#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 26/04/2020

data_5yOhtAoR
_audit_creation_date            2020-04-26
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "PHYSICAL REVIEW B"
_citation_journal_volume        94
_citation_page_first            ?
_citation_page_last             ?
_citation_article_id            094411
_citation_year                  2016
_citation_DOI                   10.1103/PhysRevB.94.094411

loop_
_citation_author_name
"S. Nandi"
"Y. Xiao"
"N. Qureshi"
"U.B. Paramanik"
"W.T. Jin"
"Y. Su"
"B. Ouladdiaf"
"Z. Hossain"
"T. Bruckel"



_atomic_positions_source_database_code_ICSD  .
_atomic_positions_source_other               .

_transition_temperature  21
_experiment_temperature  2

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mGM2-  1  1  .  primary  2  .
mGM3+  1  1  .  primary  1  .

_exptl_crystal_magnetic_properties_details
;
NSD
Cr moments order below 680(40)K. Below 21K the Eu order according to a different (FM) irrep with a further symmetry breaking.
;

_active_magnetic_irreps_details
;
1k magnetic structure
two irreps involved as primary, one for Cr and another for Eu
FM along c
;

_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 [0 0 0]

_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  119.319
_space_group_magn.name_BNS  "I -4 m' 2'"
_cell_length_a             3.863(2)
_cell_length_b             3.863
_cell_length_c             12.867(4)
_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,z,+1
3 y,-x,-z,+1
4 -y,x,-z,+1
5 y,x,-z,-1
6 -y,-x,-z,-1
7 -x,y,z,-1
8 x,-y,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+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
Eu1 Eu 0.00000 0.00000 0.00000
Cr1_1 Cr 0.00000 0.50000 0.25000
Cr1_2 Cr  0.50000 0.00000 0.25000
As1 As 0.00000 0.00000 0.368(3)

loop_
_atom_site_moment.label
_atom_site_moment.crystalaxis_x
_atom_site_moment.crystalaxis_y
_atom_site_moment.crystalaxis_z
_atom_site_moment.symmform
Eu1 0.00000 0.00000 6.2(5) 0,0,mz
Cr1_1 0.00000 0.00000 1.7(4) 0,0,mz
Cr1_2 0.00000 0.00000 -1.7 0,0,mz


