#------------------------------------------------------------------------------
#$Date: 2024-05-06 10:39:41 +0300 (Mon, 06 May 2024) $
#$Revision: 291735 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/93/9009362.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_9009362
loop_
_publ_author_name
'Giuseppetti, G.'
'Tadini, P.'
_publ_section_title
;
 The crystal structure of vigezzite, (Ca,Ce)(Nb,Ta,Ti)2O6,
 intermediate term of the aeschynite series
;
_journal_name_full               'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_page_first              301
_journal_page_last               308
_journal_volume                  1990
_journal_year                    1990
_chemical_compound_source        'Vigezzo Valley, Novara, Italy'
_chemical_formula_sum            'Ca0.75 Ce0.25 Nb0.95 O6 Ta0.63 Ti0.42'
_chemical_name_mineral           Vigezzite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   11.065
_cell_length_b                   7.527
_cell_length_c                   5.343
_cell_formula_units_Z            4
_cell_volume                     444.998
_database_code_amcsd             0014844
_exptl_crystal_density_diffrn    5.723
_cod_original_formula_sum        '(Ca.75 Ce.25) (Nb.95 Ta.63 Ti.42) O6'
_cod_database_code               9009362
loop_
_space_group_symop_operation_xyz
x,y,z
x,1/2-y,z
-x,1/2+y,-z
1/2-x,1/2+y,1/2+z
1/2+x,1/2-y,1/2-z
1/2+x,y,1/2-z
1/2-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
CaA 0.45650 0.25000 0.03910 0.75000 0.01191
CeA 0.45650 0.25000 0.03910 0.25000 0.01191
NbB 0.35870 0.50610 0.53820 0.47500 0.01203
TaB 0.35870 0.50610 0.53820 0.31500 0.01203
TiB 0.35870 0.50610 0.53820 0.21000 0.01203
O1 0.28750 0.43900 0.87220 1.00000 0.01381
O2 0.52510 0.45830 0.73000 1.00000 0.01292
O3 0.62230 0.25000 0.33450 1.00000 0.01355
O4 0.35450 0.25000 0.44850 1.00000 0.01330
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0014844
