Experimental measurements of low-frequency intermolecular host-guest dynamics

被引：0

作者：

Sukharevsky, AP ^{[1
]}

Read, I ^{[1
]}

Linton, B ^{[1
]}

Hamilton, AD ^{[1
]}

Waldeck, DH ^{[1
]}

机构：

[1] Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 1998年 / 102卷 / 27期

关键词：

D O I：

暂无

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A direct temporal measurement of the internal motion of a host-guest bimolecular complex is reported. Time-resolved polarization spectroscopy is used to monitor the motion of a guest chromophore, anthracene-1,3-dicarboxylate, bound to a bis(guanidinium) host molecule through a combination of hydrogen bonding and electrostatic forces. The dynamics of the bound chromophore is well described by an overdamped oscillator model. Through simple modeling, it is possible to estimate the frequency of the host-guest potential and the range of the guest chromophore's angular displacement.

引用

页码：5394 / 5403

页数：10

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