#------------------------------------------------------------------------------
#$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $
#$Revision: 966 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9007487.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_9007487
loop_
_publ_author_name
'Cannillo E'
'Coda A'
'Fagnani G'
_publ_section_title
;
 The crystal structure of bavenite
;
_journal_name_full               'Acta Crystallographica'
_journal_page_first              301
_journal_page_last               309
_journal_volume                  20
_journal_year                    1966
_chemical_formula_sum            'Al2 Be2 Ca4 H2 O28 Si9'
_[local]_cod_chemical_formula_sum_orig 'Ca4 Be2 Al2 Si9 O28 H2'
_chemical_name_mineral           Bavenite
_symmetry_space_group_name_H-M   'C m c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   23.19
_cell_length_b                   5.005
_cell_length_c                   19.39
_cell_volume                     2250.519
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,z
x,-y,1/2+z
1/2+x,1/2-y,1/2+z
-x,y,1/2-z
1/2-x,1/2+y,1/2-z
-x,y,z
1/2-x,1/2+y,z
x,-y,-z
1/2+x,1/2-y,-z
x,y,1/2-z
1/2+x,1/2+y,1/2-z
-x,-y,1/2+z
1/2-x,1/2-y,1/2+z
-x,-y,-z
1/2-x,1/2-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ca 0.08420 0.24250 0.15240 0.01634
Be2 0.12520 0.82180 0.25000 0.01735
Al4 0.09580 0.50000 0.00000 0.01229
Si1 0.00000 0.78020 0.25000 0.00975
Si3 0.00000 0.72270 0.10470 0.01165
Si5 0.17040 0.00000 0.00000 0.01191
Si6 0.21410 0.85390 0.14280 0.01026
O1 0.00000 0.57690 0.18300 0.01115
O2 0.00000 0.03020 0.11390 0.01722
O3 0.05720 0.59760 0.07180 0.01862
O4 0.13140 0.22980 0.03610 0.01634
O5 0.20810 0.86360 0.05980 0.01532
O6 0.23370 0.55750 0.16460 0.01494
O7 0.15470 0.92450 0.17990 0.01444
O8 0.12110 0.48680 0.25000 0.01545
O9 0.05860 0.95040 0.25000 0.01153
H 0.10000 0.26700 0.25000 ?
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
Ca 0.01440 0.02234 0.01225 0.00000 0.00000 0.00125
Be2 0.02402 0.01597 0.01210 0.00389 0.00000 0.00000
Al4 0.01000 0.01689 0.01000 0.00000 0.00000 0.00024
Si1 0.00490 0.01440 0.01000 0.00000 0.00000 0.00000
Si3 0.01000 0.01690 0.00810 0.00000 0.00000 0.00000
Si5 0.00810 0.01956 0.00813 0.00000 0.00000 0.00060
Si6 0.00816 0.01433 0.00810 -0.00065 0.00000 0.00000
O1 0.01690 0.00758 0.00881 0.00000 0.00000 -0.00169
O2 0.01690 0.02250 0.01210 0.00000 0.00000 0.00000
O3 0.01902 0.02371 0.01300 0.00352 0.00485 -0.00035
O4 0.01618 0.01952 0.01325 0.00335 0.00218 0.00238
O5 0.01381 0.01827 0.01390 0.00255 -0.00131 -0.00022
O6 0.01058 0.02129 0.01290 -0.00102 0.00056 0.00343
O7 0.01396 0.01588 0.01344 -0.00135 0.00072 0.00123
O8 0.01059 0.01631 0.01960 -0.00192 0.00000 0.00000
O9 0.00813 0.01210 0.01440 0.00034 0.00000 0.00000
_cod_database_code 9007487