Aromaticity of biphenylene networks

Aromaticity of biphenylene networks

書誌詳細
Parent link:	Physical Chemistry Chemical Physics.— .— London: Royal Society of Chemistry Vol. 26, iss. 39.— 2024.— P. 25648-25654
その他の著者:	Valiulina L. I. Lenara, Valiev R. R. Rashid Rinatovich, Cherepanov V. N. Victor, Stepanova E. V. Elena Vladimirovna
要約:	Title screen Magnetically induced ring-currents and magnetic susceptibilities have been calculated for the series of biphenylene sheets and biphenylene nanoribbons with armchair and zigzag edges with hydrogen atoms, as well as with bromine and fluorine atoms. Calculations have been performed at the density functional level of theory. It has been shown that biphenylene sheets and nanoribbons are characterized by dominant paratropic ring current, resulting in antiaromatic character. The global electron delocalization in biphenylene networks favors the edges of molecular structures, passing through cyclobutadiene units avoiding the outer contour of benzene. Replacing the hydrogen atoms with bromine and fluorine atoms slightly reduces the global ring-current strength and increases the diamagnetic property. The B3LYP functional overestimates the paramagnetic contribution of magnetic susceptibility in large molecular structures, compared with the BHandHLYP functional, which is recommended for magnetic property calculations Текстовый файл AM_Agreement
言語:	英語
出版事項:	2024
主題:	электронный ресурс труды учёных ТПУ biphenylene sheets nanoribbons
オンライン･アクセス:	https://doi.org/10.1039/D4CP03157A
フォーマット:	電子媒体図書の章
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=678279

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