data_9015156
_publ_section_title
;
 Etude de quelques derives de l'oxyde ferrique (Fe O.OH, FeO2Na, FeOCl)
 determination de leurs structures.
 _cod_database_code 1011088
;
_journal_name_full
'Bulletin de la Societe Francaise de Mineralogie'
_journal_page_first              6
_journal_page_last               6
_journal_volume                  58
_journal_year                    1935
_chemical_formula_sum            'Fe O2'
_chemical_name_mineral           Lepidocrocite
_space_group_IT_number           63
_symmetry_space_group_name_Hall  '-A 2 2a'
_symmetry_space_group_name_H-M   'A m a m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   3.87
_cell_length_b                   12.4
_cell_length_c                   3.06
_cell_volume                     146.843
_database_code_amcsd             0017984
_exptl_crystal_density_diffrn    3.974
_cod_database_code               9015156
loop_
_space_group_symop_operation_xyz
x,y,z
x,1/2+y,1/2+z
1/2+x,-y,z
1/2+x,1/2-y,1/2+z
1/2-x,y,-z
1/2-x,1/2+y,1/2-z
x,y,-z
x,1/2+y,1/2-z
-x,-y,z
-x,1/2-y,1/2+z
1/2-x,y,z
1/2-x,1/2+y,1/2+z
1/2+x,-y,-z
1/2+x,1/2-y,1/2-z
-x,-y,-z
-x,1/2-y,1/2-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe1 0.25000 -0.19000 0.00000
O1 0.25000 0.19000 0.00000
O2 0.25000 0.42300 0.00000
