data_9009691
_chemical_name 'Claudetite II'
loop_
_publ_author_name
'Pertlik F'
_journal_name_full "Monatshefte fur Chemie"
_journal_volume 106
_journal_year 1975
_journal_page_first 755
_journal_page_last 762
_publ_section_title
;
 Die kristallstruktur der monoklinen form von As2O3 (Claudetit II)
 Locality: synthetic
;
_chemical_formula_sum 'As2 O3'
_cell_length_a 7.990
_cell_length_b 4.645
_cell_length_c 9.115
_cell_angle_alpha 90
_cell_angle_beta 78.3
_cell_angle_gamma 90
_cell_volume 331.261
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
As1   0.61630   0.83110   0.30130
As2   0.18410   0.29200   0.37170
O1   0.67700   0.45900   0.29100
O2   0.23800   0.14000   0.18400
O3   0.96600   0.34900   0.36700