#------------------------------------------------------------------------------
#$Date: 2017-09-12 12:24:00 +0200 (mar 12 de sep de 2017) $
#$Revision: 200781 $
#$URL: svn://www.crystallography.net/cod/cif/2/31/01/2310164.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2310164
loop_
_publ_author_name
'Giessen, B. C.'
'Grant, N. J.'
_publ_section_title
;
 New intermediate phases in system of Nb or Ta with Rh, Ir, Pd, or Pt
;
_journal_coden_ASTM              ACCRA9
_journal_issue                   5
_journal_name_full               'Acta Crystallographica'
_journal_page_first              615
_journal_page_last               616
_journal_paper_doi               10.1107/s0365110x64001438
_journal_volume                  17
_journal_year                    1964
_chemical_formula_structural     'Ir Nb'
_chemical_formula_sum            'Ir Nb'
_chemical_name_systematic        'Iridium niobium'
_space_group_IT_number           123
_symmetry_Int_Tables_number      123
_symmetry_space_group_name_Hall  '-P 4 2'
_symmetry_space_group_name_H-M   'P 4/m m m'
_cell_angle_alpha                90.
_cell_angle_beta                 90.
_cell_angle_gamma                90.
_cell_formula_units_Z            1.000
_cell_length_a                   2.848
_cell_length_b                   2.848
_cell_length_c                   3.863
_cell_volume                     31.333
_cod_data_source_file            IrNb_P4_mmm_DC287.cif
_cod_data_source_block           chateigner
_cod_original_cell_volume        31.331
_cod_original_formula_sum        'Ir1 Nb1'
_cod_database_code               2310164
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 'y, x, -z'
2 '-y, -x, -z'
3 '-y, x, -z'
4 'y, -x, -z'
5 '-x, y, -z'
6 'x, -y, -z'
7 'x, y, -z'
8 '-x, -y, -z'
9 '-y, -x, z'
10 'y, x, z'
11 'y, -x, z'
12 '-y, x, z'
13 'x, -y, z'
14 '-x, y, z'
15 '-x, -y, z'
16 'x, 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_B_iso_or_equiv
_atom_site_occupancy
Ir1 Ir0+ 1 a 0 0 0 0. 1.
Nb1 Nb0+ 1 d 0.5 0.5 0.5 0. 1.
loop_
_atom_type_symbol
_atom_type_oxidation_number
Ir0+ 0.
Nb0+ 0.
