#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 26/10/2020

data_5yOhtAoR
_audit_creation_date            2020-10-26
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "phys. stat. sol. (a)"
_citation_journal_volume        86
_citation_page_first            295
_citation_page_last             300
_citation_article_id            ?
_citation_year                  1984
_citation_DOI                   10.1002/pssa.2210860132

loop_
_citation_author_name
"D. Gignoux"
"J.C. Gomez-Sal"
"J.R. Fernandez"



_atomic_positions_source_database_code_ICSD  103291
_atomic_positions_source_other               .

_transition_temperature  9
_experiment_temperature  4.2

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mX2  2  2  special  primary  8  .

_exptl_crystal_magnetic_properties_details
;
NPD
Position structure from a determination at 77K
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry (4 possible)
2-dim irrep along a special direction as primary
Polar along z
;

_parent_space_group.name_H-M_alt  'P n m a'
_parent_space_group.IT_number                       62
_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 0]

_parent_space_group.child_transform_Pp_abc  '2a,b,c;0,0,0'
_space_group_magn.transform_BNS_Pp_abc  'a,b,c;1/8,0,0'



_space_group_magn.number_BNS  33.149
_space_group_magn.name_BNS  "P_a n a 2_1"
_cell_length_a             14.07400
_cell_length_b             4.70500
_cell_length_c             8.66800
_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+1/4,-y,z+1/2,+1
3 -x+3/4,y+1/2,z+1/2,+1
4 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

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Er1_1 Er 0.43000 0.25000 0.08000
Er1_2 Er  0.57000 0.75000 0.92000
Er2_1 Er 0.49400 0.25000 0.67100
Er2_2 Er  0.50600 0.75000 0.32900
Pt1_1 Pt 0.12400 0.25000 0.09400
Pt1_2 Pt  0.87600 0.75000 0.90600

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
Er1_1 4.8 0.00000 -2.9 mx,0,mz  5.6
Er1_2 -4.8 0.00000 2.9 mx,0,mz  5.6
Er2_1 3.0 0.00000 5.2 mx,0,mz   6.0
Er2_2 -3.0 0.00000 5.2 mx,0,mz  6.0

