#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 17/09/2018 01:11:57


data_5yOhtAoR
_audit_creation_date            2018-09-17
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "J. Phys.: Condens. Matter"
_citation_journal_volume        2
_citation_page_first            4059
_citation_page_last             4066
_citation_article_id            ?
_citation_year                  1990
_citation_DOI                   10.1088/0953-8984/2/18/003

loop_
_citation_author_name
"R.A. Steeman"
"E. Frikkee"
"S.A.M. Mentink"
"A.A. Menovsky"
"G.J. Nieuwenhuys"
"J.A. Mydosh"




_atomic_positions_source_database_code_ICSD  57472
_atomic_positions_source_other               .

_transition_temperature  35(1)
_experiment_temperature  4.2

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mGM1-  1  1  .  primary  1  .

_exptl_crystal_magnetic_properties_details
;
NPD
see also: Ptasiewicz-Bak et al., Solid State Commun. 55, 601(1985)
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry (6 possible)
1-dim irrep active
;

_parent_space_group.name_H-M_alt  'P 4/n m m'
_parent_space_group.IT_number                       129
_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  'a,b,c;0,0,0'



_space_group_magn.number_BNS  129.419
_space_group_magn.name_BNS  "P 4/n' m' m'"
_cell_length_a             4.19990
_cell_length_b             4.19990
_cell_length_c             9.64560
_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,z,+1
3 y,-x+1/2,z,+1
4 x+1/2,-y,-z,+1
5 -x,y+1/2,-z,+1
6 -x+1/2,-y+1/2,z,+1
7 y+1/2,x+1/2,-z,+1
8 -y,-x,-z,+1
9 -x,-y,-z,-1
10 y+1/2,-x,-z,-1
11 -y,x+1/2,-z,-1
12 -x+1/2,y,z,-1
13 x,-y+1/2,z,-1
14 x+1/2,y+1/2,-z,-1
15 -y+1/2,-x+1/2,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

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
U1 U 0.25000 0.25000 0.74770
Pt1 Pt 0.25000 0.25000 0.37690
Pt2 Pt 0.75000 0.25000 0.00000
Si1 Si 0.25000 0.25000 0.12700
Si2 Si 0.75000 0.25000 0.50000

loop_
_atom_site_moment.label
_atom_site_moment.crystalaxis_x
_atom_site_moment.crystalaxis_y
_atom_site_moment.crystalaxis_z
_atom_site_moment.symmform
U1 0.00000 0.00000 1.67(4) 0,0,mz
