#------------------------------------------------------------------------------
#$Date: 2015-01-27 20:58:39 +0100 (mar 27 de ene de 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/1/01/00/1010030.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_1010030
loop_
_publ_author_name
'Wever, F'
'Mueller, A'
_publ_section_title
;
Ueber das Zweistoffsystem Eisen-Bor und ueber die Struktur des
Eisenborides Fe₄ B₂
;
_journal_coden_ASTM              ZAACAB
_journal_name_full
;
Zeitschrift fuer Anorganische und Allgemeine Chemie
;
_journal_page_first              317
_journal_page_last               336
_journal_paper_doi               10.1002/zaac.19301920125
_journal_volume                  192
_journal_year                    1930
_chemical_formula_structural     'Fe2 B'
_chemical_formula_sum            'B Fe2'
_chemical_name_systematic        'Iron boride (2/1)'
_space_group_IT_number           121
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      121
_symmetry_space_group_name_Hall  'I -4 2'
_symmetry_space_group_name_H-M   'I -4 2 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.078(5)
_cell_length_b                   5.078(5)
_cell_length_c                   4.223(5)
_cell_volume                     108.9
_exptl_crystal_density_meas      7.24
_cod_database_code               1010030
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z
-x,y,-z
x,-y,-z
-y,x,-z
y,-x,-z
y,x,z
-y,-x,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-y,1/2+x,1/2-z
1/2+y,1/2-x,1/2-z
1/2+y,1/2+x,1/2+z
1/2-y,1/2-x,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
Fe1 Fe0 8 i 0.1667 0.1667 0.2 1. 0 d
B1 B0 2 a 0. 0. 0. 1. 0 d
B2 B0 2 b 0. 0. 0.5 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Fe0 0.000
B0 0.000
