#------------------------------------------------------------------------------
#$Date: 2023-03-27 08:00:38 +0100 (Mon, 27 Mar 2023) $
#$Revision: 282074 $
#$URL: svn://www.crystallography.net/cod/cif/9/01/78/9017887.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_9017887
loop_
_publ_author_name
'Zubkova, N. V.'
'Pekov, I. V.'
'Pushcharovsky, D. Y.'
'Zadov, A. E.'
'Chukanov, N. V.'
_publ_section_title
;
 The crystal structure of aklimaite, Ca4[Si2O5(OH)2](OH)4*5H2O
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              452
_journal_page_last               455
_journal_volume                  227
_journal_year                    2012
_chemical_compound_source
'Mount Lakargi in KabardinoBalkaria, North Caucasus, Russia'
_chemical_formula_sum            'Ca4 H16 O16 Si2'
_chemical_name_mineral           Aklimaite
_space_group_IT_number           12
_space_group_name_Hall           '-C 2y'
_space_group_name_H-M_alt        'C 1 2/m 1'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 117.25
_cell_angle_gamma                90
_cell_length_a                   16.907
_cell_length_b                   3.6528
_cell_length_c                   13.068
_cell_volume                     717.483
_database_code_amcsd             0019808
_exptl_crystal_density_diffrn    2.262
_cod_data_source_file            inputs/fixed/split/13311.cif
_cod_data_source_block           13311
_cod_original_formula_sum        'Ca4 Si2 O16 H16'
_cod_database_code               9017887
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
Cal 0.00000 0.00000 0.50000 1.00000 0.02050
Ca2 -0.14346 0.50000 0.60449 1.00000 0.01860
Ca3 0.02580 0.00000 0.86590 0.50000 0.02950
Si -0.20100 0.42380 0.34470 0.50000 0.01390
O1 -0.10070 0.50000 0.44480 1.00000 0.02300
O-H2 0.03800 0.00000 0.34580 1.00000 0.01920
O3 -0.26730 0.50000 0.39960 1.00000 0.02110
O-H4 -0.08860 0.50000 0.81500 0.50000 0.04900
Wat4 -0.08860 0.50000 0.81500 0.50000 0.04900
O-H5 0.40750 0.00000 0.17430 0.50000 0.04400
Wat5 0.40750 0.00000 0.17430 0.50000 0.04400
Wat6 0.17680 0.00000 0.01530 1.00000 0.08700
O7 -0.21220 0.00000 0.29950 0.50000 0.02100
Wat8 -0.02240 0.00000 0.95330 0.50000 0.03100
O-H9 -0.22480 -0.34100 0.22890 0.50000 0.02630
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0019808