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Structure and hypochromism of (6,9) (9′,6′) purinophanes

✍ Scribed by Fumio Hama; Yoshiteru Sakata; Soichi Misumi; Misako Aida; Chikayoshi Nagata

Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
202 KB
Volume
23
Category
Article
ISSN
0040-4039

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✦ Synopsis

The.structure of the title compound la was determined to be a cross-stacking form with an interplanar distance of ca. 3.3 A by X-ray analysis. On the basis of this structure, the hypochromicity of la was calculated by the ASMO SCF CI method.

📜 SIMILAR VOLUMES

Molecular structures and hypochromism of
Molecular structures and hypochromism of two purinophanes
✍ Fumio Hama; Yoshiteru Sakata; Soichi Misumi 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 218 KB

The structures of purinophane 1 and its higher homolog 2 were determined by X-ray crystallographic analysis. Hypochromism of 1 and 2 in various media is reported.

Structure and properties of 6/6.9 copoly
Structure and properties of 6/6.9 copolyamide series. I. Amorphous phase
✍ M. Zilberman; A. Siegmann; M. Narkis 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 608 KB

The amorphous phase of a series of random 6/6.9 copolyamides was investigated. It was characterized by the glass transition temperature (T,) and the hydrogen bond content, as a function of the copolymer composition, compared to the corresponding homopolymers, polyamide 6 and polyamide 6.9. The hydro