#------------------------------------------------------------------------------
#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/55/1525569.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_1525569
loop_
_publ_author_name
'Alonso, J.A.'
'Martinez-Lope, M.J.'
'Casais, M.T.'
'Garcia-Munoz, J.L.'
'Fernandez-Diaz, M.T.'
_publ_section_title
;
 Room-temperature monoclinic distortion due to charge disproportionation
 in R Ni O3 perovskites with small rare-earth cations (R = Ho, Y, Er, Tm,
 Yb and Lu): a neutron diffraction study
;
_journal_name_full
'Physical Review, Serie 3. B - Condensed Matter (18,1978-)'
_journal_page_first              1756
_journal_page_last               1763
_journal_volume                  61
_journal_year                    2000
_chemical_formula_sum            'Er Ni O3'
_chemical_name_systematic        'Er (Ni O3)'
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.112
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.1614
_cell_length_b                   5.511
_cell_length_c                   7.3997
_cell_volume                     210.480
_citation_journal_id_ASTM        PRBMDO
_cod_data_source_file            Alonso_PRBMDO_2000_461.cif
_cod_data_source_block           Er1Ni1O3
_cod_original_cell_volume        210.4802
_cod_original_sg_symbol_Hall     '-P 2ybc (x-z,y,z)'
_cod_original_formula_sum        'Er1 Ni1 O3'
_cod_database_code               1525569
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,y+1/2,-z+1/2
-x,-y,-z
x-1/2,-y-1/2,z-1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
O2 O-2 0.699 0.3088 0.0505 1 0.0
O1 O-2 0.1019 0.4694 0.2456 1 0.0
Er1 Er+3 0.9809 0.0733 0.2504 1 0.0
O3 O-2 0.1852 0.2021 0.9476 1 0.0
Ni1 Ni+3 0.5 0 0 1 0.0
Ni2 Ni+3 0.5 0 0.5 1 0.0
