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#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/7/22/27/7222740.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_7222740
loop_
_publ_author_name
'Emmerling, F.'
'Roehr, C.'
_publ_section_title
;
 Die neuen Oxoarsenate(III) A As O2 (A= Na, K, Rb) und Cs3 As5 O9.
 Darstellung, Kristallstrukturen und Raman- Spektren
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische 
Chemie (42,1987-)
;
_journal_page_first              620
_journal_page_last               626
_journal_volume                  58
_journal_year                    2003
_chemical_formula_sum            'As K O2'
_chemical_name_systematic        'K (As O2)'
_space_group_IT_number           57
_symmetry_space_group_name_Hall  '-P 2c 2b'
_symmetry_space_group_name_H-M   'P b c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.1513
_cell_length_b                   7.4804
_cell_length_c                   5.392
_cell_volume                     288.443
_citation_journal_id_ASTM        ZNBSEN
_cod_data_source_file            Emmerling_ZNBSEN_2003_1046.cif
_cod_data_source_block           As1K1O2
_cod_original_cell_volume        288.4428
_cod_original_formula_sum        'As1 K1 O2'
_cod_database_code               7222740
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z+1/2
x,-y+1/2,-z
-x,y+1/2,-z+1/2
-x,-y,-z
x,y,-z-1/2
-x,y-1/2,z
x,-y-1/2,z-1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
O1 O-2 0.2826 0.0573 0.25 1 0.0
K1 K+1 0.3654 0.4028 0.25 1 0.0
O2 O-2 0.2623 0.75 0 1 0.0
As1 As+3 0.14339 0.87423 0.25 1 0.0
