#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 03/31/2026 21:21:40

data_5yOhtAoR
_audit_creation_date            2026-03-31
_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                    "Dy1 Ni1 Al1 Ge2"
_chemical_formula_weight                 ?
_chemical_melting_point                  ?
_chemical_compound_source                ?
_chemical_absolute_configuration         ?


_citation_journal_abbrev        "PHYSICAL REVIEW MATERIALS"
_citation_journal_volume        9
_citation_page_first            .
_citation_page_last             .
_citation_article_id            114402
_citation_year                  2025
_citation_DOI                   10.1103/p44f-rl47

loop_
_citation_author_name
"HengHeng Wu"
"Weijun Ren"
"Stuart Calder"
"Qiang Zhang"
"Fei Gao"
"Meng An"
"Bing Li"
"Zhidong Zhang"

_temperature_position_structure         ?
_temperature_atom_positions             ?
_temperature_non-magn_atom_positions    ?
_temperature_cell_parameters            ?

_atomic_positions_source_database_code_ICSD  .
_atomic_positions_source_other               .

_transition_temperature     9
_experiment_temperature     1.5

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mT3- 2 2 special primary 1 .

_exptl_crystal_magnetic_properties_details
;
NPD
Two models with different MSG, depending on the orientation of the spins on the xy plane, fit the data similarly. This is one of them. See entry #1.868 for the other one.
The MSG of theis does not allow a secondary irrep component as the other one. 
;

_active_magnetic_irreps_details
;
1k magnetic structure
2-dim irrep along a special direction as primary
;

_parent_space_group.name_H-M_alt  'R -3 m'
_parent_space_group.IT_number                       166
_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,2c;0,0,0'
_space_group_magn.transform_BNS_Pp_abc  '1/3a+2/3b-2/3c,-a,c;0,0,1/4'


_space_group_magn.number_BNS  12.63
_space_group_magn.name_BNS  "C_c 2/m"
_space_group_magn.point_group_name  "2/m.1'"
_space_group_magn.point_group_number  "5.2.13"
_cell_length_a                 4.08490
_cell_length_b                 4.08490
_cell_length_c                 61.64880
_cell_angle_alpha              90.00
_cell_angle_beta               90.00
_cell_angle_gamma              120.00

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

loop_
_space_group_symop_magn_centering.id
_space_group_symop_magn_centering.xyz
1 x,y,z,+1 
2 x+1/3,y+2/3,z+1/3,+1 
3 x+2/3,y+1/3,z+2/3,+1 
4 x,y,z+1/2,-1 
5 x+1/3,y+2/3,z+5/6,-1 
6 x+2/3,y+1/3,z+1/6,-1 

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Al2 Al 0.00000 0.00000 0.03890 1
Ge Ge 0.00000 0.00000 0.11135 1
Al1 Al 0.00000 0.00000 0.15570 1
Ni Ni 0.00000 0.00000 0.00000 1
Dy Dy 0.00000 0.00000 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
Dy 6.75(35) 0.0 0.0 mx,0,0 6.75(35) ? ?

