#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 11/19/2017 17:20:08
# Database entry: 2.14 NdMg
# Cif-like file for the case 2.14


data_5yOhtAoR
_audit_creation_date            2017-11-19
_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                    'Nd Mg'
_chemical_formula_weight                 ?
_chemical_melting_point                  ?
_chemical_compound_source                ?
_chemical_absolute_configuration         .


_citation_journal_abbrev        "J. Phys.: Condens. Matter."
_citation_journal_volume        10
_citation_page_first            165
_citation_page_last             174
_citation_article_id            .
_citation_year                  1998
_citation_DOI                   10.1088/0953-8984/10/1/018

loop_
_citation_author_name
"M. Deldem"
"M. Amara"
"R.M. Galera"
"P. Morin"
"D. Schmitt"
"B. Ouladdiaf"




_atomic_positions_source_database_code_ICSD  .
_atomic_positions_source_other               .

_transition_temperature     35
_experiment_temperature     1.6

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mX3+ 3 1 special-2 primary 1 .

_exptl_crystal_magnetic_properties_details
;
NPD and NSD
2k-structure distinguished from 1k and 3k alternative models through the dependence of reflections on applied magnetic field.
room-temperature unit cell
Between 61K and 35K a 1k ordering is reported (see entry #1.162)
;

_active_magnetic_irreps_details
;
2k magnetic structure
2k-maximal magnetic symmetry
3-dim irrep active
;

_parent_space_group.name_H-M_alt  'P  m  -3m'
_parent_space_group.IT_number                       221
_parent_space_group.transform_Pp_abc  'a,b,c;0,0,0'

loop_
_parent_propagation_vector.id
_parent_propagation_vector.kxkykz
k1 [1/2 0 0]
k2 [0 1/2 0]

_parent_space_group.child_transform_Pp_abc  '2a,2b,c;0,0,0'
_space_group_magn.transform_BNS_Pp_abc  'a,b,c;0,0,0'


_space_group_magn.number_BNS  125.373
_space_group_magn.name_BNS  "P_C  4/n  b  m"
_space_group_magn.point_group_name  "4/mmm1'"
_space_group_magn.point_group_number  "15.2.54"
_cell_length_a                 7.74000
_cell_length_b                 7.74000
_cell_length_c                 3.87000
_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,-y+1/2,-z,+1
5 -x+1/2,y,-z,+1
6 -x+1/2,-y+1/2,z,+1
7 y,x,-z,+1
8 -y+1/2,-x+1/2,-z,+1
9 -x,-y,-z,+1
10 y+1/2,-x,-z,+1
11 -y,x+1/2,-z,+1
12 -x,y+1/2,z,+1
13 x+1/2,-y,z,+1
14 x+1/2,y+1/2,-z,+1
15 -y,-x,z,+1
16 y+1/2,x+1/2,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
Mg1_1 Mg 0.25000 0.25000 0.50000 1
Mg1_2 Mg 0.25000 0.75000 0.50000 1
Nd1 Nd 0.00000 0.00000 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
Nd1 1.81 1.81 0.0 mx,mx,0

