# CIF file 

data_findsym-output
_audit_creation_method FINDSYM

_chemical_name_mineral 'zeta silver zinc'
_chemical_formula_sum 'Ag2 Zn'
 
loop_
_publ_author_name
 'Gunnar Bergman'
 'Robert W. Jaross'
_journal_name_full
;
Acta Crystallographica
;
_journal_volume 8
_journal_year 1955
_journal_page_first 232
_journal_page_last 235
_publ_Section_title
;
 On the Crystal Structure of the $ζ$ Phase in the Silver-Zinc System and the Mechanism of the $β-ζ$ Transformation
;

_aflow_proto 'A2B_hP9_147_g_ad' 
_aflow_params 'a,c/a,z2,x3,y3,z3' 
_aflow_params_values '7.636,0.369264012572,0.25,0.33333,0.0,0.25' 
_aflow_Strukturbericht 'B_b' 
_aflow_Pearson 'hP9' 

_symmetry_space_group_name_Hall "-P 3"
_symmetry_space_group_name_H-M "P -3"
_symmetry_Int_Tables_number 147

_cell_length_a    7.63600
_cell_length_b    7.63600
_cell_length_c    2.81970
_cell_angle_alpha 90.00000
_cell_angle_beta  90.00000
_cell_angle_gamma 120.00000
 
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 -y,x-y,z
3 -x+y,-x,z
4 -x,-y,-z
5 y,-x+y,-z
6 x-y,x,-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
Zn1 Zn   1 a 0.00000 0.00000 0.00000 1.00000
Zn2 Zn   2 d 0.33333 0.66667 0.25000 1.00000
Ag1 Ag   6 g 0.33333 0.00000 0.25000 1.00000
