#------------------------------------------------------------------------------
#$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $
#$Revision: 282068 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/00/43/2004306.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_2004306
loop_
_publ_author_name
'Ohashi, Haruo'
'Osawa, Toshikazu'
'Sato, Akira'
_publ_section_title
;
 Low-Density Form of NaGaSi₂O₆
;
_journal_coden_ASTM              ACSCEE
_journal_issue                   12
_journal_name_full
;
 Acta Crystallographica, Section C: Crystal Structure Communications
;
_journal_page_first              2476
_journal_page_last               2477
_journal_paper_doi               10.1107/s010827019500775x
_journal_volume                  51
_journal_year                    1995
_chemical_formula_sum            'Ga Na O6 Si2'
_chemical_formula_weight         244.88
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 107.637(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.5573(5)
_cell_length_b                   8.7019(2)
_cell_length_c                   5.2705(3)
_cell_measurement_temperature    296
_cell_volume                     417.73(4)
_database_code_amcsd             0010305
_exptl_crystal_density_diffrn    3.89
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'Na Ga Si2 O6'
_cod_database_code               2004306
_amcsd_formula_title             NaGaSi2O6
loop_
_space_group_symop_operation_xyz
x,y,z
x,-y,1/2+z
-x,-y,-z
-x,y,1/2-z
1/2+x,1/2+y,z
1/2+x,1/2-y,1/2+z
1/2-x,1/2-y,-z
1/2-x,1/2+y,1/2-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Na 0 0.3005(1) .25 0.0125(3)
Ga 0 0.90189(3) .25 0.00471(5)
Si 0.29116(5) 0.09116(5) 0.2322(1) 0.0043(1)
O1 0.1120(2) 0.0779(1) 0.1334(3) 0.0057(3)
O2 0.3587(2) 0.2588(2) 0.3018(3) 0.0076(3)
O3 0.3527(1) 0.0097(2) 0.0076(2) 0.0068(3)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0010305
