摘要 : Fluorescence properties of dilute and concentrated solutions of dibenzoylmethanatoboron difluoride and its crystals were studied.Excimers are formed in concentrated solutions and crystals of dibenzoylmethanatoboron difluoride.The ... 展开 Fluorescence properties of dilute and concentrated solutions of dibenzoylmethanatoboron difluoride and its crystals were studied.Excimers are formed in concentrated solutions and crystals of dibenzoylmethanatoboron difluoride.The crystal structue of dibenzoyl-methanatoboron difluoride was determined by X-ray diffraction analysis.It was found that the molecules of dibenzoylmethanatoboron difluoride are coplanar with an interplanar distance of 3.6 A. 收起