Abstract
The crystal and molecular structure of 3-phenylisoxazolin-4,5-dione-4-[3′-phenyl-(2′H)Δ3′-isoxazolin-5′-on-4′-yl]hydrazone, C18H12N4O4, has been determined from X-ray diffractometer data and refined by least-squares methods toR=0.047 for 1413 observed reflections. Crystals of C18H12N4O4 are monoclinic:a=13.76(1),b=11.11(1),c=14.10(1) Å, β=90.5(1) °,Z=8, space groupC2/c.
Among 11 possible tautomeric structures, this compound exhibits a hydrazono structure with intermolecular hydrogen bonds. The phenyl rings make angles of 9.03 ° and 35.12 ° with the planes of the isoxazole rings. Bond distances and angles have reasonable values, and extensive conjugation is evident within the molecule. Close molecular packing is given by layers of molecules approximately parallel to the (001) plane, and in each layer rows of molecules joined by hydrogen bonds run parallel to (¯110).
Similar content being viewed by others
References
Bednowitz, A. L., Fankuchen, I., Okaya, Y., and Milton Soffer, D. (1966)Acta Cryst. 20, 100.
Bovio, B. and Locchi, S. (1972)J. Cryst. Mol. Struct. 2, 89.
Cannas, M., Biagini, S., and Marongiu, G. (1969)Acta Cryst. B25, 1050.
Croci, M., Frigerio, A., Gremmo, E., and Vita-Finzi, P. (1973a)Gazz. Chim. Ital. 103, 179.
Croci, M., Fronza, G., and Vita-Finzi, P. (1973b)Gazz. Chim. Ital. 103, 1045.
Fanfani, L., Nunzi, A., Zanazzi, P. F., and Zanzari, A. R. (1972)Acta Cryst. B28, 2598.
Germain, G., Main, P., and Woolfson, M. M. (1970)Acta Cryst. B26, 274.
Hamilton, W. C. and Placa, S. J. (1968)Acta Cryst. B24, 1147.
International Tables for X-Ray Crystallography (1962) Vol. III (Kynoch Press, Birmingham, England).
Kitaigorodskii, H. I. (1961)Organic Chemical Crystallography (Consultants Bureau, New York).
Meunier-Piret, J., Piret, P., Germain, G., Putzeys, J. P., and Van Meerssche, M. (1972)Acta Cryst. B28, 1308.
Sabelli, C. and Zanazzi, P. F. (1969a)Acta Cryst. B25, 182.
Sabelli, C. and Zanazzi, P. F. (1969b)Acta Cryst. B25, 192.
Schomaker, V. and Trueblood, K. N. (1968)Acta Cryst. B24, 63.
Stewart, R. F., Davidson, F. R., and Simpson, W. T. (1965)J. Chem. Phys. 42, 3175.
Wilson, A. J. C. (1942)Nature,150, 152.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Bovio, B., Locchi, S. Crystal and molecular structure of 3-phenylisoxazolin-4,5-dione-4-[3′-phenyl-(2′H)Δ3′-isoxazolin-5′-on-4′-yl]hydrazone. Journal of Crystal and Molecular Structure 8, 149–160 (1978). https://doi.org/10.1007/BF01297659
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01297659