Single-crystal X-ray study T = 296 K Mean '(C±C) = 0.003 A Ê R factor = 0.034 wR factor = 0.101 Data-to-parameter ratio = 12.1 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
2-(3,4-Dimethoxyphenyl)-3-hydroxybut-2-enenitrile
✍ Scribed by Shang, Zhen-Hua ;Yu, Hai-Jun
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 742 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 12 H 13 NO 3 , adopts its enol tautomeric form and crystallizes with two molecules in the asymmetric unit, with similar conformations. In the crystal structure, molecules interact via O-HÁ Á ÁN hydrogen bonds, leading to infinite chains.
Related literature
For background literature, see: Jung et al. (2002); Kumar et al. (2005). Experimental Crystal data C 12 H 13 NO 3 M r = 219.23 Triclinic, P1 a = 8.5316 (13) A ˚b = 11.1801 (17) A c = 11.8021 (18) A = 82.777 (3) = 81.232 (2) = 85.712 (3) V = 1102.0 (3) A ˚3 Z = 4 Mo K radiation = 0.10 mm À1 T = 294 (2) K 0.26 Â 0.24 Â 0.20 mm Data collection Bruker SMART CCD area-detector diffractometer Absorption correction: multi-scan (SADABS; Bruker, 1997) T min = 0.976, T max = 0.981 6372 measured reflections 4428 independent reflections 3078 reflections with I > 2(I) R int = 0.017 Refinement R[F 2 > 2(F 2 )] = 0.046 wR(F 2 ) = 0.147 S = 1.03 4428 reflections 297 parameters H atoms treated by a mixture of independent and constrained refinement Á max = 0.43 e A ˚À3
📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 250 K Mean '(C±C) = 0.004 A Ê R factor = 0.056 wR factor = 0.156 Data-to-parameter ratio = 15.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
A new dipolarophile used in the construction of bioactive heterocycles, (Z)-3-(3,4-dimethoxyphenyl)-2-(4-methoxyphenyl)acrylonitrile, C 18 H 17 NO 3 , has been synthesized by base-catalysed reaction of 3,4-dimethoxybenzaldehyde with (4-methoxyphenyl)acetonitrile. The olefinic bond has Z geometry and
The molecule of the title compound, C 21 H 22 N 2 O 2 , is nearly planar, except for the C(CH 3 ) 2 group on the cyclohexene ring. Molecules are connected via electrostatic CÁ Á ÁO contacts, forming zigzag pseudo-chains along the c axis.
Single-crystal X-ray study T = 250 K Mean '(C±C) = 0.003 A Ê R factor = 0.044 wR factor = 0.125 Data-to-parameter ratio = 12.6 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.