data_7221338
_publ_section_title
;
 Weak reflections in the Laves phase Fe Be2
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil A. Physikalische Chemie, Kosmophysik
;
_journal_page_first              47
_journal_page_last               50
_journal_volume                  48
_journal_year                    1993
_chemical_formula_sum            'Be2 Fe'
_chemical_name_systematic        'Be2 Fe'
_space_group_IT_number           194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            4
_cell_length_a                   4.2224
_cell_length_b                   4.2224
_cell_length_c                   6.87
_cell_volume                     106.073
_citation_journal_id_ASTM        ZTAKDZ
_cod_data_source_file            Costa_ZTAKDZ_1993_221.cif
_cod_data_source_block           Be2Fe1
_cod_original_cell_volume        106.0733
_cod_chemical_formula_sum_orig   'Be2 Fe1'
_cod_database_code               7221338
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
-y,-x,-z+1/2
x-y,-y,-z
x,x-y,-z+1/2
y,x,-z
-x+y,y,-z+1/2
-x,-x+y,-z
-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
y,x,z-1/2
-x+y,y,z
-x,-x+y,z-1/2
-y,-x,z
x-y,-y,z-1/2
x,x-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
Be2 Be 0.83031 0.66062 0.25 1 0.0
Be1 Be 0 0 0 1 0.0
Fe3 Fe 0.3333 0.6667 0.06161 1 0.0
