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#$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/85/1008544.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_1008544
loop_
_publ_author_name
'Welter, R'
'Venturini, G'
'Fruchart, D'
'Malaman, B'
_publ_section_title
;
Magnetic structures of PrMn~2~Si~2~ and NdMn~2~Si~2~ from neutron
diffraction studies
;
_journal_coden_ASTM              JALCEU
_journal_name_full               'Journal of Alloys Compd.'
_journal_page_first              263
_journal_page_last               270
_journal_paper_doi               10.1016/0925-8388(93)90075-X
_journal_volume                  191
_journal_year                    1993
_chemical_formula_structural     'Pr Mn2 Si2'
_chemical_formula_sum            'Mn2 Pr Si2'
_chemical_name_systematic        'Praseodymium manganese silicide (1/2/2)'
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_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                   4.020(3)
_cell_length_b                   4.020(3)
_cell_length_c                   10.548(7)
_cell_volume                     170.5
_refine_ls_R_factor_all          0.017
_cod_database_code               1008544
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
-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
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
Pr1 Pr0 2 a 0. 0. 0. 1. 0 d
Mn1 Mn0 4 d 0. 0.5 0.25 1. 0 d
Si1 Si0 4 e 0. 0. 0.3799(7) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Pr0 0.000
Mn0 0.000
Si0 0.000