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Nucleus Independent Chemical Shift cyclobutadiene

Scheme 4.34) [108]. According to the experimentally determined bond lengths, a natural bond orbital (NBO) bond order analysis and the calculated nucleus-independent chemical shifts (NICSs), the bowl-shaped circulene 158 can be considered as a fourfold benzoannulated [4] radialene, not a fourfold napthoannulated cyclobutadiene. [Pg.107]

See other pages where Nucleus Independent Chemical Shift cyclobutadiene is mentioned: [Pg.513]    [Pg.681]    [Pg.486]    [Pg.564]    [Pg.215]    [Pg.57]    [Pg.205]    [Pg.721]    [Pg.82]    [Pg.513]    [Pg.21]   


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