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Presence of edge-to-face aromatic interaction in bis[1,2-bis(4-alkylphenyl)ethanedione dioximato]nickel(II) complexes and evaluation of the fastener effect by Yuji Soneta; Tatsuo Moritaka; Kazuo Miyamura is a Chemistry article available to read on EtoBox.

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Bis [1,2-bis(4-methylphenyl)ethanedione dioximato]nickel(II), [Ni{(C 1 ) 2 dpg} 2 ] (1), was found to exhibit shift in diffuse reflectance spectra from the corresponding non-methyl species. Characterization by X-ray crystal structural analysis on 1 and bis[1,2-bis(4-n-hexylphenyl)ethanedione dioximato]nickel(II), [Ni{(C 6 ) 2 dpg} 2 ] (2), revealed the presence of the edge-to-face aromatic interactions caused by the electron-donating effect of the methyl and hexyl groups. The Ni(dpg) 2 units of complex 2 stack (staggered by 90°) at alternate intervals of 3.151 A ̊and 3.253 A ̊. Thus, the shift in the d-p transition of 2 was found to contain 43% of the effect of the edge-to-face aromatic interaction, together with 57% of the reported fastener effect.

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Author

Yuji Soneta; Tatsuo Moritaka; Kazuo Miyamura

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0020-1693)

Published

2007

Language

EN

Field

Chemistry (Physical Sciences)