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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of (E)-1-([1,1′-biphen­yl]-4-yl)-3-(3-nitro­phen­yl)prop-2-en-1-one
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Crystal structure of (E)-1-([1,1′-biphen­yl]-4-yl)-3-(3-nitro­phen­yl)prop-2-en-1-one

机译:(E)-1-([[1,1'-联苯] -4-基)-3-(3-硝基苯基)丙-2-烯-1-酮的晶体结构

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摘要

In the title compound, C21H15NO3, the mol­ecule has an E conformation about the C=C bond, and the C—C=C—C torsion angle is −178.24 (18)°. In the mol­ecule, the planes of the terminal rings are twisted by an angle of 42.19 (10)°, while the biphenyl part is not planar, with a dihedral angle between the rings of 39.2 (1)°. The dihedral angle between the nitro­phenyl ring and the inner benzene ring is 5.56 (9)°. The 3-nitro group is approximately coplanar with the benzene ring to which it is attached [O—N—C—C = 0.1 (3)°]. In the crystal, mol­ecules are linked via C—H⋯π inter­actions, involving the terminal benzene rings, forming corrugated layers parallel to (100).
机译:在标题化合物C21H15NO3中,该分子具有关于C = C键的E构象,并且CC = CC的扭转角为-178.24(18)°。在分子中,末端环的平面以42.19(10)°的角度扭曲,而联苯部分不是平面,环之间的二面角为39.2(1)°。硝基苯环与内苯环之间的二面角为5.56(9)°。 3-硝基基团与其连接的苯环大致共面[OCC = 0.1(3)°]。在晶体中,分子通过CHπ相互作用连接,涉及末端苯环,形成平行于(100)的波纹层。

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