#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 22/03/2020


data_5yOhtAoR
_audit_creation_date            2020-03-22
_audit_creation_method          "Bilbao Crystallographic Server"

_citation_journal_abbrev        "Phys. Chem. Minerals"
_citation_journal_volume        44
_citation_page_first            669
_citation_page_last             684
_citation_article_id            ?
_citation_year                  2017
_citation_DOI                   10.1007/s00269-017-0892-3

loop_
_citation_author_name
"G.J. Redhammer"
"A. Senyshyn"
"S. Lebernegg"
"G. Tippelt"
"E. Dachs"
"G. Roth"



_atomic_positions_source_database_code_ICSD  258796
_atomic_positions_source_other               .

_transition_temperature  14
_experiment_temperature  4

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
mY2-  1  1  .  primary  2  .

_exptl_crystal_magnetic_properties_details
;
NPD
Positional structure from data at 20K (retrieved from icsd), except for the unit cell parameters.
Coexistence of an incommensurate phase.
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry (4 possible)
1-dim irrep as primary
;

_parent_space_group.name_H-M_alt  'C 2/c'
_parent_space_group.IT_number                       15
_parent_space_group.transform_Pp_abc  'a,b,c;0,0,0'

loop_
_parent_propagation_vector.id
_parent_propagation_vector.kxkykz
k1 [0 1 0]

_parent_space_group.child_transform_Pp_abc  'a,b,c;0,0,0'
_space_group_magn.transform_BNS_Pp_abc  'a,b,c;1/4,1/4,0'



_space_group_magn.number_BNS  14.84
_space_group_magn.name_BNS  "P_C 2_1/c"
_cell_length_a             10.0020
_cell_length_b             8.8641
_cell_length_c             5.5212
_cell_angle_alpha          90.00
_cell_angle_beta           108.286
_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+1/2,-z+1/2,+1
3 -x+1/2,-y+1/2,-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
_atom_site_occupancy
Na1 Na 0.00000 0.30190 0.25000 0.784
Li1 Li 0.00000 0.30190 0.25000 0.216
Fe1 Fe 0.00000 0.90440 0.25000 1.
Ge1 Ge 0.28897 0.09371 0.23420 1.
O1 O 0.10576 0.08180 0.13340 1.
O2 O 0.35720 0.27410 0.29670 1.
O3 O 0.36220 0.00045 0.03030 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
Fe1 3.63(1) 0.0 0.05(1) mx,0,mz

