#------------------------------------------------------------------------------
#$Date: 2018-09-27 06:13:35 +0200 (jue 27 de sep de 2018) $
#$Revision: 211196 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/12/1531244.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_1531244
loop_
_publ_author_name
'Boulet, P.'
'Rebizant, J.'
'Bouexiere, D.'
'Wastin, F.'
_publ_section_title
;
 Structural chemistry of the neptunium-silicon binary system
;
_journal_name_full               'Journal of Alloys Compd.'
_journal_page_first              172
_journal_page_last               179
_journal_volume                  349
_journal_year                    2003
_chemical_formula_sum            'Np Si1.72'
_space_group_IT_number           141
_symmetry_space_group_name_Hall  '-I 4bd 2'
_symmetry_space_group_name_H-M   'I 41/a m d :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   3.955
_cell_length_b                   3.955
_cell_length_c                   13.7015
_cell_volume                     214.319
_citation_journal_id_ASTM        JALCEU
_cod_data_source_file            Boulet_JALCEU_2003_1296.cif
_cod_data_source_block           Np1Si1.72
_cod_original_cell_volume        214.3192
_cod_original_formula_sum        'Np1 Si1.72'
_cod_database_code               1531244
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+1/4,x+3/4,z+1/4
-x+1/2,-y,z+1/2
y+1/4,-x+1/4,z+3/4
x,-y,-z
y+1/4,x+3/4,-z+1/4
-x+1/2,y,-z+1/2
-y+1/4,-x+1/4,-z+3/4
-x,-y,-z
y-1/4,-x-3/4,-z-1/4
x-1/2,y,-z-1/2
-y-1/4,x-1/4,-z-3/4
-x,y,z
-y-1/4,-x-3/4,z-1/4
x-1/2,-y,z-1/2
y-1/4,x-1/4,z-3/4
x+1/2,y+1/2,z+1/2
-y+3/4,x+5/4,z+3/4
-x+1,-y+1/2,z+1
y+3/4,-x+3/4,z+5/4
x+1/2,-y+1/2,-z+1/2
y+3/4,x+5/4,-z+3/4
-x+1,y+1/2,-z+1
-y+3/4,-x+3/4,-z+5/4
-x+1/2,-y+1/2,-z+1/2
y+1/4,-x-1/4,-z+1/4
x,y+1/2,-z
-y+1/4,x+1/4,-z-1/4
-x+1/2,y+1/2,z+1/2
-y+1/4,-x-1/4,z+1/4
x,-y+1/2,z
y+1/4,x+1/4,z-1/4
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
Si1 Si 0 0.25 0.2911 0.86 0.0
Np1 Np 0 0.75 0.125 1 0.0
