Measurement of Circular Birefringence and Circular Dichroism of the Single Crystals of Γ-(+)589- and Δ-(-) 589-Tris(ethylenediamine)cobalt(III) Triiodide Monohydrate by the Extended HAUP Method

Ryo Matsuki, Toru Asahi, Jinzo Kobayashi, Hiroshi Asai*

*この研究の対応する著者

研究成果: Article査読

6 被引用数 (Scopus)

抄録

We have achieved measuring four optical parameters simultaneously, namely, linear birefringence (LB), circular birefringence (CB), linear dichroism (LD), and circular dichroism (CD), of single crystals of Γ-(+)589- and Δ-(-)589-tris(ethylenediamine) cobalt(III) triiodide monohydrate (1) along the 〈001〉 plane at the fixed wavelength (514.5 nm). Such measurements are possible only when the High Accuracy Universal Polarimeter (HAUP) is employed; it is called the extended HAUP method. Our experimental results showed that both LB and LD of the Γ-(+) 589-(1) crystal have the same magnitude as those of the Δ-(-)589-(1) crystal. It was also revealed for the first time that the CB data of crystals of Γ-(+)589-(1) and Δ-(-)589-(1) are almost of the same magnitude, but are of opposite sign, reflecting their opposite absolute configurations. On the other hand, although the CD data obtained for Γ-(+)589-(1) is almost three times larger than that for Δ-(-)589-(1), these CD data are also opposite in sign, as expected from the opposite chirality of crystals.

本文言語English
ページ(範囲)286-293
ページ数8
ジャーナルChirality
16
5
DOI
出版ステータスPublished - 2004 4月 30

ASJC Scopus subject areas

  • 分析化学
  • 触媒
  • 薬理学
  • 創薬
  • 分光学
  • 有機化学

フィンガープリント

「Measurement of Circular Birefringence and Circular Dichroism of the Single Crystals of Γ-(+)589- and Δ-(-) 589-Tris(ethylenediamine)cobalt(III) Triiodide Monohydrate by the Extended HAUP Method」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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