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Item _atom.type_symbol

Description

The code used to identify the atom specie(s) representing this atom type. 
Normally this code is the element symbol. The code may be composed of any character 
except an underline with the additional proviso that digits designate an 
oxidation state and must be followed by a + or - character.

Category

Item Examples

Example 1:

?

Mandatory Code

Data Type Code

 

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