#------------------------------------------------------------------------------
#$Date: 2023-05-10 20:44:19 +0300 (Wed, 10 May 2023) $
#$Revision: 283658 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/45/9014538.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_9014538
loop_
_publ_author_name
'Chukanov, N. V.'
'Britvin, S. N.'
'Blass, G.'
'Belakovskiy, D. I.'
'Van, K. V.'
_publ_section_title
;
 Windhoekite, Ca2Fe3+3-x(Si8O20)(OH)4*10H2O, a new palygorskite-group mineral
 from the Aris phonolite, Namibia
 Note: the chemical formula for this mineral cannot be obtained from the
 crystal structure. The structure is missing two oxygens, and
 the OH positions were not given.
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              171
_journal_page_last               179
_journal_paper_doi               10.1127/0935-1221/2011/0023-2161
_journal_volume                  24
_journal_year                    2012
_chemical_compound_source        'Aris phonolite, Namibia'
_chemical_formula_sum            'Ca1.98 Fe2.76 H20 Mn0.14 O32 Si8'
_chemical_name_mineral           Windhoekite
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 103.5
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.319
_cell_length_b                   17.825
_cell_length_c                   5.242
_cell_volume                     1300.980
_database_code_amcsd             0018919
_exptl_crystal_density_diffrn    2.548
_cod_original_formula_sum        'Ca1.98 Mn.14 Fe2.76 Si8 O32 H20'
_cod_database_code               9014538
loop_
_space_group_symop_operation_xyz
x,y,z
1/2+x,1/2+y,z
x,-y,z
1/2+x,1/2-y,z
-x,y,-z
1/2-x,1/2+y,-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_occupancy
_atom_site_U_iso_or_equiv
_atom_site_type_symbol
_atom_site_attached_hydrogens
CaM3 0.50000 0.31300 0.00000 0.62000 0.05700 Ca 0
Mn2+M3 0.50000 0.31300 0.00000 0.04000 0.05700 Mn 0
CaM4 0.50000 0.23000 0.50000 0.37000 0.05300 Ca 0
Mn2+M4 0.50000 0.23000 0.50000 0.03000 0.05300 Mn 0
Fe3+M1 0.50000 0.50000 0.00000 1.00000 0.02940 Fe 0
Fe3+M2 0.50000 0.41260 0.50000 0.88000 0.03010 Fe 0
Si1 0.30010 0.41620 0.03140 1.00000 0.02220 Si 0
Si2 0.29870 0.33130 0.52620 1.00000 0.02720 Si 0
O1 0.41800 0.41670 0.11440 1.00000 0.02600 O 0
O2 0.41540 0.33080 0.59100 1.00000 0.03600 O 0
O3 0.25000 0.25000 0.50000 1.00000 0.04100 O 0
O4 0.56850 0.50000 0.36440 1.00000 0.03300 O 0
O5 0.25760 0.50000 0.00150 1.00000 0.03100 O 0
O6 0.25660 0.37350 0.24950 1.00000 0.03100 O 0
O7 0.25980 0.37450 0.75500 1.00000 0.03200 O 0
Wat1 0.10600 0.50000 0.36100 1.00000 0.26000 O 2
Wat2 0.40640 0.23020 0.10700 1.00000 0.13200 O 2
Wat3 0.48700 0.10600 0.69800 1.00000 0.87000 O 2
loop_
_cod_changelog_entry_id
_cod_changelog_entry_author
_cod_changelog_entry_date
_cod_changelog_entry_text
1
;cod-tools version 3.8.0
Id: cif_guess_AMCSD_atom_types 9574 2023-05-10 09:00:05Z saulius
;
2023-05-10T18:55:14+03:00
;Derived atom types and hydrogen counts
from atom names that follow the AMCSD naming convention
(Wat == water, O-H == hydroxyl).
;
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0018919
