#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 10/22/2022

data_5yOhtAoR
_audit_creation_date            2022-10-22
_audit_creation_method          "Bilbao Crystallographic Server"

_chemical_name_systematic
;
;
_chemical_name_common                    ?
_chemical_formula_moiety                 ?
_chemical_formula_structural             ?
_chemical_formula_analytical             ?
_chemical_formula_iupac                  ?
_chemical_formula_sum                    "Tb1 Ni1 Si2"
_chemical_formula_weight                 ?
_chemical_melting_point                  ?
_chemical_compound_source                ?
_chemical_absolute_configuration         ?


_citation_journal_abbrev        "Journal of the Less-Common Metals"
_citation_journal_volume        171
_citation_page_first            321
_citation_page_last             327
_citation_article_id            .
_citation_year                  1991
_citation_DOI                   10.1016/0022-5088(91)90154-V

loop_
_citation_author_name
"P. Schobinger-Papamantellos"
"K. H. J. Buschow"

_temperature_position_structure         .
_temperature_atom_positions             .
_temperature_non-magn_atom_positions    .
_temperature_cell_parameters            .

_atomic_positions_source_database_code_ICSD  54298
_atomic_positions_source_other               .

_transition_temperature     36.2
_experiment_temperature     8

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mGM3- 1 1 . primary 1 .

_exptl_crystal_magnetic_properties_details
;
NPD
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry
1-dim irrep
;

_parent_space_group.name_H-M_alt  'C m c m'
_parent_space_group.IT_number                       63
_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  63.459
_space_group_magn.name_BNS  "C m' c m"
_space_group_magn.point_group_name  "m'mm"
_space_group_magn.point_group_number  "8.3.26"
_cell_length_a                 3.9937(1)
_cell_length_b                 16.4114(6)
_cell_length_c                 3.9606(1)
_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,-y,z+1/2,+1 
4 x,y,-z+1/2,+1 
5 -x,y,-z+1/2,-1 
6 -x,-y,z+1/2,-1 
7 -x,-y,-z,-1 
8 -x,y,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+1/2,z,+1 

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ni1 Ni 0.00000 0.3219(1) 0.25000 1
Si1 Si 0.00000 0.4590(3) 0.25000 1
Si2 Si 0.00000 0.7493(3) 0.25000 1
Tb1 Tb 0.00000 0.1063(1) 0.25000 1

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
_atom_site_moment.spherical_azimuthal
_atom_site_moment.spherical_polar
Tb1 0.0 0.0 8.70(4) 0,0,mz 8.70(4) ? ?

