#------------------------------------------------------------------------------
#$Date: 2013-04-14 23:03:24 +0300 (Sun, 14 Apr 2013) $
#$Revision: 81283 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/31/00/2310022.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_2310022
loop_
_publ_author_name
'W. H. Zachariasen'
_publ_section_title
;
 Crystal chemical studies of the 5f - series of elements. XVI.
 Identification and crystal structure of protactinium metal and of
 protactinium monoxide
;
_chemical_formula_structural     Pa
_chemical_formula_sum            Pa
_chemical_name_systematic        Protactinium
_space_group_IT_number           139
_symmetry_Int_Tables_number      139
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_cell_angle_alpha                90.
_cell_angle_beta                 90.
_cell_angle_gamma                90.
_cell_formula_units_Z            2
_cell_length_a                   3.925
_cell_length_b                   3.925
_cell_length_c                   3.238
_cell_volume                     49.883
_[local]_cod_data_source_file    Pa.cif
_[local]_cod_data_source_block   Pa
_cod_database_code               2310022
loop_
_journal_name_full
_journal_volume
_journal_page_first
_journal_page_last
_journal_year
'Acta Crystallographica' 5 19 21 1952
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-y, x, z'
'-x, -y, z'
'y, -x, z'
'x, -y, -z'
'-x, y, -z'
'y, x, -z'
'-y, -x, -z'
'-x, -y, -z'
'y, -x, -z'
'x, y, -z'
'-y, x, -z'
'-x, y, z'
'x, -y, z'
'-y, -x, z'
'y, x, z'
'x+1/2, y+1/2, z+1/2'
'-y+1/2, x+1/2, z+1/2'
'-x+1/2, -y+1/2, z+1/2'
'y+1/2, -x+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'
'-x+1/2, -y+1/2, -z+1/2'
'y+1/2, -x+1/2, -z+1/2'
'x+1/2, y+1/2, -z+1/2'
'-y+1/2, x+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'
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
Pa Pa 2 a 0 0 0 1 0