#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 07/11/2020


data_5yOhtAoR
_audit_creation_date            2020-11-07
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "PHYSICAL REVIEW B"
_citation_journal_volume        98
_citation_page_first            ?
_citation_page_last             ?
_citation_article_id            134416
_citation_year                  2018
_citation_DOI                   10.1103/PhysRevB.98.134416

loop_
_citation_author_name
"J. Liu"
"J. Wang"
"J. Sheng"
"F. Ye"
"K.M. Taddei"
"J.A. Fernandez-Baca"
"W. Luo"
"G.-A. Sun"
"Z.-C. Wang"
"H. Jiang"
"G.-H. Cao"
"W. Bao"



_atomic_positions_source_database_code_ICSD  .
_atomic_positions_source_other               .

_transition_temperature  590
_experiment_temperature  300

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mM4+  1  1  .  primary  1  .

_exptl_crystal_magnetic_properties_details
;
NPD
Only Cr2 moments are ordered. The Cr1 moments become ordered at a lower temperature (291K), according to another irrep, with a different propagation vector, which also produces a flip of the orientation of the Cr2 moments.
;

_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  136.506
_space_group_magn.name_BNS  "P_I 4_2/m n m"
_cell_length_a             4.00671(6)
_cell_length_b             4.00671
_cell_length_c             18.8310(5)
_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+1/2,x+1/2,z+1/2,+1
3 y+1/2,-x+1/2,z+1/2,+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,x,-z,+1
8 -y,-x,-z,+1
9 -x,-y,-z,+1
10 y+1/2,-x+1/2,-z+1/2,+1
11 -y+1/2,x+1/2,-z+1/2,+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,-x,z,+1
16 y,x,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
Sr1 Sr 0.00000 0.00000 0.4125(2)
As1 As 0.00000 0.00000 0.8298(2)
Cr1 Cr 0.00000 0.00000 0.00000
Cr2 Cr 0.00000 0.50000 0.25000
O1 O 0.00000 0.50000 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
Cr1 0.00000 0.00000 0.00000 0,0,0    0.0
Cr2 0.00000 0.00000 1.97(4) 0,0,mz   1.97(4)

