data_global
_chemical_name_mineral 'Alarsite'
loop_
_publ_author_name
'Sowa H'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 194 
_journal_year 1991
_journal_page_first 291
_journal_page_last 304
_publ_section_title
;
 The crystal structure of AlAsO4 at high pressure
 Note: P = 0 GPa, in the diamond anvil cell
;
_database_code_amcsd 0011001
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Al As O4'
_cell_length_a 5.030
_cell_length_b 5.030
_cell_length_c 11.234
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 246.151
_exptl_crystal_density_diffrn      3.358
_symmetry_space_group_name_H-M 'P 31 2 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'y,x,-z'
  '-y,x-y,1/3+z'
  '-x,-x+y,1/3-z'
  '-x+y,-x,2/3+z'
  'x-y,-y,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Al   0.45840   0.00000   0.33333   0.00870
As   0.45760   0.00000   0.83333   0.00750
O1   0.40600   0.29600   0.38640   0.01520
O2   0.40100   0.28400   0.88030   0.01490