#------------------------------------------------------------------------------ #$Date: 2024-11-26 15:06:13 +0200 (Tue, 26 Nov 2024) $ #$Revision: 296110 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/96/9009650.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_9009650 loop_ _publ_author_name 'Schiferl, D.' 'Barrett CS' _publ_section_title ; The crystal structure of arsenic at 4.2, 78 and 299 K Sample: T = 4.2 K ; _journal_name_full 'Journal of Applied Crystallography' _journal_page_first 30 _journal_page_last 36 _journal_paper_doi 10.1107/S0021889869006443 _journal_volume 2 _journal_year 1969 _chemical_formula_sum As _chemical_name_common Arsenic _chemical_name_mineral Arsenic _space_group_IT_number 166 _space_group_name_Hall '-R 3 2"' _space_group_name_H-M_alt 'R -3 m :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 6 _cell_length_a 3.7597 _cell_length_b 3.7597 _cell_length_c 10.4412 _cell_volume 127.817 _diffrn_ambient_temperature 4.2 _exptl_crystal_density_diffrn 2.920 _cod_original_sg_symbol_H-M 'R 3 m' _cod_database_code 9009650 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 x,y,z 2 2/3+x,1/3+y,1/3+z 3 1/3+x,2/3+y,2/3+z 4 x,x-y,z 5 2/3+x,1/3+x-y,1/3+z 6 1/3+x,2/3+x-y,2/3+z 7 y,x,-z 8 2/3+y,1/3+x,1/3-z 9 1/3+y,2/3+x,2/3-z 10 -x+y,y,z 11 2/3-x+y,1/3+y,1/3+z 12 1/3-x+y,2/3+y,2/3+z 13 -x,-x+y,-z 14 2/3-x,1/3-x+y,1/3-z 15 1/3-x,2/3-x+y,2/3-z 16 -y,-x,z 17 2/3-y,1/3-x,1/3+z 18 1/3-y,2/3-x,2/3+z 19 x-y,-y,-z 20 2/3+x-y,1/3-y,1/3-z 21 1/3+x-y,2/3-y,2/3-z 22 y,-x+y,-z 23 2/3+y,1/3-x+y,1/3-z 24 1/3+y,2/3-x+y,2/3-z 25 -x+y,-x,z 26 2/3-x+y,1/3-x,1/3+z 27 1/3-x+y,2/3-x,2/3+z 28 -x,-y,-z 29 2/3-x,1/3-y,1/3-z 30 1/3-x,2/3-y,2/3-z 31 -y,x-y,z 32 2/3-y,1/3+x-y,1/3+z 33 1/3-y,2/3+x-y,2/3+z 34 x-y,x,-z 35 2/3+x-y,1/3+x,1/3-z 36 1/3+x-y,2/3+x,2/3-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv As 0.00000 0.00000 0.22764 0.00290 loop_ _cod_changelog_entry_id _cod_changelog_entry_author _cod_changelog_entry_date _cod_changelog_entry_text 1 'Vaitkus, Antanas' 2024-11-26T15:03:56+02:00 ; Changed the space group from 'R 3 -2"' to '-R 3 2"' and updated the Z value accordingly. The incorrect space group value was first incorrectly recorded in the AMCSD and then propagated to the COD. The value is now fixed in the AMCSD as well. ;