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Didcot Girls School Science ClubVisit
to
Chemical Crystallography
|
Andrew Cowley demonstrates the Nonius Kccd diffractometer
to the Science Club. There is a second diffractometer behind the group |
||
The molecular strcuture of citric acid | ||
A single crystal of citric acid supported
on a nylon loop. The ball point pen shows the scale |
||
An X-ray diffraction image of citric acid
The bright spots are Bragg reflections. |
A single molecule of citric acid | ||
A 'space filling' image of citric acid. The blue atom is the oxygen atom of the water molecule which makes up part of the structure | ||
A packing diagram of citric acid. The dotted lines are the hydrogen bond net work. These weak bonds help hold the crystal together |
© Copyright Chemical Crystallography Laboratory, Oxford, 2006.
Comments or queries to David Watkin -
david.watkin@chem.ox.ac.uk Telephone +44 1865 285019.
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