Dimensionality Changes in Crystalline Complexes Induced by Exposure to Air: Solid-State Studies Using Single Crystal and Powder X-ray Diffraction Methods

Autor: Antonia Neels, Montserrat Alfonso, Déborah González Mantero, Helen Stoeckli-Evans
Jazyk: German<br />English<br />French
Rok vydání: 2003
Předmět:
Zdroj: CHIMIA, Vol 57, Iss 10 (2003)
Druh dokumentu: article
ISSN: 0009-4293
2673-2424
DOI: 10.2533/000942903777678876
Popis: When they come into contact with air, coordination compounds can often change their appearance. For instance, the colour of the compound can change as transparent crystals become opaque microcrystalline solids. This visible transformation of the compound is frequently accompanied by structural modifications due to loss of solvent molecules or in the reverse case, the reaction with water from the air. Often, the dimensionality of the structures also varies and this aspect is demonstrated for three pairs of copper(II) complexes (1D ? 0D, 1D ? 2D and 3D ? 2D). The complementary use of single crystal and powder X-ray diffraction methods is indispensable for the evaluation of these structural changes.
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