Visualization of a discrete solid-state process with steady-state X-ray diffraction: Observation of hopping of sulfur atoms in single crystals of realgar

Journal of the American Chemical Society

Volumn 132, Issue 33, 2010, Pages 11398-11401

  Naumov, Panče ^a,b   Makreski, Petre ^b   Petruševski, Gjorgji ^b,c   Runčevski, Tomče ^b   Jovanovski, Gligor ^b,d  

^a OSAKA UNIVERSITY   (Japan)

^b SS CYRIL AND METHODIUS UNIVERSITY   (Macedonia)

^c Research and Development   (Macedonia)

^d MACEDONIAN ACADEMY OF SCIENCES AND ARTS   (Macedonia)

Author keywords

[No Author keywords available]

Indexed keywords

AUTOCATALYTIC REACTIONS; SOLID-STATE PROCESS; STRUCTURE DETERMINATION; SULFUR ATOMS;

SULFUR; VISUALIZATION; X RAY DIFFRACTION;

SINGLE CRYSTALS;

SULFUR;

ARTICLE; CATALYSIS; CHEMICAL REACTION; CHEMICAL STRUCTURE; CONTROLLED STUDY; CRYSTAL; SOLID STATE; STEADY STATE; X RAY DIFFRACTION;

ARSENICALS; CATALYSIS; CRYSTALLOGRAPHY, X-RAY; MODELS, MOLECULAR; SULFIDES; SULFUR;

EID: 77955798072     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja1030672     Document Type: Article

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48. It should be noted that the solid-state kinetic models such as those utilized here usually correlate the conversion extent (or a quantity proportional to it, such as the relative Raman band intensity employed here) with the reaction rate. However, because of the unavailabilty of such a quantity in our XRD experiment, where the conversion yield was not readily accessible, the change of the relative volume was considered in the analysis. As has been already pointed out elsewhere, (25) while this may be very useful, such an assumption may not always be entirely justified.