#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 14/08/2019

data_5yOhtAoR
_audit_creation_date            2019-08-14
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "Phys. Rev. Lett."
_citation_journal_volume        119
_citation_page_first            ?
_citation_page_last             ?
_citation_article_id            187201
_citation_year                  2017
_citation_DOI                   10.1103/PhysRevLett.119.187201

loop_
_citation_author_name
"A. Hallas"
"J. Gaudet"
"N. Butch"
"G. Xu"
"M. Tachibana"
"C. Wiebe"
"G. Luke"
"B. Gaulin"




_atomic_positions_source_database_code_ICSD  .
_atomic_positions_source_other               .

_transition_temperature  0.38
_experiment_temperature  0.06

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mGM5+  3  3  special  primary  1  .

_exptl_crystal_magnetic_properties_details
;
NPD
No positional structure reported. Cell parameter from a room temperature measurement.
Atomic positions of non-magnetic atoms having free parameters are here only approximate (taken from the Er2Sn2O7 room temperature structure (icsd 84749).
A similar structure has been reported for Er2Sn2O7 (Phys. Rev. Lett. (2017)119,187202). See (#0.237)
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry (5 possible)
3-dim irrep active along a special direction
;

_parent_space_group.name_H-M_alt  'F d -3 m'
_parent_space_group.IT_number                       227
_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  '1/2a-1/2b,1/2a+1/2b,c;1/4,1/4,0'



_space_group_magn.number_BNS  141.555
_space_group_magn.name_BNS  "I 4_1'/a m d'"
_cell_length_a             10.13
_cell_length_b             10.13
_cell_length_c             10.13
_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
3 y+1/4,x+1/4,-z,+1
4 -x+3/4,-y+3/4,z,+1
5 -x+1/2,-y+1/2,-z,+1
6 y,x,z,+1
7 -y+3/4,-x+3/4,z,+1
8 x+1/4,y+1/4,-z,+1
9 -y,x+1/4,z+1/4,-1
10 y+3/4,-x+1/2,z+1/4,-1
11 x+1/2,-y+1/4,-z+3/4,-1
12 -x+3/4,y,-z+3/4,-1
13 y+1/2,-x+1/4,-z+3/4,-1
14 -y+3/4,x,-z+3/4,-1
15 -x,y+1/4,z+1/4,-1
16 x+3/4,-y+1/2,z+1/4,-1

loop_
_space_group_symop_magn_centering.id
_space_group_symop_magn_centering.xyz
1 x,y,z,+1
2 x,y+1/2,z+1/2,+1
3 x+1/2,y,z+1/2,+1
4 x+1/2,y+1/2,z,+1

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Er1 Er 0.50000 0.50000 0.50000
Sn1 Sn 0.00000 0.00000 0.00000
O1_1 O 0.33750 0.12500 0.12500
O1_2 O  0.12500 0.12500 0.33750
O2 O 0.37500 0.37500 0.37500

loop_
_atom_site_moment.label
_atom_site_moment.crystalaxis_x
_atom_site_moment.crystalaxis_y
_atom_site_moment.crystalaxis_z
_atom_site_moment.symmform
Er1 -3.4(2) 3.4 0.0 mx,-mx,0
