#------------------------------------------------------------------------------
#$Date: 2014-07-11 17:04:56 +0100 (Fri, 11 Jul 2014) $
#$Revision: 120072 $
#$URL: svn://www.crystallography.net/cod/cif/2/20/03/2200374.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_2200374
_journal_name_full  'Acta Crystallographica, Section E'
_journal_year  2001
_journal_volume  57
_journal_page_first  i60
_journal_page_last  i61
_publ_section_title
;
A powder diffraction study of Sr~3~Al~10~SiO~20~
;
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_[local]_cod_cif_authors_sg_H-M  'C 2/m'
_[local]_cod_cif_authors_sg_Hall -C_2
loop_
_publ_author_name
  'Kubota, Shunichi'
  'Hisanori, Yamane'
  'Masahiko, Shimada'
_chemical_formula_moiety  'Sr3 Al10 Si O20'
_chemical_formula_sum  'Al10 O20 Si Sr3'
_chemical_formula_structural  'Sr3 Al10 Si O20'
_chemical_formula_iupac  'Sr3 Al10 Si O20'
_chemical_formula_weight  880.75
_symmetry_cell_setting  monoclinic
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
  1 '1/2+x,1/2+y,z'
  2 '-x,-y,-z'
  3 '1/2-x,1/2-y,-z'
  4 '-x,y,-z'
  5 '1/2-x,1/2+y,-z'
  6 'x,-y,z'
  7 '1/2+x,1/2-y,z'
  8 'x,y,z'
_cell_length_a  15.1416(18)
_cell_length_b  11.1843(12)
_cell_length_c  4.902560
_cell_angle_alpha  90.0
_cell_angle_beta  108.117(5)
_cell_angle_gamma  90.0
_cell_volume  789.06(16)
_cell_formula_units_Z  2
_cell_measurement_temperature  293
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
_atom_site_occupancy
_atom_site_type_symbol
  O1 .0855(4) .2463(5) .4289(12) .0056(8) Uiso 1 O
  Al1 .1347(3) .2119(2) .1632(8) .0037(9) Uiso .875 Al
  Si1 .1347(3) .2119(2) .1632(8) .0037(9) Uiso .125 Si
  O2 .2398(4) .1419(5) .3237(12) .0056(8) Uiso 1 O
  Al2 .3549(3) .1381(2) .3471(8) .0089(8) Uiso .875 Al
  Si2 .3549(3) .1381(2) .3471(8) .0089(8) Uiso .125 Si
  O3 .3604(5) .1510(4) .0032(11) .0056(8) Uiso 1 O
  O4 .4279(4) .3808(5) .1046(11) .0056(8) Uiso 1 O
  O5 .0658(6) 0 .3853(17) .0056(8) Uiso 1 O
  Sr1 .21680(10)
  0 .7386(3) .0168(6) Uiso 1 Sr
  O6 .4013(5) 0 .4756(16) .0056(8) Uiso 1 O
  Al3 0 .1280(4) .5 .0077(11) Uiso 1 Al
  Sr2 0 .5 0 .0127(7) Uiso 1 Sr
  Al4 0 0 0 .013(2) Uiso 1 Al
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_1
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
  Sr1 O5 . . 2.401(8) yes
  Sr1 O2 . . 2.686(6) yes
  Sr1 O2 . 6 2.686(6) ?
  Sr1 O3 . 8_556 2.740(6) yes
  Sr1 O3 . 6_556 2.740(6) ?
  Sr1 O4 . 5_546 2.866(6) yes
  Sr1 O4 . 3_556 2.866(6) ?
  Sr1 O2 . 8_556 3.201(6) yes
  Sr1 O2 . 6_556 3.201(6) ?
  Sr1 O6 . . 3.408(8) yes
  Sr2 O6 . 1_455 2.540(8) yes
  Sr2 O6 . 3_556 2.540(8) ?
  Sr2 O3 . 3 2.710(6) yes
  Sr2 O3 . 1_455 2.710(6) ?
  Sr2 O3 . 5 2.710(6) ?
  Sr2 O3 . 7_455 2.710(6) ?
  Sr2 O6 . 3 3.137(8) yes
  Sr2 O6 . 1_455 3.137(8) ?
  Al1 O4 . 3 1.710(6) yes
  Al1 O2 . . 1.728(6) yes
  Al1 O1 . . 1.734(6) yes
  Al1 O3 . 3 1.749(5) yes
  Si1 O4 . 3 1.710(6) ?
  Si1 O2 . . 1.728(6) ?
  Si1 O1 . . 1.734(6) ?
  Si1 O3 . 3 1.749(5) ?
  Al2 O2 . . 1.711(6) yes
  Al2 O3 . . 1.720(6) yes
  Al2 O6 . . 1.732(4) yes
  Al2 O1 . 3_556 1.754(6) yes
  Si2 O2 . . 1.711(6) ?
  Si2 O3 . . 1.720(6) ?
  Si2 O6 . . 1.732(4) ?
  Si2 O1 . 3_556 1.754(6) ?
  Al3 O4 . 7_455 1.908(6) yes
  Al3 O4 . 3_556 1.908(6) ?
  Al3 O5 . . 1.925(5) yes
  Al3 O5 . 2_556 1.925(5) ?
  Al3 O1 . . 1.957(6) yes
  Al3 O1 . 4_556 1.957(6) ?
  Al4 O5 . . 1.841(8) yes
  Al4 O5 . 2 1.841(8) ?
  Al4 O4 . 3 1.892(5) yes
  Al4 O4 . 7_455 1.892(5) ?
  Al4 O4 . 5_545 1.892(5) yes
  Al4 O4 . 1_445 1.892(5) ?
_cod_database_code 2200374
_journal_paper_doi 10.1107/S1600536801007346