Core dictionary (coreCIF) version 2.3.1

_chemical_formula_weight

Definition:

   Formula mass in daltons. This mass should correspond to the
   formulae given under _chemical_formula_structural, *_iupac,
   *_moiety or *_sum and, together with the Z value and cell
   parameters, should yield the density given as
   _exptl_crystal_density_diffrn.

Type: numb

Category: chemical_formula