#------------------------------------------------------------------------------
#$Date$
#$Revision$
#$URL$
#------------------------------------------------------------------------------
#
# 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_9012908
loop_
_publ_author_name
'Vindryevsky, B. A.'
'Ishmaev, S. N.'
'Sadikov, I. P.'
'Chernyshev, A. A.'
_publ_section_title
;
 Neutron diffraction studies of solid parahydrogen at pressures up to 5 kbar
 Locality: synthetic
 Sample: P = .0079 GPa, T = 15.6 K
;
_journal_name_full               'Physics Letters'
_journal_page_first              355
_journal_page_last               358
_journal_volume                  76A
_journal_year                    1980
_chemical_formula_sum            H
_chemical_name_mineral           Hydrogen
_space_group_IT_number           194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   3.745
_cell_length_b                   3.745
_cell_length_c                   6.101
_cell_volume                     74.103
_diffrn_ambient_pressure         7900
_diffrn_ambient_temperature      15.6
_[local]_cod_data_source_file    13019.cif
_[local]_cod_data_source_block   global
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-x+y,1/2+z
x,x-y,1/2-z
-x+y,-x,1/2-z
x-y,x,1/2+z
-y,-x,z
y,x,-z
y,-x+y,-z
-y,x-y,z
x-y,-y,1/2+z
-x+y,y,1/2-z
x,y,1/2-z
-x,-y,1/2+z
x,x-y,z
-x,-x+y,-z
x-y,x,-z
-x+y,-x,z
y,x,1/2+z
-y,-x,1/2-z
-y,x-y,1/2-z
y,-x+y,1/2+z
-x+y,y,z
x-y,-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
H 0.33333 0.66667 0.25000