扭曲构象为较好的发光构象。分子受激后，平面构象可经旋转松弛到扭曲构象。
The twisted conformation was favorable for luminescence, and the excited coplanar molecule could relax to the twisted conformation.
结果表明两化合物在基态时可能存在着“平面构象与扭曲构象”间的平衡，环境的温度、极性和粘度对于化合物存在的构象有很大影响。
Results indicated that a equilibrium between coplanar and twisted conformations existed, and environmental temperature, solvent polarity and viscosity could affect the conformation of these compounds.
六元环分别呈现微扭曲的椅式构象、严重扭曲的椅式构象及半椅式构象。
The six-membered rings exhibit slightly distorted chair, extremely distorted chair and half-chair conformation respectively.
其中六元环分别呈现微扭曲的椅式构象、严重扭曲的椅式构象及半椅式构象；
The six-membered rings exhibit slightly distorted chair, extremely distorted chair and half-chair conformation respectively, and the five-membered ring exhibits an envelope conformation.
其中六元环分别呈现微扭曲的椅式构象、严重扭曲的椅式构象及半椅式构象；
The six-membered rings exhibit slightly distorted chair, extremely distorted chair and half-chair conformation respectively, and the five-membered ring exhibits an envelope conformation.
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