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: TR1
;
_database_code_amcsd 0006807
_chemical_compound_source 'western Alps'
_chemical_formula_sum 'Y.639 Ce.005 Pr.001 Nd.011 Sm.01 Gd.068 Dy.065 Er.034 Yb.025 Th.06 U.004 Ca.01 (Ti1.95 Nb.05) W.03 O6'
_cell_length_a 10.862
_cell_length_b 7.483
_cell_length_c 5.150
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 418.594
_exptl_crystal_density_diffrn      4.868
_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   0.45030   0.25000   0.03330   0.63900   0.01500
CeA   0.45030   0.25000   0.03330   0.00500   0.01500
PrA   0.45030   0.25000   0.03330   0.00100   0.01500
NdA   0.45030   0.25000   0.03330   0.01100   0.01500
SmA   0.45030   0.25000   0.03330   0.01000   0.01500
GdA   0.45030   0.25000   0.03330   0.06800   0.01500
DyA   0.45030   0.25000   0.03330   0.06500   0.01500
ErA   0.45030   0.25000   0.03330   0.03400   0.01500
YbA   0.45030   0.25000   0.03330   0.02500   0.01500
ThA   0.45030   0.25000   0.03330   0.06000   0.01500
UA   0.45030   0.25000   0.03330   0.00400   0.01500
CaA   0.45030   0.25000   0.03330   0.01000   0.01500
TiB   0.35930   0.51370   0.54460   0.97500   0.02040
NbB   0.35930   0.51370   0.54460   0.02500   0.02040
WC   0.17700   0.25000   0.60300   0.03000   0.02300
O1   0.28680   0.43540   0.87780   1.00000   0.02400
O2   0.52620   0.45680   0.73730   1.00000   0.02500
O3   0.61900   0.25000   0.31140   1.00000   0.02400
O4   0.35060   0.25000   0.43610   1.00000   0.02300