Analysis of time-resolved X-ray scattering data from solution-state systems

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As ultrafast time-resolved studies of liquid systems with the laser pump/X-ray scattering probe method have come of age over the past decade, several groups have developed methods for the analysis of such X-ray scattering data. The present article describes a method developed primarily with a focus on determining structural parameters in the excited states of medium-sized molecules (30 atoms) in solution. The general methodology is set in a maximum-likelihood framework and is introduced through the analysis of the photoactive platinum compound PtPOP, in particular the structure of its lowest triplet excited state (3A2u). Emphasis is put on structure determination in terms of model comparisons and on the information content of difference scattering signals as well as the related experimental variables. Several suggestions for improving the accuracy of these types of measurements are presented.
Original languageEnglish
JournalActa Crystallographica. Section A: Foundations of Crystallography
Volume66
Pages (from-to)261-269
ISSN0108-7673
DOIs
Publication statusPublished - 2010
Externally publishedYes
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Liquids, Photochemistry, Structural dynamics, Time-resolved X-ray scattering, Data analysis

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