#------------------------------------------------------------------------------
#$Date: 2015-07-12 18:40:39 +0300 (Sun, 12 Jul 2015) $
#$Revision: 147184 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/60/1526078.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_1526078
loop_
_publ_author_name
'Mueller-Bunz, H.'
'Schleid, T.'
_publ_section_title
;
 Ueber den H- und A-Typ von La2 (Si2 O7)
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              2549
_journal_page_last               2556
_journal_volume                  626
_journal_year                    2000
_chemical_formula_sum            'La2 O7 Si2'
_chemical_name_systematic        'La2 (Si2 O7)'
_space_group_IT_number           76
_symmetry_space_group_name_Hall  'P 4w'
_symmetry_space_group_name_H-M   'P 41'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   6.8383
_cell_length_b                   6.8383
_cell_length_c                   24.736
_cell_volume                     1156.713
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Mueller-Bunz_ZAACAB_2000_788.cif
_cod_data_source_block           La2O7Si2
_cod_original_cell_volume        1156.714
_cod_database_code               1526078
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x,z+1/4
-x,-y,z+1/2
y,-x,z+3/4
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
O3 O-2 0.1431 0.1455 0.6014 1 0.0
Si3 Si+4 0.8469 0.2246 0.48347 1 0.0
O11 O-2 0.7166 0.3635 0.4412 1 0.0
O4 O-2 0.1213 0.5613 0.4233 1 0.0
O1 O-2 0.2183 0.8121 0.658 1 0.0
La1 La+3 0.6682 0.92245 0 1 0.0
La3 La+3 0.75184 0.689 0.50142 1 0.0
Si2 Si+4 0.2559 0.6183 0.47637 1 0.0
O10 O-2 0.8913 0.3734 0.5338 1 0.0
Si1 Si+4 0.0029 0.6967 0.37912 1 0.0
La2 La+3 0.77154 0.11495 0.60931 1 0.0
O12 O-2 0.527 0.4875 0.6077 1 0.0
O6 O-2 0.1211 0.7492 0.5163 1 0.0
O14 O-2 0.8633 0.4277 0.6554 1 0.0
La4 La+3 0.17384 0.52081 0.60187 1 0.0
O7 O-2 0.4336 0.7582 0.4565 1 0.0
Si4 Si+4 0.7066 0.5939 0.63628 1 0.0
O5 O-2 0.3312 0.4304 0.5091 1 0.0
O13 O-2 0.8253 0.7454 0.5981 1 0.0
O8 O-2 0.8507 0.0371 0.7016 1 0.0
O9 O-2 0.7171 0.0488 0.5085 1 0.0
O2 O-2 0.4612 0.9487 0.5829 1 0.0
