( E )-4-Methoxy- N ′-[(6-methyl-4-oxo-4 H -chromen-3-yl)methylidene]benzohydrazide monohydrate
In the title hydrate, C 19 H 16 N 2 O 4 ·H 2 O, the 4 H -chromen-4-one segment is slightly twisted, with a dihedral angle between the two six-membered rings of 3.30 (5)°. The dihedral angles between the plane of the pyranone ring and the hydrazide plane and between the planes of the pyranone ring an...
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| Published in | Acta crystallographica. Section E, Structure reports online Vol. 70; no. 7; p. o784 |
|---|---|
| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
International Union of Crystallography
01.07.2014
|
| Online Access | Get full text |
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| Summary: | In the title hydrate, C
19
H
16
N
2
O
4
·H
2
O, the 4
H
-chromen-4-one segment is slightly twisted, with a dihedral angle between the two six-membered rings of 3.30 (5)°. The dihedral angles between the plane of the pyranone ring and the hydrazide plane and between the planes of the pyranone ring and the benzene ring of the
p
-methoxybenzene unit are 26.69 (4) and 2.23 (3)°, respectively. The molecule is connected to the solvent water molecule by an N—H...O hydrogen bond. In the crystal, there are π–π stacking interactions between centrosymmetrically related pyranone rings [centroid–centroid distance = 3.5394 (9) Å], as well as bridges formed by the water molecules
via
O—H...O hydrogen bonds. |
|---|---|
| ISSN: | 1600-5368 1600-5368 |
| DOI: | 10.1107/S1600536814013713 |