Extending the Debye scattering equation for diffraction from a cylindrically averaged group of atoms: detecting molecular orientation at an interface

Ross, A.E.; McCulloch,D.G.; McKenzie, D.R.

doi:10.1107/S2053273320005276

Acta Crystallographica Section A
Acta Crystallographica
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Figure 6
A comparison of the orientations of glutathione, when attached to a surface. Glutathione molecules attached with their backbones perpendicular to the surface, as in (a), yield the diffraction patterns shown in (c) and (e) from grazing incidence, and a normal-incidence beam yields the pattern in (g). Similarly, glutathione molecules attached to a surface with their backbones parallel to the surface, as in (b), produce the diffraction patterns shown below: (d) and (f) from grazing incidence, and (h) from normal incidence. Note the patterns produced by normal incidence are quite distinct from those at grazing incidence.

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ISSN: 2053-2733

Volume 76| Part 4| July 2020| Pages 468-473

https://doi.org/10.1107/S2053273320005276

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