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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/71/1527119.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_1527119
loop_
_publ_author_name
'Barker, M.G.'
'Gadd, P.G.'
_publ_section_title
;
 The preparation and crystal structure of sodium orthosilicate, Na4 Si O4
;
_journal_name_full               'Journal of Chemical Research (Synopsis)'
_journal_page_first              274
_journal_page_last               274
_journal_volume                  1981
_journal_year                    1981
_chemical_formula_sum            'Na4 O4 Si'
_chemical_name_systematic        'Na4 Si O4'
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                103.13
_cell_angle_beta                 95.5
_cell_angle_gamma                123.72
_cell_formula_units_Z            2
_cell_length_a                   5.576
_cell_length_b                   6.191
_cell_length_c                   8.507
_cell_volume                     228.773
_citation_journal_id_ASTM        JRPSDC
_cod_data_source_file            Barker_JRPSDC_1981_1488.cif
_cod_data_source_block           Na4O4Si1
_cod_original_cell_volume        228.7734
_cod_original_formula_sum        'Na4 O4 Si1'
_cod_database_code               1527119
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,-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
O2 O-2 0.1573 0.2016 0.3514 1 0.0
O1 O-2 0.4934 0.5362 0.1926 1 0.0
Na1 Na+1 0.5281 0.7846 0.0197 1 0.0
O4 O-2 0.2023 0.6648 0.3741 1 0.0
Na4 Na+1 0.0004 0.7644 0.1682 1 0.0
Na2 Na+1 0.2768 0.0445 0.5617 1 0.0
O3 O-2 -0.1147 0.2411 0.0884 1 0.0
Si1 Si+4 0.1789 0.4641 0.2479 1 0.0
Na3 Na+1 -0.2977 0.4342 0.3887 1 0.0
