#------------------------------------------------------------------------------
#$Date: 2017-10-13 02:32:00 +0300 (Fri, 13 Oct 2017) $
#$Revision: 201954 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/01/12/1011240.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1011240
loop_
_publ_author_name
'Pauling, L'
'Hendricks, S B'
_publ_section_title              'The Structure of Hematite'
_journal_coden_ASTM              JACSAT
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              781
_journal_page_last               790
_journal_paper_doi               10.1021/ja01680a027
_journal_volume                  47
_journal_year                    1925
_chemical_formula_structural     'Fe2 O3'
_chemical_formula_sum            'Fe2 O3'
_chemical_name_mineral           Hematite
_chemical_name_systematic        'Iron(III) oxide'
_space_group_IT_number           167
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3* 2n'
_symmetry_space_group_name_H-M   'R -3 c :R'
_cell_angle_alpha                55.28
_cell_angle_beta                 55.28
_cell_angle_gamma                55.28
_cell_formula_units_Z            2
_cell_length_a                   5.43
_cell_length_b                   5.43
_cell_length_c                   5.43
_cell_volume                     100.8
_exptl_crystal_density_meas      5.26(4)
_cod_original_sg_symbol_H-M      'R -3 c R'
_cod_database_code               1011240
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
y,z,x
z,x,y
-x,-y,-z
-y,-z,-x
-z,-x,-y
1/2+y,1/2+x,1/2+z
1/2+z,1/2+y,1/2+x
1/2+x,1/2+z,1/2+y
1/2-y,1/2-x,1/2-z
1/2-z,1/2-y,1/2-x
1/2-x,1/2-z,1/2-y
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Fe1 Fe3+ 4 c 0.105(1) 0.105(1) 0.105(1) 1. 0 d
O1 O2- 12 f 0.292(7) -0.292(7) 0. 0.5 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Fe3+ 3.000
O2- -2.000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 ChemSpider 14147