
S
)-2-phenoxypropionic acid molecule is connected to the top and bottom of the sheet
via
N
+
—H...O=C and O—H...O
−
[
R
2
2
(7) graph set] hydrogen bonds, giving an (
S
,
S
)-homochiral layer, in which both methyl groups of (
S
)-alanine and the phenyl rings of (
S
)-2-phenoxypropionic acid are oriented in the same direction along the
b
axis. |
|---|---|
| ISSN: | 1600-5368 1600-5368 |
| DOI: | 10.1107/S1600536812020727 |