data_global
_chemical_name_mineral 'Lucasite-(Ce)'
loop_
_publ_author_name
'Nickel E H'
'Grey I E'
'Madsen I C'
_journal_name_full 'American Mineralogist'
_journal_volume 72 
_journal_year 1987
_journal_page_first 1006
_journal_page_last 1010
_publ_section_title
;
 Lucasite-(Ce), CeTi2(O,OH)6, a new mineral from Western Australia: Its
 description and structure
;
_database_code_amcsd 0001128
_chemical_formula_sum 'Ce Ti2 O6'
_cell_length_a 5.178
_cell_length_b 8.756
_cell_length_c 9.768
_cell_angle_alpha 90
_cell_angle_beta 93.52
_cell_angle_gamma 90
_cell_volume 442.032
_exptl_crystal_density_diffrn      4.987
_symmetry_space_group_name_H-M 'I 1 2/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2+x,-y,z'
  '+x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ce   0.25000   0.18940   0.00000
Ti   0.21870   0.91540   0.26510
O1   0.60070   0.25410   0.14110
O2   0.40830   0.07990   0.36920
O3   0.99760   0.04500   0.14020
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
Ce 0.01110 0.01600 0.01190 0.00000 0.00110 0.00000
Ti 0.01220 0.01010 0.01630 0.00030 0.00060 0.00140
O1 0.01600 0.01100 0.01600 0.00100 0.00000 0.00000
O2 0.01400 0.01100 0.02200 -0.00300 0.00800 -0.00600
O3 0.01200 0.01700 0.01400 0.00600 0.00300 0.00200