#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 24/04/2021

data_5yOhtAoR
_audit_creation_date            2021-04-24
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "J. Appl. Phys."
_citation_journal_volume        39
_citation_page_first            461
_citation_page_last             .
_citation_article_id            .
_citation_year                  1968
_citation_DOI                   10.1063/1.2163480

loop_
_citation_author_name
"L. M. Corliss"
"J. M. Hastings"

_atomic_positions_source_database_code_ICSD  171198
_atomic_positions_source_other               .

_temperature_position_structure         157
_temperature_atom_positions             .              
_temperature_non-magn_atom_positions    .
_temperature_cell_parameters            .

_transition_temperature  325
_experiment_temperature  77

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mX4+ 2  1  .  primary  1  .

_exptl_crystal_magnetic_properties_details
;
NPD
Position structure used here from another work at 157K
Below 74K another commensurate structure is observed (see #1.559) and also an intermediate incommensurate structure is mentioned.
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry
1-dim small irrep as primary
The active irrep has two k-vectors in its star. Possible alternative 2k orderings were not considered
;

_parent_space_group.name_H-M_alt  'I 4/m c m'
_parent_space_group.IT_number                       140
_parent_space_group.transform_Pp_abc  'a,b,c;0,0,0'

loop_
_parent_propagation_vector.id
_parent_propagation_vector.kxkykz
k1 [1/2 1/2 0]

_parent_space_group.child_transform_Pp_abc  '2a,2b,c;0,0,0'
_space_group_magn.transform_BNS_Pp_abc  '-c,-1/2a+1/2b,1/2a+1/2b;0,0,0'

_space_group_magn.number_BNS  68.520
_space_group_magn.name_BNS  "C_A c c a"
_cell_length_a             13.28760
_cell_length_b             13.28760
_cell_length_c             5.42060
_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 -x,-y+1/2,z,+1 
3 -y+1/4,-x+1/4,-z,+1 
4 y+3/4,x+1/4,-z,+1 
5 -x+3/4,-y+1/4,-z+1/2,+1 
6 x+1/4,y+1/4,-z+1/2,+1 
7 y,x+1/2,z+1/2,+1 
8 -y,-x,z+1/2,+1 

loop_
_space_group_symop_magn_centering.id
_space_group_symop_magn_centering.xyz
1 x,y,z,+1 
2 x+1/4,y+3/4,z+1/2,+1 
3 x+1/2,y+1/2,z,+1 
4 x+3/4,y+1/4,z+1/2,+1 
5 x,y+1/2,z,-1 
6 x+1/4,y+1/4,z+1/2,-1 
7 x+1/2,y,z,-1 
8 x+3/4,y+3/4,z+1/2,-1 

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mn1 Mn 0.00000 0.00000 0.25000
Sn1_1 Sn 0.08071 0.33071 0.00000
Sn1_2 Sn  0.16929 0.08071 0.00000

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
Mn1 1.67 1.67 0.00000 mx,mx,0  2.36

