Anisotropy enhanced X-ray scattering from solvated transition metal complexes

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Fältnamn	Indikatorer	Metadata
000		04668naa a2200553 4500
001		oai:lup.lub.lu.se:dfe53b94-a355-40b8-a220-9399d3c363e2
003		SwePub
008		180319s2018 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://lup.lub.lu.se/record/dfe53b94-a355-40b8-a220-9399d3c363e22 URI
024	7	a https://doi.org/10.1107/S16005775170169642 DOI
040		a (SwePub)lu
041		a engb eng
042		9 SwePub
072	7	a art2 swepub-publicationtype
072	7	a ref2 swepub-contenttype
100	1	a Biasin, Elisau Technical University of Denmark,Stanford Linear Accelerator Center (SLAC)4 aut
245	1 0	a Anisotropy enhanced X-ray scattering from solvated transition metal complexes
264	1	c 2018
300		a 10 s.
520		a Time-resolved X-ray scattering patterns from photoexcited molecules in solution are in many cases anisotropic at the ultrafast time scales accessible at X-ray free-electron lasers (XFELs). This anisotropy arises from the interaction of a linearly polarized UV-Vis pump laser pulse with the sample, which induces anisotropic structural changes that can be captured by femtosecond X-ray pulses. In this work, a method for quantitative analysis of the anisotropic scattering signal arising from an ensemble of molecules is described, and it is demonstrated how its use can enhance the structural sensitivity of the time-resolved X-ray scattering experiment. This method is applied on time-resolved X-ray scattering patterns measured upon photoexcitation of a solvated di-platinum complex at an XFEL, and the key parameters involved are explored. It is shown that a combined analysis of the anisotropic and isotropic difference scattering signals in this experiment allows a more precise determination of the main photoinduced structural change in the solute, i.e. the change in Pt - Pt bond length, and yields more information on the excitation channels than the analysis of the isotropic scattering only. Finally, it is discussed how the anisotropic transient response of the solvent can enable the determination of key experimental parameters such as the instrument response function.The analysis of time-resolved X-ray scattering patterns collected at an XFEL upon photoexcitation of a di-platinum complex in solution is described. The analysis quantitatively considers the anisotropy of the signal.
650	7	a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe
650	7	a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng
653		a anisotropic scattering
653		a molecular structure
653		a orientational selection
653		a time-resolved
653		a ultrafast
653		a XFEL
700	1	a Van Driel, Tim B.u Technical University of Denmark,Stanford Linear Accelerator Center (SLAC)4 aut
700	1	a Levi, Gianlucau Technical University of Denmark4 aut
700	1	a Laursen, Mads G.u Technical University of Denmark4 aut
700	1	a Dohn, Asmus O.u University of Iceland4 aut
700	1	a Moltke, Asbjørnu Technical University of Denmark4 aut
700	1	a Vester, Peteru Technical University of Denmark4 aut
700	1	a Hansen, Frederik B.K.u Technical University of Denmark4 aut
700	1	a Kjaer, Kasper S.u Lund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Technical University of Denmark,Stanford Linear Accelerator Center (SLAC)4 aut0 (Swepub:lu)chem-kkr
700	1	a Harlang, Tobiasu Technical University of Denmark4 aut0 (Swepub:lu)chem-tbh
700	1	a Hartsock, Robertu Stanford Linear Accelerator Center (SLAC)4 aut
700	1	a Christensen, Mortenu Technical University of Denmark4 aut
700	1	a Gaffney, Kelly J.u Stanford Linear Accelerator Center (SLAC)4 aut
700	1	a Henriksen, Niels E.u Technical University of Denmark4 aut
700	1	a Møller, Klaus B.u Technical University of Denmark4 aut
700	1	a Haldrup, Kristofferu Technical University of Denmark4 aut
700	1	a Nielsen, Martin M.u Technical University of Denmark4 aut
710	2	a Technical University of Denmarkb Stanford Linear Accelerator Center (SLAC)4 org
773	0	t Journal of Synchrotron Radiationg 25:2, s. 306-315q 25:2<306-315x 0909-0495
856	4	u http://dx.doi.org/10.1107/S1600577517016964y FULLTEXT
856	4 8	u https://lup.lub.lu.se/record/dfe53b94-a355-40b8-a220-9399d3c363e2
856	4 8	u https://doi.org/10.1107/S1600577517016964

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Av författaren/redakt...: Biasin, Elisa; Van Driel, Tim B ...; Levi, Gianluca; Laursen, Mads G.; Dohn, Asmus O.; Moltke, Asbjørn; visa fler...; Vester, Peter; Hansen, Frederik ...; Kjaer, Kasper S.; Harlang, Tobias; Hartsock, Robert; Christensen, Mor ...; Gaffney, Kelly J ...; Henriksen, Niels ...; Møller, Klaus B.; Haldrup, Kristof ...; Nielsen, Martin ...; visa färre...

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