Compared with the PA series' noise scale, the meta -substitution of PAA and MBA showed an increasing trend in terms of the through-space coupling, as the σ-transport for these molecules becomes relatively weaker compared with the π-transport.
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Compared with the PA series' noise scale, the meta -substitution of PAA and MBA showed an increasing trend in terms of the through-space coupling, as the σ-transport for these molecules becomes relatively weaker compared with the π-transport.