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#$Date: 2013-05-03 00:44:41 +0300 (Fri, 03 May 2013) $
#$Revision: 85257 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/10/54/2105436.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_2105436
loop_
_publ_author_name
'Rogl, P.'
_publ_section_title
;
 The crystal structure of Zr Ir3 B4
;
_journal_name_full               'Acta Crystallographica B (24,1968-38,1982)'
_journal_page_first              721
_journal_page_last               724
_journal_volume                  34
_journal_year                    1978
_chemical_formula_sum            'B4 Hf Ir3'
_chemical_name_systematic        'Hf Ir3 B4'
_space_group_IT_number           176
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   7.548
_cell_length_b                   7.548
_cell_length_c                   3.487
_cell_volume                     172.047
_citation_journal_id_ASTM        ACBCAR
_[local]_cod_data_source_file    boron4-x_79.cif
_[local]_cod_data_source_block   B4Hf1Ir3
_[local]_cod_chemical_formula_sum_orig 'B4 Hf1 Ir3'
_cod_original_cell_volume        172.0467
_cod_database_code               2105436
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x-y,x,z+1/2
-y,x-y,z
-x,-y,z+1/2
-x+y,-x,z
y,-x+y,z+1/2
-x,-y,-z
-x+y,-x,-z-1/2
y,-x+y,-z
x,y,-z-1/2
x-y,x,-z
-y,x-y,-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
Ir1 Ir 0.0734 0.3285 0.25 1 0.0
Hf1 Hf 0.3333 0.6667 0.75 1 0.0
B2 B 0 0 0 1 0.0
B1 B 0.395 0.439 0.25 1 0.0