X-ray diffraction determination of the unit cell parameters of naphthalic anhydride and some of its derivatives
β Scribed by Lieh Nguyen Shok; G. A. Gol'der
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 1971
- Tongue
- English
- Weight
- 82 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0022-4766
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π SIMILAR VOLUMES
## Nature of physical problem The program, FIRESTAR, determines the dimensions of a Catalogue number: ACFY crystallographic unit cell from a set of X-ray powder diffraction measurements corresponding to a set of Bragg reflections, Program obtainable from: CPC Program Library, Queen's Uni-provided
2,3,9,10,16,17,23,24-Octapentoxyphthalocyanine and its nickel derivative have been studied by means of electron and X-ray powder diffraction. The results reveal that the metal-free compound forms monoclinic crystals (space group C2/c) with unit cell constants a = 4.202 nm , b = 0.4977 nm , c = 3.345