#------------------------------------------------------------------------------ #$Date: 2016-02-18 13:08:31 +0200 (Thu, 18 Feb 2016) $ #$Revision: 176725 $ #$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 160 _symmetry_space_group_name_Hall 'R 3 -2"' _symmetry_space_group_name_H-M 'R 3 m :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _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_ _symmetry_equiv_pos_as_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 -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 0.22764 0.00290