#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 13/06/2020


data_5yOhtAoR
_audit_creation_date            2020-06-13
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "Solid State Communications"
_citation_journal_volume        23
_citation_page_first            821
_citation_page_last             823
_citation_article_id            ?
_citation_year                  1977
_citation_DOI                   10.1016/0038-1098(77)90960-7

loop_
_citation_author_name
"V. Nguyen"
"F. Tcheou"
"J. Rossat-Mignod"



_atomic_positions_source_database_code_ICSD  42944
_atomic_positions_source_other               .

_transition_temperature  46
_experiment_temperature  4.2

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mGM2+  1  1  .  primary  2  .

_exptl_crystal_magnetic_properties_details
;
NPD
Positional structure from a determination at room temperature
FM  along z
Nd1 moment modulus: 2.6(3, 20 degrees from the c axis
Nd1 moment components are here given with non-significant digits to yield the reported modulus
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry (8 possible)
1-dim irrep as primary
;

_parent_space_group.name_H-M_alt  'P n m a'
_parent_space_group.IT_number                       62
_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  62.446
_space_group_magn.name_BNS  "P n' m' a"
_cell_length_a             8.15800
_cell_length_b             3.91800
_cell_length_c             5.88700
_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+1/2,-y,z+1/2,+1
3 -x,-y,-z,+1
4 x+1/2,y,-z+1/2,+1
5 x+1/2,-y+1/2,-z+1/2,-1
6 -x,y+1/2,-z,-1
7 -x+1/2,y+1/2,z+1/2,-1
8 x,-y+1/2,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
Nd1 Nd 0.17600 0.25000 0.12000
Si1 Si 0.03000 0.25000 0.61000

loop_
_atom_site_moment.label
_atom_site_moment.crystalaxis_x
_atom_site_moment.crystalaxis_y
_atom_site_moment.crystalaxis_z
_atom_site_moment.symmform
Nd1  0.89 0.0 2.44 mx,0,mz

