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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/09/1530905.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_1530905
loop_
_publ_author_name
'Trunov, V.K.'
'Kinzhibalo, L.N.'
'Efremov, V.A.'
'Krongauz, V.G.'
_publ_section_title
;
 On the m' - structure of 'orthotantalates' of the rare earth elements
;
_journal_name_full               'Doklady Akademii Nauk SSSR'
_journal_page_first              103
_journal_page_last               106
_journal_volume                  260
_journal_year                    1981
_chemical_formula_sum            'Er O4 Ta'
_chemical_name_systematic        'Er Ta O4'
_space_group_IT_number           13
_symmetry_space_group_name_Hall  '-P 2ya'
_symmetry_space_group_name_H-M   'P 1 2/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 96.44
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.29
_cell_length_b                   5.443
_cell_length_c                   5.103
_cell_volume                     146.006
_citation_journal_id_ASTM        DANKAS
_cod_data_source_file            Trunov_DANKAS_1981_1628.cif
_cod_data_source_block           Er1O4Ta1
_cod_original_cell_volume        146.0059
_cod_original_sg_symbol_Hall     '-P 2yc (z,y,-x)'
_cod_original_formula_sum        'Er1 O4 Ta1'
_cod_database_code               1530905
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,y,-z
-x,-y,-z
x-1/2,-y,z
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
Ta1 Ta+5 0.25 0.3049 0 1 0.0
Er1 Er+3 0.25 0.7662 0.5 1 0.0
O1 O-2 0.4947 0.4351 0.2692 1 0.0
O2 O-2 0.0981 0.0832 0.2507 1 0.0
