#------------------------------------------------------------------------------
#$Date: 2010-04-10 21:37:29 +0300 (Sat, 10 Apr 2010) $
#$Revision: 1071 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9012411.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_9012411
loop_
_publ_author_name
'Clark, M. J. R.'
'Lynton, H.'
_publ_section_title
;
 Crystal structures of potassium, ammonium, rubidium and cesium tetrafluoroborates
 Locality: synthetic
;
_journal_name_full               'Canadian Journal of Chemistry'
_journal_page_first              2579
_journal_page_last               2586
_journal_volume                  47
_journal_year                    1969
_chemical_formula_sum            'B F4 K'
_chemical_name_mineral           Avogadrite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.032
_cell_length_b                   8.674
_cell_length_c                   5.496
_cell_volume                     335.232
_exptl_crystal_density_diffrn    2.495
_[local]_cod_data_source_file    cifdata.txt
_[local]_cod_data_source_block   'global_12644'
_[local]_cod_chemical_formula_sum_orig 'K B F4'
_cod_database_code               9012411
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,y,1/2-z
-x,-y,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2-z
1/2-x,1/2+y,z
1/2+x,1/2-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
K 0.16134 0.18454 0.25000
B 0.68722 0.06322 0.25000
F1 0.60250 -0.08114 0.25000
F2 0.55756 0.17860 0.25000
F3 0.80416 0.07768 0.04457
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
K 0.02535 0.01955 0.03217 0.00207 0.00331 -0.00203
B 0.03367 0.01738 0.03018 0.00389 -0.03039 -0.01768
F1 0.05584 0.02573 0.05959 0.00646 -0.00360 -0.04048
F2 0.03284 0.04341 0.03894 0.00473 0.00170 0.02290
F3 0.03384 0.03690 0.02432 0.00442 0.01641 0.00256