The carbonate, Co3-• solution studied by resonance Raman spectroscopy

被引：21
|
作者：
Tavender, SM [1 ]
Johnson, SA
Balsom, D
Parker, AW
Bisby, RH
机构：
[1] Rutherford Appleton Lab, Lasers Sci Facil, Didcot OX11 0QX, Oxon, England
[2] Univ Salford, Dept Biol Sci, Salford M5 4WT, Lancs, England
来源：
LASER CHEMISTRY | 1999年 / 19卷 / 1-4期
关键词：
carbonate; radical; Raman;
D O I：
10.1155/1999/56589
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：
The carbonate radical (CO3-.) is of biological significance acting as an intermediate in free radical-mediated damage and is capable of oxidising amino acids and proteins. In order to distinguish between the four possible structures of CO3-., nanosecond time-resolved resonance Raman (TR3) experiments were undertaken. Photolysis of persulphate at 250 nm generated the SO4-. radical which then oxidised sodium carbonate. Resonance Raman spectra of the resulting CO3-. radical were obtained using a probe wavelength of 620 nm. Point group theory calculations and interpretation of the TR3 spectra suggest that the radical has C-2 upsilon molecular symmetry.
引用
收藏
页码：311 / 316
页数：6
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