#------------------------------------------------------------------------------
#$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9007480.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_9007480
_chemical_name 'Starkeyite'
loop_
_publ_author_name
'Baur W H'
_journal_name_full "Acta Crystallographica"
_journal_volume 17
_journal_year 1964
_journal_page_first 863
_journal_page_last 869
_publ_section_title
;
 On the crystal chemistry of salt hydrates.
 II. A neutron diffraction study of MgSO4*4H2O
 Locality: synthetic
;
_chemical_formula_sum 'Mg S O8 H8'
_cell_length_a 5.922
_cell_length_b 13.604
_cell_length_c 7.905
_cell_angle_alpha 90
_cell_angle_beta 90.85
_cell_angle_gamma 90
_cell_volume 636.780
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg   0.06910   0.10300   0.22160
S   0.19570   0.10700   0.82630
O1   0.00740   0.04600   0.76010
O2   0.24820   0.07740   0.00110
O3   0.39750   0.09130   0.72180
O4   0.12900   0.21060   0.81480
O5   0.35830   0.07400   0.35890
O6   0.77160   0.13950   0.09140
O7   0.89140   0.12820   0.44120
O8   0.17520   0.24820   0.22220
H1   0.37260   0.08510   0.47970
H2   0.45800   0.02320   0.32460
H3   0.68020   0.19040   0.14170
H4   0.68190   0.09430   0.03300
H5   0.80180   0.18550   0.45600
H6   0.92070   0.09800   0.55330
H7   0.31670   0.26450   0.27530
H8   0.57710   0.19380   0.72490