#------------------------------------------------------------------------------
#$Date: 2024-05-16 08:36:09 +0200 (Thu 16 de May de 2024) $
#$Revision: 291877 $
#$URL: svn://www.crystallography.net/cod/cif/9/01/16/9011644.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# 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_9011644
loop_
_publ_author_name
'Hanfland, M.'
'Schwarz, U.'
'Syassen, K.'
'Takemura, K.'
_publ_section_title
;
 Crystal structure of the high-pressure phase silicon VI
 Locality: synthetic
 Sample: at P = 38.4 GPa
 Note: phase VI
;
_journal_name_full               'Physical Review Letters'
_journal_page_first              1197
_journal_page_last               1200
_journal_paper_doi               10.1103/PhysRevLett.82.1197
_journal_volume                  82
_journal_year                    1999
_chemical_formula_sum            Si
_chemical_name_common            Silicon
_space_group_IT_number           64
_space_group_name_Hall           '-C 2ac 2'
_space_group_name_H-M_alt        'C m c e'
_symmetry_space_group_name_Hall  '-C 2ac 2'
_symmetry_space_group_name_H-M   'C m c e'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.0242
_cell_length_b                   4.7961
_cell_length_c                   4.7760
_cell_formula_units_Z            16
_cell_volume                     183.804
_diffrn_ambient_pressure         3.84e+07
_exptl_crystal_density_diffrn    4.060
_cod_original_sg_symbol_H-M      'C m c a'
_cod_database_code               9011644
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
-x,1/2+y,1/2-z
1/2-x,+y,1/2-z
-x,y,z
1/2-x,1/2+y,z
x,-y,-z
1/2+x,1/2-y,-z
x,1/2+y,1/2-z
1/2+x,+y,1/2-z
-x,1/2-y,1/2+z
1/2-x,-y,1/2+z
-x,-y,-z
1/2-x,1/2-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si1 0.00000 0.17300 0.32800
Si2 0.21800 0.00000 0.00000
_database_code_amcsd 0015281
