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Core CIF Dictionary version 2.3

_valence_param_B

Name

'_valence_param_B'

Category: valence_param

Data type: numb

Must appear in a looped list containing '_valence_param_id'

Units: A ( Angstrom)

Definition

    	
   The bond valence parameter B used in the expression

         s = exp[(Ro - R)/B]

   where s is the valence of a bond of length R.
 


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