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#$Date: 2008-03-10 10:25:41 +0200 (Mon, 10 Mar 2008) $
#$Revision: 255 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9009950.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_9009950
loop_
_publ_author_name
'Kabalov Yu K'
'Sokolova E V'
'Pautov L A'
'Schneider J'
_publ_section_title
;
 Crystal structure of a new mineral turkestanite: a calcium analogue of steacyite
 Locality: Dzhelisu massif, Alayskiy range, Tien Shan, Kyrgyzstan
 Note: calculated Biso's disagree with reported values
 Note: z(O3) adjusted to match reported bond lengths
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              584
_journal_page_last               588
_journal_volume                  43
_journal_year                    1998
_chemical_formula_sum            'Th Ca1.4 Na.5 K.53 Si8 O20'
_chemical_name_mineral           Turkestanite
_symmetry_space_group_name_H-M   'P 4/m c c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.5792
_cell_length_b                   7.5792
_cell_length_c                   14.7042
_cell_volume                     844.672
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,-x,1/2+z
y,x,1/2-z
y,-x,-z
-y,x,z
x,-y,1/2+z
-x,y,1/2-z
x,y,-z
-x,-y,z
y,x,1/2+z
-y,-x,1/2-z
-y,x,-z
y,-x,z
-x,y,1/2+z
x,-y,1/2-z
-x,-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
ThA 0.00000 0.00000 0.25000 1.00000 0.01077
CaB 0.00000 0.50000 0.25000 0.70000 0.00887
NaB 0.00000 0.50000 0.25000 0.25000 0.00887
KC 0.00000 0.00000 0.00000 0.53000 0.02280
Si 0.25970 0.33580 0.10730 1.00000 0.03546
O1 0.22900 0.31000 0.00000 1.00000 0.04179
O2 0.45400 0.26100 0.13370 1.00000 0.03293
O3 0.11100 0.25800 0.15740 1.00000 0.03293
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
ThA 0.01019 0.01019 0.03067 0.00000 0.00000 0.00000
CaB 0.00815 0.00815 0.02081 0.00000 0.00000 0.00000
NaB 0.00815 0.00815 0.02081 0.00000 0.00000 0.00000
KC 0.07566 0.07566 0.02191 0.00000 0.00000 0.00000
Si 0.02328 0.02037 0.06463 -0.00291 0.00000 0.00226