#------------------------------------------------------------------------------
#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/4/12/46/4124620.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_4124620
loop_
_publ_author_name
'Asprey, L.B.'
'Zachariasen, W.H.'
'Ellinger, F.H.'
_publ_section_title
;
 Preparation, identification and crystal structure of a pentavalent
 americium compound, K Am O2 F2
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5235
_journal_page_last               5237
_journal_volume                  76
_journal_year                    1954
_chemical_formula_sum            'Am F2 K O2'
_chemical_name_systematic        'K Am O2 F2'
_space_group_IT_number           166
_symmetry_space_group_name_Hall  '-P 3* 2'
_symmetry_space_group_name_H-M   'R -3 m :R'
_cell_angle_alpha                36.25
_cell_angle_beta                 36.25
_cell_angle_gamma                36.25
_cell_formula_units_Z            1
_cell_length_a                   6.78
_cell_length_b                   6.78
_cell_length_c                   6.78
_cell_volume                     97.511
_citation_journal_id_ASTM        JACSAT
_cod_data_source_file            Asprey_JACSAT_1954_1448.cif
_cod_data_source_block           Am1F2K1O2
_cod_original_cell_volume        97.51129
_cod_original_sg_symbol_Hall     '-R 3 2" (-y+z,x+z,-x+y+z)'
_cod_original_formula_sum        'Am1 F2 K1 O2'
_cod_database_code               4124620
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
z,x,y
y,z,x
-y,-x,-z
-z,-y,-x
-x,-z,-y
-x,-y,-z
-z,-x,-y
-y,-z,-x
y,x,z
z,y,x
x,z,y
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
F1 F-1 0.356 0.356 0.356 1 0.0
O1 O-2 0.102 0.102 0.102 1 0.0
K1 K+1 0.5 0.5 0.5 1 0.0
Am1 Am+5 0 0 0 1 0.0
