CHARGE TRANSFER COMPLEXES OF NITRO DERIVATIVES OF 9,10-PHENANTHRENEQUINONE WITH ANTHRACENE. CRYSTAL AND MOLECULAR STRUCTURES OF THE (1:1) COMPLEX OF 2,4,7-TRINITRO-9,10-PHENANTHRENEQUINONE WITH ANTHRACENE
作者:R. V. Linko、M. A. Ryabov、P. V. Strashnov、N. A. Polyanskaya、V. V. Davydov、P. V. Dorovatovskii、I. V. Lin’ko、V. N. Khrustalev
DOI:10.1134/s0022476621010169
日期:2021.1
[A–D] complexes, HOMO and LUMO gaps in CTC are found by quantum chemical calculations, and they correlate with the experimental positions of long-wave bands in the electron absorption spectra of the complexes in solutions. The crystal and molecular structures of new 1:1 CTC of 2,4,7-trinitro-9,10-phenanthrenequinone with anthracene is determined by single crystal X-ray diffraction. In crystal, CTC has
摘要 电荷转移络合物(CTC)是通过9,10-菲醌硝基衍生物与蒽的相互作用而获得的。通过电子光谱确定,前者的受体性质随硝基基团数目的增加而增加,并取决于它们的位置。发现与蒽形成与电荷转移带接近658 nm的四氯化碳的1,3,6-三硝基-9,10-菲醌是最强的受体。从供体(D)到受体(A)的电荷转移值范围为0.034到0.091ē,通过量子化学计算发现了[AD]配合物的形成能,CTC中的HOMO和LUMO间隙。溶液中络合物的电子吸收光谱中长波的实验位置。2,4,7-trinitro-9,的新1:1 CTC的晶体和分子结构 通过单晶X射线衍射测定具有蒽的10-菲醌。在晶体中,CTC具有⋯[A–D]⋯[A–D]'⋯}混合类型的∞堆积,其平均晶面间距为3.35Å,最短的C⋯C距离为3.234(2)Å,且分子间C–H⋯O氢键在2.50-2.69Å的范围内。