Data Item _valence_param.B

General

Item name
_valence_param.B
Category name
valence_param
Attribute name
B
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

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.

Data Type

Data type code
float
Data type detail
float item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?
Units
angstroms

Aliases

Alias Item Name Dictionary Name Dictionary Version
_valence_param_B cif_core.dic 2.3