This is an archive copy of the IUCr web site dating from 2008. For current content please visit https://www.iucr.org.
[IUCr Home Page] [CIF Home Page] [mmCIF Home Page]

Item _chemical_formula.analytical


| Top | Dictionary | Category Groups | Categories | Items | Data |

Description


              Formula determined by standard chemical analysis including trace
               elements. See the CHEMICAL_FORMULA category description for 
               rules for writing chemical formulae. Parentheses are used only
               for standard uncertainties (e.s.d.'s).

Category

chemical_formula

Item Examples


Example 1:



Fe2.45(2)  Ni1.60(3)  S4

Mandatory Code

no

Data Type Code

text

Alias Names

Alias Name Dictionary Version
_chemical_formula_analytical cif_core.dic 2.0.1

| Top | Dictionary | Category Groups | Categories | Items | Data |



This HTML dictionary was created using the
CIFLIB C Language Application Program Interface
at the
Resource Collaboratory for Structural Bioinformatics
Rutgers University, Department of Chemistry
New Brunswick, New Jersey
help@rcsb.rutgers.edu