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Solution structure of zinc-seamed C-alkylpyrogallol[4]arene dimeric nanocapsules.


ABSTRACT: The structural stability and solution geometry of zinc-seamed-C-propylpyrogallol[4]arene dimers has been studied in solution using in situ neutron scattering and 2D-DOSY NMR methods. In comparison with the structures of the analogous copper-/nickel-seamed dimeric entities, the spherical geometry of the PgC3Zn species (R = 9.4 Å; diffusion coefficient = 1.05 × 10-10 m2 s-1) is larger due to the presence of ligands at the periphery in solution. This enhanced radius in solution due to ligation is also consistent with the findings of model molecular dynamics simulations of the zinc-seamed dimers.

SUBMITTER: Kumari H 

PROVIDER: S-EPMC8693989 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Solution structure of zinc-seamed <i>C</i>-alkylpyrogallol[4]arene dimeric nanocapsules.

Kumari Harshita H   Wycoff Wei G WG   M Mayhan Collin C   Kline Steven R SR   So Joshua R JR   Deakyne Carol A CA   Adams John E JE   Atwood Jerry L JL  

RSC advances 20210115 6


The structural stability and solution geometry of zinc-seamed-<i>C</i>-propylpyrogallol[4]arene dimers has been studied in solution using <i>in situ</i> neutron scattering and 2D-DOSY NMR methods. In comparison with the structures of the analogous copper-/nickel-seamed dimeric entities, the spherical geometry of the PgC<sub>3</sub>Zn species (<i>R</i> = 9.4 Å; diffusion coefficient = 1.05 × 10<sup>-10</sup> m<sup>2</sup> s<sup>-1</sup>) is larger due to the presence of ligands at the periphery i  ...[more]

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