#------------------------------------------------------------------------------
#$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $
#$Revision: 35913 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/94/9009494.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_9009494
loop_
_publ_author_name
'Alietti, E.'
'Brigatti, M. F.'
'Capedri, S.'
'Poppi, L.'
_publ_section_title
;
 The roedderite-chayesite series from Spanish lamproites:
 crystal chemical characterization
 Locality: Cancarix, Albacete province, Spain
;
_journal_name_full               'Mineralogical Magazine'
_journal_page_first              655
_journal_page_last               662
_journal_volume                  58
_journal_year                    1994
_chemical_formula_sum            'Fe0.8 K0.85 Mg4.2 Na0.29 O30 Si12'
_chemical_name_mineral           Chayesite
_space_group_IT_number           192
_symmetry_space_group_name_Hall  '-P 6 2c'
_symmetry_space_group_name_H-M   'P 6/m c c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   10.128
_cell_length_b                   10.128
_cell_length_c                   14.312
_cell_volume                     1271.389
_exptl_crystal_density_diffrn    2.622
_[local]_cod_chemical_formula_sum_orig 'K.85 Na.29 (Mg4.2 Fe.8) Si12 O30'
_cod_database_code               9009494
_amcsd_database_code             AMCSD#0012110
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-x+y,1/2+z
x,x-y,1/2-z
-x+y,-x,-z
x-y,x,z
-y,-x,1/2+z
y,x,1/2-z
y,-x+y,-z
-y,x-y,z
x-y,-y,1/2+z
-x+y,y,1/2-z
x,y,-z
-x,-y,z
x,x-y,1/2+z
-x,-x+y,1/2-z
x-y,x,-z
-x+y,-x,z
y,x,1/2+z
-y,-x,1/2-z
-y,x-y,-z
y,-x+y,z
-x+y,y,1/2+z
x-y,-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
KC 0.02026 0.02026 0.02621 0.01013 0.00000 0.00000
NaC 0.02026 0.02026 0.02621 0.01013 0.00000 0.00000
MgA 0.00899 0.00899 0.01570 0.00456 0.00000 0.00000
Fe3+A 0.00899 0.00899 0.01570 0.00456 0.00000 0.00000
MgT2 0.00671 0.01824 0.01267 0.00912 0.00000 0.00000
Fe3+T2 0.00671 0.01824 0.01267 0.00912 0.00000 0.00000
SiT1 0.00836 0.00950 0.01254 0.00507 0.00076 0.00101
O1 0.02470 0.01963 0.01761 0.01102 0.00000 0.00000
O2 0.01722 0.02128 0.02305 0.01330 0.00000 -0.00013
O3 0.01140 0.01203 0.01684 0.00570 -0.00152 -0.00304
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
KC 0.00000 0.00000 0.25000 0.85000 0.02229
NaC 0.00000 0.00000 0.25000 0.15000 0.02229
NaB 0.33333 0.66667 0.00000 0.07000 0.01013
MgA 0.33333 0.66667 0.25000 0.84000 0.01127
Fe3+A 0.33333 0.66667 0.25000 0.16000 0.01127
MgT2 0.50000 0.50000 0.25000 0.84000 0.01127
Fe3+T2 0.50000 0.50000 0.25000 0.16000 0.01127
SiT1 0.23803 0.35318 0.39069 1.00000 0.00988
O1 0.13040 0.39470 0.00000 1.00000 0.02064
O2 0.21980 0.27810 0.13350 1.00000 0.01887
O3 0.15530 0.49710 0.17254 1.00000 0.01355