International Tables for Crystallography

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Industrial organic pigments
M. U. Schmidt. International Tables for Crystallography (2019). Vol. H, ch. 7.10, pp. 834-842  [ doi:10.1107/97809553602060000984 ]

Abstract

This chapter describes the application of X-ray powder diffraction to industrial organic pigments. Most of these methods are also used for other organic compounds, including pharmaceuticals, agrochemicals, industrial intermediates, materials for optoelectronic applications etc. The applications of powder diffraction that are described are (i) qualitative phase analysis, (ii) quantitative phase analysis, (iii) determination of the domain size, (iv) structure determination from powder diffraction data, (v) determination of the amorphous content and (vi) investigation of local structures of nanocrystalline and amorphous organic compounds. Details and examples of structure determination from powder data using real-space methods or crystal-structure prediction are given. Additionally, emphasis is placed on pair-distribution function analyses, which are used, for example, for the investigation of local structures and packing motifs in nanocrystalline and amorphous organic compounds.


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About International Tables for Crystallography

International Tables for Crystallography is the definitive resource and reference work for crystallography. The multi-volume series comprises articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the structure and properties of materials.