# CIF file
 
data_findsym-output
_audit_creation_method FINDSYM

_chemical_name_mineral ''
_chemical_formula_sum 'Ga As'
 
loop_
_publ_author_name
 'Samuel T. Weir'
 'Yogesh K. Vohra'
 'Craig A. Vanderborgh'
 'Arthur L. Ruoff'
_journal_name_full
;
Physical Review B
;
_journal_volume 39
_journal_year 1989
_journal_page_first 1280
_journal_page_last 1285
_publ_Section_title
;
 Structural phase transitions in GaAs to 108 GPa
;

# Found in  Pearson's Handbook I, p. 1135

_aflow_proto 'AB_oI4_44_a_b'
_aflow_params 'a,b/a,c/a,z1,z2'
_aflow_params_values '4.92,0.973577235772,0.535569105691,0.0,0.425'
_aflow_Strukturbericht 'None'
_aflow_Pearson 'oI4'

_symmetry_space_group_name_Hall "I 2 -2"
_symmetry_space_group_name_H-M "I m m 2"
_symmetry_Int_Tables_number 44

_cell_length_a    4.92000
_cell_length_b    4.79000
_cell_length_c    2.63500
_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,-y,z
3 -x,y,z
4 x,-y,z
5 x+1/2,y+1/2,z+1/2
6 -x+1/2,-y+1/2,z+1/2
7 -x+1/2,y+1/2,z+1/2
8 x+1/2,-y+1/2,z+1/2
 
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
As1 As   2 a 0.00000 0.00000 0.00000  1.00000
Ga1 Ga   2 b 0.00000 0.50000 0.42500  1.00000
