#\#CIF_2.0
# Created by the Bilbao Crystallographic Server
# http://www.cryst.ehu.es
# Date: 11/19/2017 16:57:01
# Database entry: 0.107 Ho2Ge2O7
# Cif-like file for the case 0.107


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                    'Ho2 Ge2 O7'
_chemical_formula_weight                 ?
_chemical_melting_point                  ?
_chemical_compound_source                ?
_chemical_absolute_configuration         .


_citation_journal_abbrev        "PHYSICAL REVIEW B"
_citation_journal_volume        77
_citation_page_first            ?
_citation_page_last             ?
_citation_article_id            224423
_citation_year                  2008
_citation_DOI                   10.1103/PhysRevB.77.224423

loop_
_citation_author_name
"E. Morosan"
"J.A. Fleitman"
"Q. Huang"
"J.W. Lynn"
"Y. Chen"
"X. Ke"
"M.L. Dahlberg"
"P. Schiffer"
"C.R. Craley"
"R.J. Cava"






_atomic_positions_source_database_code_ICSD   161912
_atomic_positions_source_other               .

_transition_temperature     1.6
_experiment_temperature     1.36

loop_
_irrep_id
_irrep_dimension
_irrep_small_dimension
_irrep_direction_type
_irrep_action
_irrep_modes_number
_irrep_presence
? ? ? ? ? ? ?

_exptl_crystal_magnetic_properties_details
;
NPD
Atomic positions from measurement above TN
Figure 7(a) in reference is inconsistent with figure 7(b) and with the reported magnetic symmetry in the same reference. This latter has been assumed here to be correct, disregarding Figure 7(a).
;

_active_magnetic_irreps_details
;
1k magnetic structure
k-maximal magnetic symmetry
1-dim irrep active: one to one equivalence between the assignment of the MSG or the irrep.
;

_parent_space_group.name_H-M_alt  'P  4_12_12'
_parent_space_group.IT_number                       92
_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  92.111
_space_group_magn.name_BNS  "P  4_12_12"
_space_group_magn.point_group_name  "422"
_space_group_magn.point_group_number  "12.1.40"
_cell_length_a                 6.8083(8)
_cell_length_b                 6.8083
_cell_length_c                 12.3795(2)
_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+1/2,z+1/4,+1
3 y+1/2,-x+1/2,z+3/4,+1
4 x+1/2,-y+1/2,-z+3/4,+1
5 -x+1/2,y+1/2,-z+1/4,+1
6 -x,-y,z+1/2,+1
7 y,x,-z,+1
8 -y,-x,-z+1/2,+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
_atom_site_occupancy
Ho1 Ho 0.87664(11) 0.35295(13) 0.13499(8) 1
Ge1 Ge 0.90095(12) 0.15382(14) 0.61957(8) 1
O1 O 0.30458(20) 0.30458(20) 0.00000 1
O2 O 0.07707(20) 0.96940(19) 0.62405(13) 1
O3 O 0.06207(19) 0.33815(22) 0.57183(11) 1
O4 O 0.68611(17) 0.14240(22) 0.54501(10) 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
Ho1 1.67(4) -8.90(4) 0.0 mx,my,mz

