#------------------------------------------------------------------------------
#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/10/1531006.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_1531006
loop_
_publ_author_name
'Yamada, H.'
'Matsui, Y.'
'Ito, E.'
_publ_section_title
;
 Crystal-chemical characterization of K Al Si3 O8 with the hollandite
 structure
;
_journal_name_full               'Mineralogical Journal (Japan)'
_journal_page_first              29
_journal_page_last               34
_journal_volume                  12
_journal_year                    1984
_chemical_formula_sum            'Al K O8 Si3'
_chemical_name_systematic        'K Al Si3 O8'
_space_group_IT_number           87
_symmetry_space_group_name_Hall  '-I 4'
_symmetry_space_group_name_H-M   'I 4/m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.3244
_cell_length_b                   9.3244
_cell_length_c                   2.7227
_cell_volume                     236.724
_citation_journal_id_ASTM        MJTOAS
_cod_data_source_file            Yamada_MJTOAS_1984_1014.cif
_cod_data_source_block           Al1K1O8Si3
_cod_original_cell_volume        236.7236
_cod_original_formula_sum        'Al1 K1 O8 Si3'
_cod_database_code               1531006
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x,z
-x,-y,z
y,-x,z
-x,-y,-z
y,-x,-z
x,y,-z
-y,x,-z
x+1/2,y+1/2,z+1/2
-y+1/2,x+1/2,z+1/2
-x+1/2,-y+1/2,z+1/2
y+1/2,-x+1/2,z+1/2
-x+1/2,-y+1/2,-z+1/2
y+1/2,-x+1/2,-z+1/2
x+1/2,y+1/2,-z+1/2
-y+1/2,x+1/2,-z+1/2
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
O2 O-2 0.541 0.162 0 1 0.0
Al1 Al+3 0.348 0.17 0 0.25 0.0
Si1 Si+4 0.348 0.17 0 0.75 0.0
K1 K+1 0 0 0.5 1 0.0
O1 O-2 0.143 0.219 0 1 0.0
