#------------------------------------------------------------------------------
#$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $
#$Revision: 858 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9009495.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_9009495
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            'Fe0.7 K0.8 Mg4.3 Na0.6 O30 Si12'
_[local]_cod_chemical_formula_sum_orig 'K.8 Na.6 (Mg4.3 Fe.7) Si12 O30'
_chemical_name_mineral           Roedderite
_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                   10.135
_cell_length_b                   10.135
_cell_length_c                   14.320
_cell_volume                     1273.858
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_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 0.80000 0.02077
NaC 0.00000 0.00000 0.25000 0.20000 0.02077
NaB 0.33333 0.66667 -0.01880 0.10000 0.01267
MgA 0.33333 0.66667 0.25000 0.86000 0.01064
Fe3+A 0.33333 0.66667 0.25000 0.14000 0.01064
MgT2 0.50000 0.50000 0.25000 0.86000 0.01051
Fe3+T2 0.50000 0.50000 0.25000 0.14000 0.01051
SiT1 0.23807 0.35288 0.39065 1.00000 0.01013
O1 0.12990 0.39430 0.00000 1.00000 0.02102
O2 0.21970 0.27770 0.13325 1.00000 0.01900
O3 0.15520 0.49670 0.17230 1.00000 0.01393
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 0.01963 0.01963 0.02279 0.00988 0.00000 0.00000
NaC 0.01963 0.01963 0.02279 0.00988 0.00000 0.00000
MgA 0.01013 0.01013 0.01178 0.00507 0.00000 0.00000
Fe3+A 0.01013 0.01013 0.01178 0.00507 0.00000 0.00000
MgT2 0.00747 0.01976 0.00836 0.00988 0.00000 0.00000
Fe3+T2 0.00747 0.01976 0.00836 0.00988 0.00000 0.00000
SiT1 0.01064 0.01165 0.00912 0.00621 0.00063 0.00089
O1 0.02850 0.02293 0.01140 0.01266 0.00000 0.00000
O2 0.01976 0.02242 0.01976 0.01406 0.00051 0.00063
O3 0.01317 0.01431 0.01393 0.00671 -0.00101 -0.00228