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N-[(9E)-2-Chloro-9-thia-9H-xanthen-9-yl­idene]-N-(4-fluoro­phenyl)­amine

✍ Scribed by Chopra, Deepak ;Nagarajan, K. ;Guru Row, T. N.


Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
302 KB
Volume
60
Category
Article
ISSN
1600-5368

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In the title compound, C 19 H 12 FNO, the dihedral angle between the mean planes of the 9H-xanthene moiety and the 3-¯uorophenyl group is 82.5 ( 1) . An intramolecular CÐ HÁ Á Á% interaction stabilizes the molecular conformation.

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Single-crystal X-ray study T = 100 K Mean '(C±C) = 0.002 A Ê R factor = 0.042 wR factor = 0.115 Data-to-parameter ratio = 17.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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In the title compound, C 23 H 28 N 2 O 2 , the pyran ring in the xanthene moiety adopts a half-chair conformation. The molecular structure is in¯uenced by intramolecular NÐ HÁ Á ÁN and CÐHÁ Á ÁO hydrogen bonds and the crystal structure is stabilized by CÐHÁ Á ÁO and CÐHÁ Á Á% interactions.

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Single-crystal X-ray study T = 100 K Mean '(C±C) = 0.002 A Ê R factor = 0.054 wR factor = 0.147 Data-to-parameter ratio = 18.5 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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A view of (I) (Farrugia, 1997). Displacement ellipsoids are drawn at the 50% probability level. H atoms have been omitted for clarity and the numbering scheme is given for the asymmetric unit.