Electron diffraction, X-ray powder diffraction and pair-distribution-function analyses to determine the crystal structure of Pigment Yellow 213, C(23)H(21)N(5)O(9)
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE. Bd. 65. MALDEN: WILEY-BLACKWELL PUBLISHING, INC 2009 S. 189 - 199
Erscheinungsjahr: 2009
ISBN/ISSN: 0108-7681
Publikationstyp: Zeitschriftenaufsatz
Sprache: Englisch
Doi/URN: 10.1107/S0108768109003759
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Inhaltszusammenfassung
The crystal structure of the nanocrystalline alpha phase of Pigment Yellow 213 (P.Y. 213) was solved by a combination of single-crystal electron diffraction and X-ray powder diffraction, despite the poor crystalinity of the material. The molecules from an efficient dense packing, which explains the observed insolubility and weather fastness of the pigment. The pair-distribution function (PDF) of the alpha phase is consistent with the determined crystal structure. The beta phase of P.Y. 213 sh...The crystal structure of the nanocrystalline alpha phase of Pigment Yellow 213 (P.Y. 213) was solved by a combination of single-crystal electron diffraction and X-ray powder diffraction, despite the poor crystalinity of the material. The molecules from an efficient dense packing, which explains the observed insolubility and weather fastness of the pigment. The pair-distribution function (PDF) of the alpha phase is consistent with the determined crystal structure. The beta phase of P.Y. 213 shows even lower crystal quality, so extracting any structural information directly from the diffraction data is not possible. PDF analysis indicates the beta phase to have a columnar structure with a similar local structrue as the alpha phase and a domain size in column direction of approximately 4 nm. » weiterlesen» einklappen
