#------------------------------------------------------------------------------
#$Date: 2016-02-16 00:06:40 +0200 (Tue, 16 Feb 2016) $
#$Revision: 176451 $
#$URL: file:///home/coder/svn-repositories/cod/cif/5/00/02/5000219.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_5000219
loop_
_publ_author_name
'Schiferl, D'
'Barrett, C S'
_publ_section_title
;
The Crystal Structure of Arsenic at 4.2, 78 and 299K
;
_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_structural     As
_chemical_formula_sum            As
_chemical_name_common            Arsenic
_chemical_name_mineral           Arsenic
_chemical_name_systematic        Arsenic
_space_group_IT_number           166
_symmetry_cell_setting           trigonal
_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_formula_units_Z            6
_cell_length_a                   3.7597(1)
_cell_length_b                   3.7597(1)
_cell_length_c                   10.4412(2)
_cell_volume                     127.8
_refine_ls_R_factor_all          0.039
_cod_original_sg_symbol_H-M      'R -3 m H'
_cod_database_code               5000219
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z
y-x,-x,z
-y,-x,z
x,x-y,z
y-x,y,z
-x,-y,-z
y,y-x,-z
x-y,x,-z
y,x,-z
-x,y-x,-z
x-y,-y,-z
1/3+x,2/3+y,2/3+z
2/3+x,1/3+y,1/3+z
1/3-y,2/3+x-y,2/3+z
2/3-y,1/3+x-y,1/3+z
1/3-x+y,2/3-x,2/3+z
2/3-x+y,1/3-x,1/3+z
1/3-y,2/3-x,2/3+z
2/3-y,1/3-x,1/3+z
1/3+x,2/3+x-y,2/3+z
2/3+x,1/3+x-y,1/3+z
1/3-x+y,2/3+y,2/3+z
2/3-x+y,1/3+y,1/3+z
1/3-x,2/3-y,2/3-z
2/3-x,1/3-y,1/3-z
1/3+y,2/3-x+y,2/3-z
2/3+y,1/3-x+y,1/3-z
1/3+x-y,2/3+x,2/3-z
2/3+x-y,1/3+x,1/3-z
1/3+y,2/3+x,2/3-z
2/3+y,1/3+x,1/3-z
1/3-x,2/3-x+y,2/3-z
2/3-x,1/3-x+y,1/3-z
1/3+x-y,2/3-y,2/3-z
2/3+x-y,1/3-y,1/3-z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
As1 As0 6 c 0. 0. 0.22764(2) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
As0 0.000