The title compound (C 12 H 10 N 2O 3, M r =230.22) is monoclinic, space group P2 1/c with unit cell of a=7.234 (1), b=8.999 (1), c=16.907(2) ; β=102.47°, V=1099.6(2) 3, Z=4, D c= 1.391g/...The title compound (C 12 H 10 N 2O 3, M r =230.22) is monoclinic, space group P2 1/c with unit cell of a=7.234 (1), b=8.999 (1), c=16.907(2) ; β=102.47°, V=1099.6(2) 3, Z=4, D c= 1.391g/cm 3; λ (Mo Kα )=0.71073 , μ =0.102mm -1 , F (000)=480, final R=0.0322, wR= 0.0770 for 1937 observed reflections [ I>2σ(I) ]. Structure analyses reveal that the two benzene rings are almost perpendicular and the bond angle between the two benzene rings is 118.44°.展开更多
文摘The title compound (C 12 H 10 N 2O 3, M r =230.22) is monoclinic, space group P2 1/c with unit cell of a=7.234 (1), b=8.999 (1), c=16.907(2) ; β=102.47°, V=1099.6(2) 3, Z=4, D c= 1.391g/cm 3; λ (Mo Kα )=0.71073 , μ =0.102mm -1 , F (000)=480, final R=0.0322, wR= 0.0770 for 1937 observed reflections [ I>2σ(I) ]. Structure analyses reveal that the two benzene rings are almost perpendicular and the bond angle between the two benzene rings is 118.44°.