#------------------------------------------------------------------------------
#$Date$
#$Revision$
#$URL$
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#
# 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_9012617
loop_
_publ_author_name
'Rastsvetaeva, R. K.'
'Rekhlova, O. Y.'
'Khomyakov, A. P.'
_publ_section_title
;
 Crystal structure of a new natural Na,K,Fe silicate
 Locality: Khibiny massif, Kola peninsula, Russia
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              500
_journal_page_last               503
_journal_volume                  36
_journal_year                    1991
_chemical_formula_sum            'Fe0.9 H12 K3 Mn0.7 Na4 O28 Si8 Ti0.4'
_chemical_name_mineral           Ershovite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                103.491
_cell_angle_beta                 96.960
_cell_angle_gamma                91.945
_cell_length_a                   10.244
_cell_length_b                   11.924
_cell_length_c                   5.276
_cell_volume                     620.766
_[local]_cod_data_source_file    12648.cif
_[local]_cod_data_source_block   global
_[local]_cod_chemical_formula_sum_orig 'K3 Na4 (Fe.9 Mn.7 Ti.4) Si8 O28 H12'
loop_
_symmetry_equiv_pos_as_xyz
x,y,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
K1 0.55050 0.13660 0.82680 1.00000 0.02419
K2 0.50000 0.50000 0.50000 1.00000 0.03850
Na1 0.97050 0.86480 0.46960 1.00000 0.02356
Na2 0.99550 0.73430 0.88310 1.00000 0.02913
Fe2+M 0.00350 0.42520 0.70390 0.45000 0.01874
MnM 0.00350 0.42520 0.70390 0.35000 0.01874
TiM 0.00350 0.42520 0.70390 0.20000 0.01874
Si1 0.73480 0.27830 0.42240 1.00000 0.01469
Si2 0.71630 0.67260 0.13250 1.00000 0.01469
Si3 0.73430 0.41440 0.98860 1.00000 0.01418
Si4 0.68350 0.80860 0.69820 1.00000 0.01545
O1 0.67450 0.35280 0.68550 1.00000 0.01900
O2 0.89130 0.28680 0.47230 1.00000 0.01900
O3 0.64890 0.72300 0.88970 1.00000 0.02153
O4 0.87150 0.68980 0.17590 1.00000 0.02026
O5 0.89100 0.43200 0.01920 1.00000 0.01900
O6 0.82930 0.86360 0.77160 1.00000 0.02280
O7 0.66370 0.53600 0.05630 1.00000 0.02026
O8 0.64980 0.73080 0.39280 1.00000 0.02026
O9 0.68120 0.33860 0.17950 1.00000 0.01773
O10 0.67070 0.14910 0.35950 1.00000 0.02153
O11 0.57400 0.90530 0.72900 1.00000 0.02153
O12 0.89240 0.54860 0.57810 1.00000 0.02660
O13 0.86240 0.99230 0.26070 1.00000 0.03420
O14 0.85180 0.11330 0.81540 1.00000 0.03546
H1 0.86000 0.94000 0.14000 1.00000 0.01520
H2 0.50000 0.87000 0.68000 1.00000 0.03673
H3 0.81000 0.04000 0.26000 1.00000 0.03293
H4 0.85000 0.03000 0.80000 1.00000 0.04306
H5 0.81000 0.12000 0.66000 1.00000 0.02786
H6 0.83000 0.55000 0.52000 1.00000 0.05446