| CRYSTAL STRUCTURE OF 2-METHYL-3-PHENYLACRYLOYL-QUINOXALINE 1,4-DIOXIDE |
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| 摘 要： | <正> C18H14N2O3,Mr=306. 32,Monoclinic,P21/b,a = 5. 579(1),b = 8. 963 (2),c = 29. 405(7) A,γ= 92. 62(2)°,V= 1468. 8(7) A3.Z=4, Dx= 1.385 gcm-3, CuKa radiation, μ= 7. 45 cm-1,F(000) = 640,final R= 0. 039,Rw= 0. 045 for 1006 observed (I>3σ(I)) reflections. The quinoxaline part of the molecule is virtually planar. The dihedral angle between the benzene ring of the phenylacryloyl and quinoxaline ring is 99. 6°.
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CRYSTAL STRUCTURE OF 2-METHYL-3-PHENYLACRYLOYL-QUINOXALINE 1,4-DIOXIDE |
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| Abstract: | C18H14N2O3,Mr=306. 32,Monoclinic,P21/b,a = 5. 579(1),b = 8. 963 (2),c = 29. 405(7) A,γ= 92. 62(2)°,V= 1468. 8(7) A3.Z=4, Dx= 1.385 gcm-3, CuKa radiation, μ= 7. 45 cm-1,F(000) = 640,final R= 0. 039,Rw= 0. 045 for 1006 observed (I>3σ(I)) reflections. The quinoxaline part of the molecule is virtually planar. The dihedral angle between the benzene ring of the phenylacryloyl and quinoxaline ring is 99. 6°. |
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