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#$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/60/1006083.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1006083
loop_
_publ_author_name
'Garcia-Munoz, J L'
'Rodriguez-Carvajal, J'
_publ_section_title
;
Structural characterization of R2 Cu2 O5 (R=Yb,Tm,Er,Y and Ho) oxides
by neutron diffraction
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              324
_journal_page_last               331
_journal_paper_doi               10.1006/jssc.1995.1141
_journal_volume                  115
_journal_year                    1995
_chemical_formula_structural     'Ho2 Cu2 O5'
_chemical_formula_sum            'Cu2 Ho2 O5'
_chemical_name_systematic        'Diholmium dicopper oxide'
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.8096(2)
_cell_length_b                   3.4962(1)
_cell_length_c                   12.4735(2)
_cell_volume                     471.4
_refine_ls_R_factor_all          0.06
_cod_database_code               1006083
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,1/2+z
1/2-x,1/2+y,1/2+z
1/2+x,1/2-y,z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Ho1 Ho3+ 4 a 0.208(1) 0.227(1) 0. 1. 0 d
Ho2 Ho3+ 4 a 0.0424(8) 0.226(1) 0.3303(3) 1. 0 d
Cu1 Cu2+ 4 a 0.9902(5) 0.662(2) 0.115(1) 1. 0 d
Cu2 Cu2+ 4 a 0.2610(5) 0.664(2) 0.217(1) 1. 0 d
O1 O2- 4 a 0.173(1) 0.726(2) 0.359(1) 1. 0 d
O2 O2- 4 a 0.324(1) 0.712(1) 0.066(1) 1. 0 d
O3 O2- 4 a 0.124(1) 0.320(2) 0.169(1) 1. 0 d
O4 O2- 4 a 0.427(1) 0.776(2) 0.263(1) 1. 0 d
O5 O2- 4 a 0.426(1) 0.230(2) 0.479(1) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Ho3+ 3.000
Cu2+ 2.000
O2- -2.000