#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 02/03/2021 

data_5yOhtAoR
_audit_creation_date            2021-03-02
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "Solid State Communications"
_citation_journal_volume        45
_citation_page_first            209
_citation_page_last             213
_citation_article_id            .
_citation_year                  1983
_citation_DOI                   10.1016/0038-1098(83)90378-2

loop_
_citation_author_name
"V.N. Nguyen"
"F. Tcheou"
"J. Rossat-Mignod"
"R. Ballestracci"

_atomic_positions_source_database_code_ICSD  76740
_atomic_positions_source_other               .

_transition_temperature  13(1)
_experiment_temperature  4.2

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mM3+  1  1  .  primary  1  .

_exptl_crystal_magnetic_properties_details
;
NPD
Position structure from a determination at 300K
See #1.514 for another determination of this structure at the same temperature, where the Ho moment magnitude is quite different.
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry
1-dim irrep as primary
;

_parent_space_group.name_H-M_alt  'I 4/m m m'
_parent_space_group.IT_number                       139
_parent_space_group.transform_Pp_abc  'a,b,c;0,0,0'

loop_
_parent_propagation_vector.id
_parent_propagation_vector.kxkykz
k1 [1 1 1]

_parent_space_group.child_transform_Pp_abc  'a,b,c;0,0,0'
_space_group_magn.transform_BNS_Pp_abc  'a,b,c;0,0,0'


_space_group_magn.number_BNS  128.410
_space_group_magn.name_BNS  "P_I 4/m n c"
_cell_length_a             3.88700
_cell_length_b             3.88700
_cell_length_c             9.68800
_cell_angle_alpha          90.00
_cell_angle_beta           90.00
_cell_angle_gamma          90.00

loop_
_space_group_symop_magn_operation.id
_space_group_symop_magn_operation.xyz
1 x,y,z,+1 
2 -y,x,z,+1 
3 y,-x,z,+1 
4 x+1/2,-y+1/2,-z+1/2,+1 
5 -x+1/2,y+1/2,-z+1/2,+1 
6 -x,-y,z,+1 
7 y+1/2,x+1/2,-z+1/2,+1 
8 -y+1/2,-x+1/2,-z+1/2,+1 
9 -x,-y,-z,+1 
10 y,-x,-z,+1 
11 -y,x,-z,+1 
12 -x+1/2,y+1/2,z+1/2,+1 
13 x+1/2,-y+1/2,z+1/2,+1 
14 x,y,-z,+1 
15 -y+1/2,-x+1/2,z+1/2,+1 
16 y+1/2,x+1/2,z+1/2,+1 

loop_
_space_group_symop_magn_centering.id
_space_group_symop_magn_centering.xyz
1 x,y,z,+1 
2 x+1/2,y+1/2,z+1/2,-1 

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Co1 Co 0.00000 0.50000 0.25000
Ho1 Ho 0.00000 0.00000 0.00000
Si1 Si 0.00000 0.00000 0.37100

loop_
_atom_site_moment.label
_atom_site_moment.crystalaxis_x
_atom_site_moment.crystalaxis_y
_atom_site_moment.crystalaxis_z
_atom_site_moment.symmform
_atom_site_moment.magnitude
Ho1 0.00000 0.00000 8.1(2) 0,0,mz 8.1(2)

