data_global
_amcsd_formula_title 'NaGaSi2O6'
loop_
_publ_author_name
'Nestola F'
'Rotiroti N'
'Bruno M'
'Tribaudino M'
'van Smaalen S'
'Ohashi H'
'Redhammer G J'
_journal_name_full 'American Mineralogist'
_journal_volume 92 
_journal_year 2007
_journal_page_first 560
_journal_page_last 569
_publ_section_title
;
 Low-temperature behavior of NaGaSi2O6
 Sample: T = 295 K
;
_database_code_amcsd 0004307
_chemical_formula_sum 'Na Ga Si2 O6'
_cell_length_a 9.5531
_cell_length_b 8.6983
_cell_length_c 5.2684
_cell_angle_alpha 90
_cell_angle_beta 107.629
_cell_angle_gamma 90
_cell_volume 417.222
_exptl_crystal_density_diffrn      3.898
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Na   0.00000   0.30038   0.25000   0.01080
Ga   0.00000   0.90189   0.25000   0.00348
Si   0.29116   0.09112   0.23220   0.00314
O1   0.11188   0.07804   0.13365   0.00440
O2   0.35874   0.25894   0.30170   0.00620
O3   0.35265   0.00957   0.00787   0.00550