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#$Date: 2010-04-10 22:33:14 +0300 (Sat, 10 Apr 2010) $
#$Revision: 1078 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/2101056.cif $
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#
# 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_2101056
loop_
_publ_author_name
'Maslen, E. N.'
'Streltsov, V. A.'
'Streltsova, N. R.'
'Ishizawa, N.'
'Satow, Y.'
_publ_section_title
;
 Synchrotron X-ray study of the electron density in \a-Al~2~O~3~
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              973
_journal_page_last               980
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'Al2 O3'
_chemical_formula_weight         101.96
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c :H'
_[local]_cod_cif_authors_sg_H-M  'R -3 c {hexagonal axes}'
_cell_angle_alpha                90.
_cell_angle_beta                 90.
_cell_angle_gamma                120.
_cell_formula_units_Z            6
_cell_length_a                   4.7540(5)
_cell_length_b                   4.7540(5)
_cell_length_c                   12.9820(6)
_cell_volume                     254.09(6)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.71069
_exptl_absorpt_coefficient_mu    1.1393
_exptl_crystal_density_diffrn    3.997
_exptl_crystal_F_000             300
_[local]_cod_data_source_file    as0628.cif
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Al .0 .0 .35228(4)
O .69401(19) .0 .0
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O O 2.5215(10)
Al O 1.9700(2)
Al Al 2.6544(7)
Al Al 2.7882(2)
Al Al 3.2144(4)
_cod_database_code 2101056