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#$Date: 2023-03-26 10:30:59 +0300 (Sun, 26 Mar 2023) $
#$Revision: 282067 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/10/11/2101168.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2101168
loop_
_publ_author_name
'Maslen, E. N.'
'Streltsov, V. A.'
'Streltsova, N. R.'
'Ishizawa, N.'
_publ_section_title
;
 Synchrotron X-ray study of the electron density in \a-Fe~2~O~3~
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              435
_journal_page_last               441
_journal_paper_doi               10.1107/S0108768194002284
_journal_volume                  50
_journal_year                    1994
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Fe2 O3'
_chemical_formula_weight         159.7
_chemical_name_mineral           Hematite
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   5.0355(5)
_cell_length_b                   5.0355(5)
_cell_length_c                   13.7471(7)
_cell_volume                     301.88(7)
_database_code_amcsd             0017807
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.7000(2)
_exptl_absorpt_coefficient_mu    13.68
_exptl_crystal_density_diffrn    5.270
_exptl_crystal_F_000             456
_cod_data_source_file            as0661.cif
_cod_original_sg_symbol_H-M      'R -3 c {hexagonal axes}'
_cod_database_code               2101168
loop_
_space_group_symop_operation_xyz
x,y,z
2/3+x,1/3+y,1/3+z
1/3+x,2/3+y,2/3+z
x,x-y,1/2+z
2/3+x,1/3+x-y,5/6+z
1/3+x,2/3+x-y,1/6+z
y,x,1/2-z
2/3+y,1/3+x,5/6-z
1/3+y,2/3+x,1/6-z
-x+y,y,1/2+z
2/3-x+y,1/3+y,5/6+z
1/3-x+y,2/3+y,1/6+z
-x,-x+y,1/2-z
2/3-x,1/3-x+y,5/6-z
1/3-x,2/3-x+y,1/6-z
-y,-x,1/2+z
2/3-y,1/3-x,5/6+z
1/3-y,2/3-x,1/6+z
x-y,-y,1/2-z
2/3+x-y,1/3-y,5/6-z
1/3+x-y,2/3-y,1/6-z
y,-x+y,-z
2/3+y,1/3-x+y,1/3-z
1/3+y,2/3-x+y,2/3-z
-x+y,-x,z
2/3-x+y,1/3-x,1/3+z
1/3-x+y,2/3-x,2/3+z
-x,-y,-z
2/3-x,1/3-y,1/3-z
1/3-x,2/3-y,2/3-z
-y,x-y,z
2/3-y,1/3+x-y,1/3+z
1/3-y,2/3+x-y,2/3+z
x-y,x,-z
2/3+x-y,1/3+x,1/3-z
1/3+x-y,2/3+x,2/3-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe .0 .0 .355280(10)
O .69397(10) .0 .25
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 ChemSpider 14147
2 AMCSD 0017807