#------------------------------------------------------------------------------
#$Date: 2013-05-09 16:53:25 +0300 (Thu, 09 May 2013) $
#$Revision: 86000 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/42/9014298.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_9014298
loop_
_publ_author_name
'Frank-Kamenetskaya O V'
'Fundamenskii, V. S.'
'Tsytsenko, A. K.'
'Frank-Kamenetskii V A'
_publ_section_title
;
 Crystal structure of gagarinite from precision X-ray data:
 Structural changes in the NaCaTRF6-Na1.5TR1.5F6 series
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              923
_journal_page_last               928
_journal_volume                  39
_journal_year                    1994
_chemical_compound_source
'ultra-alkaline rare-metal feldspar pegmatites from eastern Siberia'
_chemical_formula_sum            'Ca0.498 Eu0.299 F3 Na0.558 Y0.198'
_chemical_name_mineral           Gagarinite-(Eu)
_space_group_IT_number           176
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   6.0403
_cell_length_b                   6.0403
_cell_length_c                   3.5899
_cell_volume                     113.431
_database_code_amcsd             0012345
_exptl_crystal_density_diffrn    4.474
_[local]_cod_chemical_formula_sum_orig 'Na.558 Ca.498 Eu.299 Y.198 F3'
_cod_database_code               9014298
loop_
_space_group_symop_operation_xyz
x,y,z
-x+y,-x,1/2-z
x-y,x,1/2+z
y,-x+y,-z
-y,x-y,z
x,y,1/2-z
-x,-y,1/2+z
x-y,x,-z
-x+y,-x,z
-y,x-y,1/2-z
y,-x+y,1/2+z
-x,-y,-z
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
Na1 0.01115 0.01115 0.01874 0.00557 0.00000 0.00000
Na2 0.00773 0.00773 0.01646 0.00380 0.00000 0.00000
Ca 0.00773 0.00773 0.00798 0.00393 0.00000 0.00000
Eu 0.00773 0.00773 0.00798 0.00393 0.00000 0.00000
Y 0.00773 0.00773 0.00798 0.00393 0.00000 0.00000
F ********** ********** ********** 7345.85449 0.00000 0.00000
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Na1 0.00000 0.00000 0.96200 0.18900
Na2 0.00000 0.00000 0.28400 0.09000
Ca 0.66667 0.33333 0.25000 0.49800
Eu 0.66667 0.33333 0.25000 0.29900
Y 0.66667 0.33333 0.25000 0.19800
F 0.30890 0.39320 0.25000 1.00000