data_global
_amcsd_formula_title 'O49 W18'
loop_
_publ_author_name
'Lamire M'
'Labbe P'
'Goreaud M'
'Raveau B'
_journal_name_full 'Revue de Chimie Minerale'
_journal_volume 24 
_journal_year 1987
_journal_page_first 369
_journal_page_last 381
_publ_section_title
;
 Refinement et nouvelle analyse de la structure de W18 O49
 _cod_database_code 1001678
;
_database_code_amcsd 0015402
_chemical_formula_sum 'W18 O49'
_cell_length_a 18.31819
_cell_length_b 3.7828
_cell_length_c 14.0280
_cell_angle_alpha 90
_cell_angle_beta 115.2110
_cell_angle_gamma 90
_cell_volume 879.464
_exptl_crystal_density_diffrn      7.729
_symmetry_space_group_name_H-M 'P 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,-y,z'
  '-x,y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
W1   0.07308   0.50000   0.00189
W2   0.08618   0.50000   0.28606
W3   0.12754   0.50000   0.75940
W4   0.22145   0.50000   0.57287
W5   0.25608   0.50000   0.00971
W6   0.27585   0.50000   0.25143
W7   0.35843   0.50000   0.86371
W8   0.41397   0.50000   0.53803
W9   0.45266   0.50000   0.16795
O1   0.07700   0.00000   0.00400
O2   0.08100   0.00000   0.27700
O3   0.13000   0.00000   0.76800
O4   0.22000   0.00000   0.57900
O5   0.25600   0.00000   0.01100
O6   0.27600   0.00000   0.24600
O7   0.36200   0.00000   0.87500
O8   0.41300   0.00000   0.53800
O9   0.44900   0.00000   0.16500
O10   0.01700   0.50000   0.71100
O11   0.03600   0.50000   0.12100
O12   0.13600   0.50000   0.91000
O13   0.14300   0.50000   0.43100
O14   0.14700   0.50000   0.64100
O15   0.19500   0.50000   0.09700
O16   0.18800   0.50000   0.27800
O17   0.24300   0.50000   0.85900
O18   0.30600   0.50000   0.72500
O19   0.31100   0.50000   0.54400
O20   0.34000   0.50000   0.16500
O21   0.35100   0.50000   0.38500
O22   0.37100   0.50000   0.01600
O23   0.46500   0.50000   0.87900
O24   0.51400   0.50000   0.31000
O25   0.50000   0.50000   0.50000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
W1 0.00340 0.00220 0.00410 0.00000 0.00250 0.00000
W2 0.00450 0.00140 0.00560 0.00000 0.00340 0.00000
W3 0.00460 0.00850 0.00510 0.00000 0.00350 0.00000
W4 0.00570 0.00280 0.00510 0.00000 0.00340 0.00000
W5 0.00360 0.00160 0.00470 0.00000 0.00250 0.00000
W6 0.00460 0.00760 0.00460 0.00000 0.00290 0.00000
W7 0.00390 0.00290 0.00420 0.00000 0.00260 0.00000
W8 0.00560 0.00280 0.00620 0.00000 0.00370 0.00000
W9 0.00400 0.00320 0.00510 0.00000 0.00250 0.00000