data_global
_chemical_name_mineral 'Aeschynite-(Y)'
loop_
_publ_author_name
'Bonazzi P'
'Menchetti S'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 11 
_journal_year 1999
_journal_page_first 1043
_journal_page_last 1049
_publ_section_title
;
 Crystal chemistry of aeschynite-(Y) from the Western Alps:
 residual electron density on difference-Fourier map
 Sample: TR2
;
_database_code_amcsd 0006809
_chemical_compound_source 'western Alps'
_chemical_formula_sum 'Y.55 Ce.011 Pr.002 Nd.026 Sm.016 Gd.091 Dy.079 Er.034 Yb.022 Th.1 U.03 Ca.02 Ti1.81 Nb.09 Ta.01 W.11 O6'
_cell_length_a 10.904
_cell_length_b 7.490
_cell_length_c 5.189
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 423.791
_exptl_crystal_density_diffrn      5.293
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
YA   0.45130   0.25000   0.03440   0.55000   0.01880
CeA   0.45130   0.25000   0.03440   0.01100   0.01880
PrA   0.45130   0.25000   0.03440   0.00200   0.01880
NdA   0.45130   0.25000   0.03440   0.02600   0.01880
SmA   0.45130   0.25000   0.03440   0.01600   0.01880
GdA   0.45130   0.25000   0.03440   0.09100   0.01880
DyA   0.45130   0.25000   0.03440   0.07900   0.01880
ErA   0.45130   0.25000   0.03440   0.03400   0.01880
YbA   0.45130   0.25000   0.03440   0.02200   0.01880
ThA   0.45130   0.25000   0.03440   0.10000   0.01880
UA   0.45130   0.25000   0.03440   0.03000   0.01880
CaA   0.45130   0.25000   0.03440   0.02000   0.01880
TiB   0.35880   0.51190   0.54270   0.90500   0.02270
NbB   0.35880   0.51190   0.54270   0.04500   0.02270
TaB   0.35880   0.51190   0.54270   0.00500   0.02270
WB   0.35880   0.51190   0.54270   0.04500   0.02270
WC   0.17100   0.25000   0.60900   0.02000   0.02000
O1   0.28730   0.43810   0.87800   1.00000   0.02500
O2   0.52690   0.45760   0.73670   1.00000   0.02600
O3   0.61820   0.25000   0.31650   1.00000   0.02900
O4   0.35240   0.25000   0.43930   1.00000   0.02600