data_global
_chemical_name_mineral 'Goethite'
loop_
_publ_author_name
'Alvarez M'
'Sileo E E'
'Rueda E H'
_journal_name_full 'American Mineralogist'
_journal_volume 93 
_journal_year 2008
_journal_page_first 584
_journal_page_last 590
_publ_section_title
;
 Structure and reactivity of synthetic Co-substituted goethites
 Sample: G7, 7 mol% Co
;
_database_code_amcsd 0004541
_chemical_compound_source 'Synthetic'
_chemical_formula_sum '(Fe.93 Co.07) O2 H'
_cell_length_a 4.5901
_cell_length_b 9.9309
_cell_length_c 3.0148
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 137.426
_exptl_crystal_density_diffrn      4.305
_symmetry_space_group_name_H-M 'P b n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
FeMe   0.04740  -0.14500   0.25000   0.93000
CoMe   0.04740  -0.14500   0.25000   0.07000
O  -0.29410   0.19790   0.25000   1.00000
O-H   0.18980   0.05330   0.25000   1.00000