# CIF file 

data_findsym-output
_audit_creation_method FINDSYM

_chemical_name_mineral 'Antimony trioxide'
_chemical_formula_sum 'Sb2 O3'
 
loop_
_publ_author_name
 'C. Svensson'
_journal_name_full
;
Acta Crystallographica B
;
_journal_volume 30
_journal_year 1974
_journal_page_first 458
_journal_page_last 461
_publ_Section_title
;
 The crystal structure of orthorhombic antimony trioxide, Sb$_2$O$_3$
;
# Found in AMS Database

_aflow_proto 'A3B2_oP20_56_ce_e' 
_aflow_params 'a,b/a,c/a,z1,x2,y2,z2,x3,y3,z3' 
_aflow_params_values '4.911,2.53797597231,1.10201588271,0.029,0.147,0.058,0.861,0.044,0.128,0.179' 
_aflow_Strukturbericht 'D5_11' 
_aflow_Pearson 'oP20' 

_symmetry_space_group_name_Hall "-P 2ab 2ac"
_symmetry_space_group_name_H-M "P c c n"
_symmetry_Int_Tables_number 56

_cell_length_a    4.91100
_cell_length_b    12.46400
_cell_length_c    5.41200
_cell_angle_alpha 90.00000
_cell_angle_beta  90.00000
_cell_angle_gamma 90.00000
 
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 x+1/2,-y,-z+1/2
3 -x,y+1/2,-z+1/2
4 -x+1/2,-y+1/2,z
5 -x,-y,-z
6 -x+1/2,y,z+1/2
7 x,-y+1/2,z+1/2
8 x+1/2,y+1/2,-z
 
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
O1  O    4 c 0.25000 0.25000 0.02900 1.00000
O2  O    8 e 0.14700 0.05800 0.86100 1.00000
Sb1 Sb   8 e 0.04400 0.12800 0.17900 1.00000
