#------------------------------------------------------------------------------
#$Date: 2016-02-14 15:26:36 +0100 (Sun 14 de Feb de 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/60/1006069.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_1006069
loop_
_publ_author_name
'Alonso, J A'
'Rasines, I'
'Rodriguez-Carvajal, J'
'Torrance, J B'
_publ_section_title
;
Hole and electron doping of R₂BaNiO₅ (R=rare earths)
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              231
_journal_page_last               240
_journal_paper_doi               10.1006/jssc.1994.1098
_journal_volume                  109
_journal_year                    1994
_chemical_formula_structural     '(Er1.64 Ca0.36) Ba Ni O5'
_chemical_formula_sum            'Ba Ca0.36 Er1.64 Ni O5'
_chemical_name_systematic
;
Erbium calcium barium nickel oxide (1.6/0.4/1/1/5)
;
_space_group_IT_number           71
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      71
_symmetry_space_group_name_Hall  '-I 2 2'
_symmetry_space_group_name_H-M   'I m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.7342(2)
_cell_length_b                   5.7486(3)
_cell_length_c                   11.2625(8)
_cell_volume                     241.8
_refine_ls_R_factor_all          0.0281
_cod_original_formula_sum        'Ba Ca.36 Er1.64 Ni O5'
_cod_database_code               1006069
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,-y,-z
-x,y,-z
-x,-y,z
-x,-y,-z
-x,y,z
x,-y,z
x,y,-z
1/2+x,1/2+y,1/2+z
1/2+x,1/2-y,1/2-z
1/2-x,1/2+y,1/2-z
1/2-x,1/2-y,1/2+z
1/2-x,1/2-y,1/2-z
1/2-x,1/2+y,1/2+z
1/2+x,1/2-y,1/2+z
1/2+x,1/2+y,1/2-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
Ca1 Ca2+ 4 j 0.5 0. 0.2041(1) 0.180(24) 0 d
Er1 Er3+ 4 j 0.5 0. 0.2041(1) 0.82 0 d
Ba1 Ba2+ 2 c 0.5 0.5 0. 1. 0 d
Ni1 Ni2+ 2 a 0. 0. 0. 1. 0 d
O1 O2- 8 l 0. 0.2394(3) 0.1472(1) 1. 0 d
O2 O2- 2 a 0.5 0. 0. 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Ca2+ 2.000
Er3+ 3.000
Ba2+ 2.000
Ni2+ 2.360
O2- -2.000
