#------------------------------------------------------------------------------ #$Date: 2023-05-18 10:14:51 +0300 (Thu, 18 May 2023) $ #$Revision: 283850 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/66/9006646.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_9006646 loop_ _publ_author_name 'Knight, K. S.' 'Stretton, I. C.' 'Schofield, P. F.' _publ_section_title ; Temperature evolution between 50 K and 320 K of the thermal expansion tensor of gypsum derived from neutron powder diffraction data Sample: T = 320 K ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 477 _journal_page_last 483 _journal_paper_doi 10.1007/s002690050210 _journal_volume 26 _journal_year 1999 _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 118.494 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.6769 _cell_length_b 15.2074 _cell_length_c 6.5277 _cell_volume 495.279 _diffrn_ambient_temperature 320 _exptl_crystal_density_diffrn 2.363 _cod_original_formula_sum 'Ca S O6 D4' _cod_database_code 9006646 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_type_symbol _atom_site_attached_hydrogens Ca 0.50000 0.07860 0.25000 Ca 0 S 0.00000 0.07870 0.75000 S 0 O1 -0.03840 0.13260 0.55120 O 0 O2 0.24290 0.02150 0.83470 O 0 Ow 0.37840 0.18250 0.45540 O 0 D1 0.25040 0.16150 0.50090 D 0 D2 0.40220 0.24350 0.49000 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 ; 2023-05-18T08:41:55+03:00 ;Derived atom types and hydrogen counts from atom names that follow the AMCSD naming convention (Wat == water, O-H == hydroxyl). ;