#------------------------------------------------------------------------------
#$Date: 2018-09-27 06:13:35 +0200 (Thu, 27 Sep 2018) $
#$Revision: 211196 $
#$URL: svn://saulius.grazulis.lt/cod-secondary/cif/2/10/73/2107302.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_2107302
loop_
_publ_author_name
'Zhou, R.-S.'
'Snyder, R.L.'
_publ_section_title
;
 Structures and transformation mechanisms of the eta, gamma and theta
 transition aluminas
;
_journal_name_full               'Acta Crystallographica B (39,1983-)'
_journal_page_first              617
_journal_page_last               630
_journal_volume                  47
_journal_year                    1991
_chemical_formula_sum            'Al2.427 O3.64'
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 103.83
_cell_angle_gamma                90
_cell_formula_units_Z            3
_cell_length_a                   11.854
_cell_length_b                   2.904
_cell_length_c                   5.622
_cell_volume                     187.921
_citation_journal_id_ASTM        ASBSDK
_cod_data_source_file            Zhou_ASBSDK_1991_1609.cif
_cod_data_source_block           Al2.427O3.64
_cod_original_cell_volume        187.9212
_cod_database_code               2107302
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y,-z
-x,-y,-z
x,-y,z
x+1/2,y+1/2,z
-x+1/2,y+1/2,-z
-x+1/2,-y+1/2,-z
x+1/2,-y+1/2,z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Al2 Al+3 0.9166 0 0.2073 0.92 0.0
O2 O-2 0.495 0 0.2526 0.93 0.0
O3 O-2 0.1611 0 0.0984 0.8 0.0
O1 O-2 0.8272 0 0.4273 1 0.0
Al1 Al+3 0.6595 0 0.3165 0.9 0.0
