#------------------------------------------------------------------------------
#$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $
#$Revision: 14 $
#$URL: svn://www.crystallography.net/cod/cif/9/9007719.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_9007719
_chemical_name 'Namansilite'
loop_
_publ_author_name
'Ohashi H'
'Osawa T'
'Tsukimura K'
_journal_name_full "Acta Crystallographica, Section C"
_journal_volume 43
_journal_year 1987
_journal_page_first 605
_journal_page_last 607
_publ_section_title
;
 Refinement of the structure of manganese sodium dimetasilicate
 Locality: synthetic
 Note: pyroxene
 Note: anisoB's from ICSD
;
_chemical_formula_sum 'Na Mn Si2 O6'
_cell_length_a 9.513
_cell_length_b 8.621
_cell_length_c 5.354
_cell_angle_alpha 90
_cell_angle_beta 105.14
_cell_angle_gamma 90
_cell_volume 423.849
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-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_Uiso_or_equiv
NaM2   0.00000   0.29820   0.25000   0.00950
MnM1   0.00000   0.90578   0.25000   0.00317
Si   0.29402   0.08865   0.24630   0.00393
O1   0.11720   0.07610   0.16120   0.00595
O2   0.36090   0.25970   0.30380   0.00823
O3   0.35630   0.00800   0.01910   0.00671