#------------------------------------------------------------------------------
#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/4/12/44/4124434.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_4124434
loop_
_publ_author_name
'Firor, R.L.'
'Seff, K.'
_publ_section_title
;
 Near zero coordinate Ca2+ and Sr2+ in zeolite A. Crystal structures of
 dehydrated Ca6-A and Sr6-A
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3091
_journal_page_last               3096
_journal_volume                  100
_journal_year                    1978
_chemical_formula_sum            'Al2 O8 Si2 Sr'
_chemical_name_systematic        'Sr Si2 Al2 O8'
_space_group_IT_number           221
_symmetry_space_group_name_Hall  '-P 4 2 3'
_symmetry_space_group_name_H-M   'P m -3 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            6
_cell_length_a                   12.316
_cell_length_b                   12.316
_cell_length_c                   12.316
_cell_volume                     1868.138
_citation_journal_id_ASTM        JACSAT
_cod_data_source_file            Firor_JACSAT_1978_284.cif
_cod_data_source_block           Al2O8Si2Sr1
_cod_original_formula_sum        'Al2 O8 Si2 Sr1'
_cod_database_code               4124434
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
z,x,y
-x,z,y
-z,-x,y
x,-z,y
z,-x,-y
x,z,-y
-z,x,-y
-x,-z,-y
y,z,x
y,-z,-x
z,y,-x
-y,z,-x
-z,-y,-x
-y,-z,x
z,-y,x
-z,y,x
-x,-y,-z
y,-x,-z
x,y,-z
-y,x,-z
-x,y,z
-y,-x,z
x,-y,z
y,x,z
-z,-x,-y
x,-z,-y
z,x,-y
-x,z,-y
-z,x,y
-x,-z,y
z,-x,y
x,z,y
-y,-z,-x
-y,z,x
-z,-y,x
y,-z,x
z,y,x
y,z,-x
-z,y,-x
z,-y,-x
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
Sr2 Sr+2 0.155 0.155 0.155 0.25 0.0
Sr1 Sr+2 0.205 0.205 0.205 0.375 0.0
Sr3 Sr+2 0.072 0.4476 0.4476 0.0417 0.0
Si1 Si+4 0 0.1832 0.3733 0.5 0.0
O3 O-2 0.1146 0.1146 0.3459 1 0.0
O1 O-2 0 0.2242 0.5 1 0.0
O2 O-2 0 0.2845 0.2845 1 0.0
Al1 Al+3 0 0.1832 0.3733 0.5 0.0
