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#$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $
#$Revision: 858 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9009418.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_9009418
loop_
_publ_author_name
'Zubkova N V'
'Pushcharovsky D Y'
'Ivaldi G'
'Ferraris G'
'Pekov I V'
'Chukanov N V'
_publ_section_title
;
 Crystal structure of natrite, gamma-Na2CO3
 Locality: Mt Koashva, Khibiny alkaline massif, Kola Peninsula, Russia
;
_journal_name_full               'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_page_first              85
_journal_page_last               96
_journal_volume                  2002
_journal_year                    2002
_chemical_formula_sum            'C Na2 O3'
_[local]_cod_chemical_formula_sum_orig 'Na2 C O3'
_chemical_name_mineral           Natrite
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 101.32
_cell_angle_gamma                90
_cell_length_a                   8.905
_cell_length_b                   5.237
_cell_length_c                   6.045
_cell_volume                     276.427
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,z
x,-y,z
1/2+x,1/2-y,z
-x,y,-z
1/2-x,1/2+y,-z
-x,-y,-z
1/2-x,1/2-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Na1 0.00000 0.00000 0.00000 0.02875
Na2 0.00000 0.00000 0.50000 0.03116
Na3 0.17047 0.50000 0.74780 0.04078
C 0.16450 0.50000 0.24970 0.02343
O1 0.10230 0.29440 0.28590 0.05801
O2 0.28940 0.50000 0.17810 0.02292