data_9011694
_publ_section_title
;
 Pressure-induced phase transitions in AgCl, AgBr, and AgI
 Sample: P =  0.0 GPa, Phase II
;
_journal_name_full               'Physical Review B'
_journal_page_first              750
_journal_page_last               761
_journal_paper_doi               10.1103/PhysRevB.59.750
_journal_volume                  59
_journal_year                    1999
_chemical_formula_structural     AgI
_chemical_formula_sum            'Ag I'
_space_group_IT_number           186
_symmetry_space_group_name_Hall  'P 6c -2c'
_symmetry_space_group_name_H-M   'P 63 m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   4.599
_cell_length_b                   4.599
_cell_length_c                   7.524
_cell_volume                     137.818
_diffrn_ambient_pressure         0
_exptl_crystal_density_diffrn    5.657
_cod_database_code               9011694
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-x+y,1/2+z
x-y,x,1/2+z
-y,-x,z
-y,x-y,z
x-y,-y,1/2+z
-x,-y,1/2+z
x,x-y,z
-x+y,-x,z
y,x,1/2+z
y,-x+y,1/2+z
-x+y,y,z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ag 0.00000 0.00000 0.00000 0.11272
I 0.00000 0.00000 0.33500 0.07346
