caa a22 4500 465754880 CHVBK 20180323111844.0 cr unu---uuuuu 170327e19900301xx s 000 0 eng 10.1007/BF01166275 doi (NATIONALLICENCE)springer-10.1007/BF01166275 Zhixing Chen Chemistry Department, Zhongshan University, Guangzhou, People's Republic of China aut Free-electron theory of substituent effects on molecular orbital coefficients [Elektronische Daten] [Chen Zhixing] Rules for subsLiLuent effects on MO coefficients are developed by perturbational freeelectron theory. Theπ-MOs of substituted polyenes are regarded as waves shifted toward an electronegative atom in the conjugated system or shifted away from an electron-donating group. The concepts are extended to substituted ben7enes to show the relative magnitudes of the HOMO coefficients at ortho/para and meta carbons. J.C. Baltzer AG, Scientific Publishing Company, 1990 Journal of Mathematical Chemistry Kluwer Academic Publishers 5/1(1990-03-01), 73-79 0259-9791 5:1<73 1990 5 10910 https://doi.org/10.1007/BF01166275 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01166275 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Zhixing Chen Chemistry Department, Zhongshan University, Guangzhou, People's Republic of China aut NATIONALLICENCE 773 0- Journal of Mathematical Chemistry Kluwer Academic Publishers 5/1(1990-03-01), 73-79 0259-9791 5:1<73 1990 5 10910 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer