#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 21/04/2020

data_5yOhtAoR
_audit_creation_date            2020-04-21
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "Solid State Communications"
_citation_journal_volume        5
_citation_page_first            293
_citation_page_last             298
_citation_article_id            ?
_citation_year                  1967
_citation_DOI                   10.1016/0038-1098(67)90276-1

loop_
_citation_author_name
"E. Bertaut"
"J. Chappert"
"J. Mareschal"
"J. Rebouillat"
"J. Sivardiere"



_atomic_positions_source_database_code_ICSD  22311
_atomic_positions_source_other               .

_transition_temperature  8.4
_experiment_temperature  4.2

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mGM2+ 1  1  .  primary  5  .

_exptl_crystal_magnetic_properties_details
;
NPD
Position structure from a determination at higher temperature
Non-standard setting Pbnm of the parent space group
Above 8.4K up to 681K only Fe moments are ordered in a different phase (see #0.351). Below 3.1K a third phase is reported (see #0.353)
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry (8 possible)
1-dim irrep as primary
Irrep label corresponds to standard setting Pnma of the parent space group
;

_parent_space_group.name_H-M_alt  'P b n m'
_parent_space_group.IT_number                       62
_parent_space_group.transform_Pp_abc  '-b,-c,a;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  '-b,-c,a;0,0,0'



_space_group_magn.number_BNS  62.446
_space_group_magn.name_BNS  "P n' m' a"
_cell_length_a             5.32600
_cell_length_b             5.60200
_cell_length_c             7.63500
_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+1/2,-y+1/2,-z,+1
3 -x,-y,-z,+1
4 -x+1/2,y+1/2,z,+1
5 -x+1/2,y+1/2,-z+1/2,-1
6 -x,-y,z+1/2,-1
7 x+1/2,-y+1/2,z+1/2,-1
8 x,y,-z+1/2,-1

loop_
_space_group_symop_magn_centering.id
_space_group_symop_magn_centering.xyz
1 x,y,z,+1

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe1 Fe 0.00000 0.50000 0.00000
Tb1 Tb 0.9815 0.066 0.25000
O1 O 0.61000 0.04200 0.75000
O2 O 0.69200 0.30600 0.05300

loop_
_atom_site_moment.label
_atom_site_moment.crystalaxis_x
_atom_site_moment.crystalaxis_y
_atom_site_moment.crystalaxis_z
_atom_site_moment.symmform
Fe1 0.0 0.0 4.8 mx,my,mz
Tb1 2.4 1.9 0.0 mx,my,0


