# CIF file 

data_findsym-output
_audit_creation_method FINDSYM

_chemical_name_mineral 'Frank-Kasper $μ$ Phase'
_chemical_formula_sum 'Fe7 W6'
 
loop_
_publ_author_name
 'H. Arnfelt'
_journal_name_full
;
Jernkontorets Annaler
;
_journal_volume 119
_journal_year 1935
_journal_page_first 185
_journal_page_last 187
_publ_Section_title
;
 Crystal Structure of Fe$_7$W$_6$
;

# Found in  Pearson's Handbook, Vol. III, pp. 3415

_aflow_proto 'A7B6_hR13_166_ah_3c' 
_aflow_params 'a,c/a,x2,x3,x4,x5,z5' 
_aflow_params_values '4.757,5.4319949548,0.167,0.346,0.448,0.09,0.59001' 
_aflow_Strukturbericht 'D8_5' 
_aflow_Pearson 'hR13' 

_symmetry_space_group_name_Hall "-R 3 2"
_symmetry_space_group_name_H-M "R -3 m:H"
_symmetry_Int_Tables_number 166

_cell_length_a    4.75700
_cell_length_b    4.75700
_cell_length_c    25.84000
_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 y,x,-z
5 -x,-x+y,-z
6 x-y,-y,-z
7 -x,-y,-z
8 y,-x+y,-z
9 x-y,x,-z
10 -y,-x,z
11 x,x-y,z
12 -x+y,y,z
13 x+1/3,y+2/3,z+2/3
14 -y+1/3,x-y+2/3,z+2/3
15 -x+y+1/3,-x+2/3,z+2/3
16 y+1/3,x+2/3,-z+2/3
17 -x+1/3,-x+y+2/3,-z+2/3
18 x-y+1/3,-y+2/3,-z+2/3
19 -x+1/3,-y+2/3,-z+2/3
20 y+1/3,-x+y+2/3,-z+2/3
21 x-y+1/3,x+2/3,-z+2/3
22 -y+1/3,-x+2/3,z+2/3
23 x+1/3,x-y+2/3,z+2/3
24 -x+y+1/3,y+2/3,z+2/3
25 x+2/3,y+1/3,z+1/3
26 -y+2/3,x-y+1/3,z+1/3
27 -x+y+2/3,-x+1/3,z+1/3
28 y+2/3,x+1/3,-z+1/3
29 -x+2/3,-x+y+1/3,-z+1/3
30 x-y+2/3,-y+1/3,-z+1/3
31 -x+2/3,-y+1/3,-z+1/3
32 y+2/3,-x+y+1/3,-z+1/3
33 x-y+2/3,x+1/3,-z+1/3
34 -y+2/3,-x+1/3,z+1/3
35 x+2/3,x-y+1/3,z+1/3
36 -x+y+2/3,y+1/3,z+1/3
 
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
Fe1 Fe   3 a 0.00000 0.00000 0.00000 1.00000
W1  W    6 c 0.00000 0.00000 0.16700 1.00000
W2  W    6 c 0.00000 0.00000 0.34600 1.00000
W3  W    6 c 0.00000 0.00000 0.44800 1.00000
Fe2 Fe  18 h 0.83333 0.16667 0.25667 1.00000
