#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 23/05/2020


data_5yOhtAoR
_audit_creation_date            2020-05-23
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "PHYSICAL REVIEW B"
_citation_journal_volume        41
_citation_page_first            1926
_citation_page_last             1933
_citation_article_id            ?
_citation_year                  1990
_citation_DOI                   10.1103/PhysRevB.41.1926

loop_
_citation_author_name
"D. Vaknin"
"S.K. Sinha"
"C. Stassis"
"L.L. Miller"
"D.C. Johnston"



_atomic_positions_source_database_code_ICSD  67067
_atomic_positions_source_other               .

_transition_temperature  251(5)
_experiment_temperature  10

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mX3+  2  1  special  primary 1  .

_exptl_crystal_magnetic_properties_details
;
NSD
Position structure from a room temperature model retrieved from ICSD
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry (3 possible)
1-dim small irrep as primary.
The irrep has two k-vectors, and only one is involved. The possibility that the data could also be fitted by a non-collinear tetragonal model with the two k-vectors of the irrep being involved does not seem to have been considered.
;

_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 [1/2 1/2 0]

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



_space_group_magn.number_BNS  64.480
_space_group_magn.name_BNS  "C_A m c a"
_cell_length_a             5.6167
_cell_length_b             5.6167
_cell_length_c             15.6126
_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 -x+1/2,-y+1/2,z,+1
4 -x+1/2,y+1/2,-z,+1
5 -x,-y,-z,+1
6 -x,y,z,+1
7 x+1/2,y+1/2,-z,+1
8 x+1/2,-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+1/2,y+1/2,z,-1
4 x,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 0.39259
Cu1 Cu 0.00000 0.00000 0.00000
O1 O 0.75000 0.25000 0.00000
Cl1 Cl 0.00000 0.00000 0.18309

loop_
_atom_site_moment.label
_atom_site_moment.crystalaxis_x
_atom_site_moment.crystalaxis_y
_atom_site_moment.crystalaxis_z
_atom_site_moment.symmform
Cu1 0.34(4) 0.00000 0.00000 mx,0,0

