#------------------------------------------------------------------------------
#$Date: 2023-05-18 10:14:51 +0300 (Thu, 18 May 2023) $
#$Revision: 283850 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/17/9001751.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_9001751
loop_
_publ_author_name
'Schofield, P. F.'
'Knight, K. S.'
'Stretton, I. C.'
_publ_section_title
;
 Thermal expansion of gypsum investigated by neutron powder diffraction
 T = 4.2 K
;
_journal_name_full               'American Mineralogist'
_journal_page_first              847
_journal_page_last               851
_journal_volume                  81
_journal_year                    1996
_chemical_formula_sum            'Ca D4 O6 S'
_chemical_name_mineral           'Gypsum (deuterated)'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 118.513
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.6740
_cell_length_b                   15.1049
_cell_length_c                   6.4909
_cell_volume                     488.829
_diffrn_ambient_temperature      4.2
_exptl_crystal_density_diffrn    2.394
_cod_original_formula_sum        'Ca S O6 D4'
_cod_database_code               9001751
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,1/2+z
-x,y,1/2-z
1/2-x,1/2+y,-z
1/2+x,-y,z
+x,1/2-y,1/2+z
1/2-x,-y,1/2-z
-x,1/2-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_type_symbol
_atom_site_attached_hydrogens
Ca 0.50000 0.07996 0.25000 0.00124 Ca 0
S 0.00000 0.07667 0.75000 0.00132 S 0
O1 0.96413 0.13282 0.55028 0.00376 O 0
O2 0.75763 0.02194 0.66427 0.00355 O 0
Ow 0.38342 0.17240 0.46179 0.00403 O 0
D1 0.25369 0.16662 0.50769 0.01809 D 0
D2 0.40549 0.24481 0.49322 0.01631 D 0
loop_
_cod_changelog_entry_id
_cod_changelog_entry_author
_cod_changelog_entry_date
_cod_changelog_entry_text
1
;cod-tools version 3.8.0
Id: cif_guess_AMCSD_atom_types 9581 2023-05-17 12:35:41Z saulius
;
2023-05-18T08:39:53+03:00
;Derived atom types and hydrogen counts
from atom names that follow the AMCSD naming convention
(Wat == water, O-H == hydroxyl).
;
