#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 10/10/2020


data_5yOhtAoR
_audit_creation_date            2020-10-10
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "PHYSICAL REVIEW B"
_citation_journal_volume        81
_citation_page_first            ?
_citation_page_last             ?
_citation_article_id            094115
_citation_year                  2010
_citation_DOI                   10.1103/PhysRevB.81.094115

loop_
_citation_author_name
"A. Martinelli"
"A. Palenzona"
"M. Tropeano"
"C. Ferdeghini"
"M. Putti"
"M.R. Cimberle"
"T.D. Nguyen"
"M. Affronte"
"C. Ritter"



_atomic_positions_source_database_code_ICSD  168764
_atomic_positions_source_other               .

_transition_temperature  50
_experiment_temperature  2

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mR1  4  2  special  primary  2  .

_exptl_crystal_magnetic_properties_details
;
NPD
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry (4 possible)
2-dim small irrep along a special direction as primary
The star of the active irrep has two k-vectors.
The positional structure has a monoclinic distortion (space group P2_1/m). This structural distortion takes place simultaneously with the magnetic ordering, and it is consistent with the effective space group of the positional structure resulting from the MSG. It therefore fulfills the symmetry constraints of a magnetic induced structural effect.
;

_parent_space_group.name_H-M_alt  'P 4/n m m'
_parent_space_group.IT_number                       129
_parent_space_group.transform_Pp_abc  'a,b,c;0,0,0'

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

_parent_space_group.child_transform_Pp_abc  '2a,b,2c;0,0,0'
_space_group_magn.transform_BNS_Pp_abc  'c,b,-1/2a+1/2c;0,0,1/4'



_space_group_magn.number_BNS  11.55
_space_group_magn.name_BNS  "P_a 2_1/m"
_cell_length_a             7.6624
_cell_length_b             3.78300
_cell_length_c             12.52860
_cell_angle_alpha          90.00
_cell_angle_beta           89.17
_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+1/2,y+1/2,-z,+1
3 -x+1/2,-y,-z,+1
4 x,-y+1/2,z,+1

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

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Fe1 Fe 0.38080 0.25000 0.00175 1.
Fe2 Fe 0.11450 0.25000 0.35700 0.05
Te1 Te 0.12900 0.25000 0.14000 1.

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
Fe1 0.00000 2.54(2) 0.00000 0,my,0  2.54(2)
Fe2 0.00000 0.00000 0.00000 0,my,0  0.0

