#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 31/03/2020


data_5yOhtAoR
_audit_creation_date            2020-03-31
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "Journal of Alloys and Compounds"
_citation_journal_volume        232
_citation_page_first            165
_citation_page_last             168
_citation_article_id            ?
_citation_year                  1996
_citation_DOI                   10.1016/0925-8388(95)01949-9

loop_
_citation_author_name
"P. Schobinger-Papamantellos"
"G. Andre"
"J. Rodriguez-Carvajal"
"C. de Groot"
"K. Buschow"




_atomic_positions_source_database_code_ICSD  55524
_atomic_positions_source_other               .

_transition_temperature  7
_experiment_temperature  1.5

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mGM1-  1  1  .  primary  1  .
mGM2-  1  1  .  primary  1  .

_exptl_crystal_magnetic_properties_details
;
NPD
;

_active_magnetic_irreps_details
;
1k magnetic structure
Two different irreps are active as primary: two order parameters in Landau theory sense
Magnetic moment modulus: 8.4(1)
;

_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  '1/2a+1/2b,-c,-1/2a+1/2b;0,0,0'



_space_group_magn.number_BNS  11.53
_space_group_magn.name_BNS  "P 2_1/m'"
_cell_length_a             3.99680
_cell_length_b             20.65900
_cell_length_c             3.88430
_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+1/2,+1
3 -x,-y,-z,-1
4 x,y,-z+1/2,-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
Er1 Er 0.00000 0.41830 0.25000
Ge1 Ge 0.00000 0.04240 0.25000
Ge2 Ge 0.00000 0.69220 0.25000
Ge3 Ge 0.00000 0.81260 0.25000

loop_
_atom_site_moment.label
_atom_site_moment.crystalaxis_x
_atom_site_moment.crystalaxis_y
_atom_site_moment.crystalaxis_z
_atom_site_moment.symmform
Er1 8.11 -2.17 0.0 mx,my,0

