#------------------------------------------------------------------------------
#$Date: 2009-11-18 14:56:34 +0000 (Wed, 18 Nov 2009) $
#$Revision: 858 $
#$URL: svn://www.crystallography.net/cod/cif/2/2000343.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# 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_2000343
loop_
_publ_author_name
'Gravereau, P.'
'Boireau, A.'
'Dance, J. M.'
'Trut, L.'
'Tressaud, A.'
_publ_section_title
;
 Structure of the cobalt weberite Na~2~CoAlF~7~
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              2108
_journal_page_last               2111
_journal_volume                  48
_journal_year                    1992
_chemical_formula_sum            'Al Co F7 Na2'
_[local]_cod_chemical_formula_sum_orig 'Al1 Co1 F7 Na2'
_chemical_formula_weight         264.88
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 99.670(2)
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   12.3777(4)
_cell_length_b                   7.2100(3)
_cell_length_c                   24.0192(9)
_cell_volume                     2113.10(10)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.7107
_exptl_absorpt_coefficient_mu    3.645
_exptl_crystal_density_diffrn    3.33
_exptl_crystal_F_000             2000
_[local]_cod_data_source_file    du0332.cif
_[local]_cod_data_source_block   du0332a
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na(1) .0 .0 .0
Na(2) .0 .5 .0
Na(3) .25 .25 .0
Na(4) .0 .2853(2) .25
Na(5) .24690(10) .0456(2) .24761(4)
Na(6) .37320(10) .0089(2) .12145(5)
Co(1) .12240(3) .01138(4) .372390(10)
Co(2) .37334(3) .26382(4) .37400(2)
Al(1) .25 .25 .5
Al(2) .5 .25220(10) .25
Al(3) .12640(10) .26510(10) .12584(4)
F(11) .16800(10) .0930(2) .45300(10)
F(12) .35030(10) .2767(2) .45460(10)
F(13) .17230(10) .4493(2) .46870(10)
F(21) .42250(10) .0751(2) .20930(10)
F(22) .39490(10) .2580(2) .29330(10)
F(23) .42420(10) .4372(2) .20920(10)
F(31) .26180(10) .3155(2) .11260(10)
F(32) .00830(10) .2118(2) .35990(10)
F(33) .17380(10) .0305(2) .14010(10)
F(34) .08770(10) .2210(2) .05110(10)
F(35) .07830(10) .4985(2) .11150(10)
F(36) .16520(10) .3109(2) .20080(10)
F(4) .47040(10) .3255(2) .09480(10)
F(5) .21730(10) .1996(2) .34180(10)