Welcome to the new version of CaltechAUTHORS. Login is currently restricted to library staff. If you notice any issues, please email coda@library.caltech.edu
Published November 24, 2008 | Supplemental Material
Journal Article Open

Ultrafast Electron Diffraction Reveals Dark Structures of the Biological Chromophore Indole


With UED, as detailed in the experimental section, we are able to determine both ground- and excited-state structures and obtain the temporal behavior for excitation of indole at 267 nm. For the ground-state structure (see Scheme SI1 in the Supporting Information), the experimental and the theoretical molecular scattering function, sM(s), together with the radial distributions, f(r), are shown in Figure 1. The refined structural parameters are listed in Table SI1 in the Supporting Information, together with values obtained from density functional theory (DFT) calculations. The satisfactory agreement between experiment and theory gives the refined structural parameters, which were found to have discrepancies at most within 0.007 Å and 0.18° for bond lengths and angles, respectively.

Additional Information

© 2008 WILEY-VCH. Received: August 22, 2008. Published online: November 5, 2008. This work was supported by the National Science Foundation and the Air Force Office of Scientific Research in the Gordon and Betty Moore Center of Physical Biology at Caltech. We would like to thank Prof. Kenneth W. Hedberg for help in designing the air-heated inlet system. We would also like to thank Prof. Andrzej L. Sobolewski for providing the starting geometries of the relevant species for our data analysis. Supporting information for this article is available on the WWW under http://dx.doi.org/10.1002/anie.200804152.

Attached Files

Supplemental Material - PARac08supp.pdf


Files (1.8 MB)
Name Size Download all
1.8 MB Preview Download

Additional details

August 22, 2023
October 17, 2023