#------------------------------------------------------------------------------ #$Date: 2024-05-06 10:39:41 +0300 (Mon, 06 May 2024) $ #$Revision: 291735 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/96/9009651.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_9009651 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 = 78 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_length_a 3.7595(1) _cell_length_b 3.7595(1) _cell_length_c 10.4573(2) _cell_formula_units_Z 6 _cell_volume 128.000 _diffrn_ambient_temperature 78 _exptl_crystal_density_diffrn 5.832 _cod_database_code 9009651 loop_ _space_group_symop_operation_xyz x,y,z 2/3+x,1/3+y,1/3+z 1/3+x,2/3+y,2/3+z x,x-y,z 2/3+x,1/3+x-y,1/3+z 1/3+x,2/3+x-y,2/3+z y,x,-z 2/3+y,1/3+x,1/3-z 1/3+y,2/3+x,2/3-z -x+y,y,z 2/3-x+y,1/3+y,1/3+z 1/3-x+y,2/3+y,2/3+z -x,-x+y,-z 2/3-x,1/3-x+y,1/3-z 1/3-x,2/3-x+y,2/3-z -y,-x,z 2/3-y,1/3-x,1/3+z 1/3-y,2/3-x,2/3+z x-y,-y,-z 2/3+x-y,1/3-y,1/3-z 1/3+x-y,2/3-y,2/3-z y,-x+y,-z 2/3+y,1/3-x+y,1/3-z 1/3+y,2/3-x+y,2/3-z -x+y,-x,z 2/3-x+y,1/3-x,1/3+z 1/3-x+y,2/3-x,2/3+z -x,-y,-z 2/3-x,1/3-y,1/3-z 1/3-x,2/3-y,2/3-z -y,x-y,z 2/3-y,1/3+x-y,1/3+z 1/3-y,2/3+x-y,2/3+z x-y,x,-z 2/3+x-y,1/3+x,1/3-z 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 0.22754(2) 0.00407 _database_code_amcsd 0012834