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       School in Grenoble, April 1-3 2009

TotalCryst is a universal methodology for crystallographic structure solution and refinements of arbitrary polycrystals and powders. The method determines the molecular arrangement within each grain. It applies to simple inorganic structures as well as to large macromolecules and it attempts to probe grains on all scales from 100 nm to 1 mm.



Small molecules

Structural solution and refine-

ment of multi-crystals.

 

As an example

Cu(C2O2H3)2:H2O was

refined based on a sample comprising > 70 grains. The quality of the structure solution is similar to single crystal work and clearly superior to powder diffraction

 

Vaughan et  al. Z. Krist. (2004)  219, 813-825

 

Materials science

3D maps of grains and

3D movies of dynamics

 

Maps of the crystallographic

orientation and stresses of

polycrystals comprising

>2000 grains have been made.

The acquisition rate is sufficiently fast to enable in situ studies during e.g. coarsening or deformation.

 

 

 

Schmidt et al.,Scripta Mat. (2008) 59, 491-494

 

Structural biology

Biological crystallography with

multiple crystals and micro crystals.

 

Data collected from multiple single crystals simultaneously mounted on a single nylon fibre loop will be analysed. Approaches from both conventional MX and novel TotalCryst techniques will be used in 3D-

structure determination. Methods to

alleviate the effects of radiation

damage on micro crystals will be

addressed.

 

Garman and McSweeney, J Synchrotron Rad.(2007) 14, 1-3

FABLE Software

FABLE is a collection of open-source software for TotalCryst applications, including data handling, visualisation and simulation. (http://fable.wiki.sourceforge.net)


The 3-day School aims at explaining the TotalCryst methods and demonstrating the FABLE package. There is an option to work on personal data, provided contact is made to organizers beforehand.

Participants: Students (ECTS points given), users, software developers and beamline scientists working in the fields of chemistry, crystallography, pharmaceutical science, materials science, geology….

Organizers:  Elspeth Garman, Simone Techert, Jonathan Wright, Gavin Vaughan, Andy Goetz, Michal Dusek, Vaclav Petricek, Søren Schmidt, Henning Osholm Sørensen, Henning Friis Poulsen

Registration and further information can be found here

Sponsors:  EU 6th Framework program, ESRF, Danish National Research Foundation



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