# CIF file 
data_findsym-output
_audit_creation_method FINDSYM

_chemical_name_mineral 'Cl3Hg(NH4)'
_chemical_formula_sum 'Cl3 Hg (NH4)'

loop_
_publ_author_name
 'E. J. Harmsen'
_journal_name_full_name
;
 Zeitschrift f{\"u}r Kristallographie - Crystalline Materials
;
_journal_volume 100
_journal_year 1939
_journal_page_first 208
_journal_page_last 211
_publ_Section_title
;
 The Crystal Structure of NH$_{4}$HgCl$_{3}$
;

# Found in Strukturbericht Band VII 1939, 1943

_aflow_title 'NH$_{4}$HgCl$_{3}$ ($E2_{5}$) Structure'
_aflow_proto 'A3BC_tP5_123_cg_a_d'
_aflow_params 'a,c/a,z_{4}'
_aflow_params_values '4.19,1.89498806683,0.294'
_aflow_Strukturbericht '$E2_{5}$'
_aflow_Pearson 'tP5'

_symmetry_space_group_name_H-M "P 4/m 2/m 2/m"
_symmetry_Int_Tables_number 123
 
_cell_length_a    4.19000
_cell_length_b    4.19000
_cell_length_c    7.94000
_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 -y,-x,-z
6 -y,x,z
7 y,-x,z
8 y,x,-z
9 -x,-y,-z
10 -x,y,z
11 x,-y,z
12 x,y,-z
13 y,x,z
14 y,-x,-z
15 -y,x,-z
16 -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
Hg1 Hg 1 a 0.00000 0.00000 0.00000 1.00000
Cl1 Cl 1 c 0.50000 0.50000 0.00000 1.00000
NH41 NH4 1 d 0.50000 0.50000 0.50000 1.00000
Cl2 Cl 2 g 0.00000 0.00000 0.29400 1.00000