#------------------------------------------------------------------------------
#$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/1010631.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_1010631
_chemical_name_systematic          'Copper silicide (15/4)'
_chemical_formula_structural       'Cu15 Si4'
_chemical_formula_sum              'Cu15 Si4'
_publ_section_title
;
The crystal structure of a complex copper-silicon compound
;
loop_
_publ_author_name
  'Morral, F R'
  'Westgren, A'
_journal_name_full                 'Arkiv foer Kemi, Mineralogi och Geologi, B'
_journal_coden_ASTM                ARKGBK
_journal_volume                    11
_journal_year                      1934
_journal_page_first                1
_journal_page_last                 6
_journal_issue                     37
_cell_length_a                     9.694
_cell_length_b                     9.694
_cell_length_c                     9.694
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       911.0
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'I -4 3 d'
_symmetry_Int_Tables_number        220
_symmetry_cell_setting             cubic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2-y,-z'
  '-x,1/2+y,1/2-z'
  '1/2-x,-y,1/2+z'
  '1/4+x,1/4+z,1/4+y'
  '3/4+x,1/4-z,3/4-y'
  '1/4-x,3/4-z,3/4+y'
  '3/4-x,3/4+z,1/4-y'
  'y,z,x'
  '1/2-y,-z,1/2+x'
  '1/2+y,1/2-z,-x'
  '-y,1/2+z,1/2-x'
  '1/4+z,1/4+y,1/4+x'
  '1/4-z,3/4-y,3/4+x'
  '3/4-z,3/4+y,1/4-x'
  '3/4+z,1/4-y,3/4-x'
  'z,x,y'
  '-z,1/2+x,1/2-y'
  '1/2-z,-x,1/2+y'
  '1/2+z,1/2-x,-y'
  '1/4+y,1/4+x,1/4+z'
  '3/4-y,3/4+x,1/4-z'
  '3/4+y,1/4-x,3/4-z'
  '1/4-y,3/4-x,3/4+z'
  '1/2+x,1/2+y,1/2+z'
  'x,-y,1/2-z'
  '1/2-x,y,-z'
  '-x,1/2-y,z'
  '3/4+x,3/4+z,3/4+y'
  '1/4+x,3/4-z,1/4-y'
  '3/4-x,1/4-z,1/4+y'
  '1/4-x,1/4+z,3/4-y'
  '1/2+y,1/2+z,1/2+x'
  '-y,1/2-z,x'
  'y,-z,1/2-x'
  '1/2-y,z,-x'
  '3/4+z,3/4+y,3/4+x'
  '3/4-z,1/4-y,1/4+x'
  '1/4-z,1/4+y,3/4-x'
  '1/4+z,3/4-y,1/4-x'
  '1/2+z,1/2+x,1/2+y'
  '1/2-z,x,-y'
  '-z,1/2-x,y'
  'z,-x,1/2-y'
  '3/4+y,3/4+x,3/4+z'
  '1/4-y,1/4+x,3/4-z'
  '1/4+y,3/4-x,1/4-z'
  '3/4-y,1/4-x,1/4+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Si0    0.000
  Cu0    0.000
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
  Si1   Si0   16 c 0.2083 0.2083 0.2083 1.  0 d
  Cu1   Cu0   12 a 0.375 0. 0.25 1.  0 d
  Cu2   Cu0   48 e 0.12 0.16 -0.04 1.  0 d