Macromolecular dictionary (mmCIF) version 2.0.09

_chemical_formula.weight

Name:
'_chemical_formula.weight'

Definition:

   Formula mass in daltons. This mass should correspond to the
   formulae given under _chemical_formula.structural,
   _chemical_formula.moiety or _chemical_formula.sum and,
   together with the Z value and cell parameters, should
   yield the density given as _exptl_crystal.density_diffrn.

Type: float

Mandatory item: no

Alias:
_chemical_formula_weight (cif_core.dic version 2.0.1)
The permitted range is [1.0, infinity)

Category: chemical_formula