#------------------------------------------------------------------------------
#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/03/1530304.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_1530304
loop_
_publ_author_name
'Ljutin, V.I.'
'Kazak, V.F.'
'Ilyukhin, V.V.'
'Belov, H.V.'
_publ_section_title
;
 Crystal structure of Na Ca H Si O4
;
_journal_name_full               'Doklady Akademii Nauk SSSR'
_journal_page_first              582
_journal_page_last               584
_journal_volume                  205
_journal_year                    1972
_chemical_formula_sum            'Ca H Na O4 Si'
_chemical_name_systematic        'Na Ca H Si O4'
_space_group_IT_number           20
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.71
_cell_length_b                   9.18
_cell_length_c                   7.03
_cell_volume                     368.497
_citation_journal_id_ASTM        DANKAS
_cod_data_source_file            Ljutin_DANKAS_1972_147.cif
_cod_data_source_block           H1Ca1Na1O4Si1
_cod_original_cell_volume        368.4972
_cod_original_formula_sum        'H1 Ca1 Na1 O4 Si1'
_cod_database_code               1530304
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z+1/2
x,-y,-z
-x,y,-z+1/2
x+1/2,y+1/2,z
-x+1/2,-y+1/2,z+1/2
x+1/2,-y+1/2,-z
-x+1/2,y+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
O1 O-2 0.265 0.045 0.256 1 0.0
Ca1 Ca+2 0 0 0 1 0.0
O2 O-2 0.469 0.249 0.063 1 0.0
Si1 Si+4 0.5 0.145 0.25 1 0.0
Na1 Na+1 0 0.317 0.25 1 0.0
