#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 07/05/2022

data_5yOhtAoR
_audit_creation_date            2022-07-05
_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                    "Ho2 Ni2 Pb"
_chemical_formula_weight                 ?
_chemical_melting_point                  ?
_chemical_compound_source                ?
_chemical_absolute_configuration         ?


_citation_journal_abbrev        "Eur. Phys. J. B"
_citation_journal_volume        43
_citation_page_first            163
_citation_page_last             174
_citation_article_id            .
_citation_year                  2005
_citation_DOI                   10.1140/epjb/e2005-00039-1

loop_
_citation_author_name
"K. Prokes"
"E. Munoz Sandoval"
"A. D. Chinchure"
"J. A. Mydosh"

_temperature_position_structure         .
_temperature_atom_positions             .
_temperature_non-magn_atom_positions    .
_temperature_cell_parameters            .

_atomic_positions_source_database_code_ICSD  153375
_atomic_positions_source_other               .

_transition_temperature     7.0
_experiment_temperature     5.0

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mSM4(k1) 2 1 special primary 1 .
mSM4(K2) 2 1 special secondary 1 yes
mGM2+ 1 1 . secondary 1 yes

_exptl_crystal_magnetic_properties_details
;
NPD and NSD
FM along z
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry
2-dim irrep along a special direction (special phase of the sinusoidal wave) as primary irrep
Two secondary irreps for the 3k and 5k (odd harmonics in the modulation) are also present in the model.
;

_parent_space_group.name_H-M_alt  'C m m m'
_parent_space_group.IT_number                       65
_parent_space_group.transform_Pp_abc  'a,b,c;0,0,0'

loop_
_parent_propagation_vector.id
_parent_propagation_vector.kxkykz
k1 [2/5 0 0]
k2 [4/5 0 0]
k3 [0 0 0]

_parent_space_group.child_transform_Pp_abc  '5a,b,c;0,0,0'
_space_group_magn.transform_BNS_Pp_abc  'a,b,c;1/10,1/2,0'

_space_group_magn.number_BNS  65.485
_space_group_magn.name_BNS  "C m' m' m"
_space_group_magn.point_group_name  "m'm'm"
_space_group_magn.point_group_number  "8.4.27"
_cell_length_a                 20.012
_cell_length_b                 13.902(3)
_cell_length_c                 3.6122(8)
_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+1/5,-y,z,+1 
3 -x+1/5,-y,-z,+1 
4 x,y,-z,+1 
5 x,-y,-z,-1 
6 -x+1/5,y,-z,-1 
7 -x+1/5,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
Ho1_1 Ho 0.00000 0.36520 0.50000 1
Ho1_2 Ho 0.10000 0.86520 0.50000 1
Ho1_3 Ho 0.30000 0.86520 0.50000 1
Ni1_1 Ni 0.00000 0.19990 0.00000 1
Ni1_2 Ni 0.10000 0.69990 0.00000 1
Ni1_3 Ni 0.30000 0.69990 0.00000 1
Pb1_1 Pb 0.00000 0.00000 0.00000 1
Pb1_2 Pb 0.10000 0.50000 0.00000 1
Pb1_3 Pb 0.30000 0.50000 0.00000 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
Ho1_1 0.0 0.0 5.4(2) 0,0,mz 5.4(2) ? ?
Ho1_2 0.0 0.0 8.1(2) 0,0,mz 8.1(2) ? ?
Ho1_3 0.0 0.0 -8.1(2) 0,0,mz 8.1(2) ? ?

