A chromophore for nonlinear optics with extended conjugation has been synthesized, and its structure determined from X-ray diffraction data. The compound crystallizes in the monoclinic system with the space group P21/n and Z = 4. The unit cell parameters are a = 10.7826(4) Å, b = 14.5943(5) Å, c = 15.3792(5) Å and beta = 96.213(2)°. A thin film containing 5% of the chromophore in amorphous polycarbonate
合成了具有扩展共轭的非线性光学发色团,其结构由 X 射线衍射数据确定。该化合物在空间群 P21/n 和 Z = 4 的单斜晶系中结晶。晶胞参数为 a = 10.7826(4) Å、b = 14.5943(5) Å、c = 15.3792(5) Å 和 beta = 96.213(2)°。在 180°C 和 60 V/μm 下极化时,含有 5% 非晶聚
碳酸酯发色团的薄膜产生的最大 r33 值为 206 pm/V。这比原型无机材料
铌酸锂的值高七倍。