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Difference between revisions of "Harker section"

From Online Dictionary of Crystallography

 
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== Definition ==
 
 
 
In [[Patterson methods]] of structure solution, relationships between symmetrically related atoms produce peaks in the Patterson function on certain planes or along certain lines determined by the known crystallographic symmetries. '''Harker sections''' are portions of the Patterson map that contain a large proportion of the readily interpretable information because  they contain many such '''Harker peaks''' (vectors between space-group equivalent atoms).
 
In [[Patterson methods]] of structure solution, relationships between symmetrically related atoms produce peaks in the Patterson function on certain planes or along certain lines determined by the known crystallographic symmetries. '''Harker sections''' are portions of the Patterson map that contain a large proportion of the readily interpretable information because  they contain many such '''Harker peaks''' (vectors between space-group equivalent atoms).
  
 
[[Category:Structure determination]]
 
[[Category:Structure determination]]

Revision as of 13:54, 6 February 2012

In Patterson methods of structure solution, relationships between symmetrically related atoms produce peaks in the Patterson function on certain planes or along certain lines determined by the known crystallographic symmetries. Harker sections are portions of the Patterson map that contain a large proportion of the readily interpretable information because they contain many such Harker peaks (vectors between space-group equivalent atoms).