data_global
_chemical_name_mineral 'Ancylite-(Ce)'
loop_
_publ_author_name
'dal Negro A'
'Rossi G'
'Tazzoli V'
_journal_name_full 'American Mineralogist'
_journal_volume 60 
_journal_year 1975
_journal_page_first 280
_journal_page_last 284
_publ_section_title
;
 The crystal structure of ancylite, (RE)x(Ca,Sr)2-x(CO3)2(OH)x(2-x)H2O
;
_database_code_amcsd 0000454
_chemical_compound_source 'Mont St. Hilaire, Quebec, Canada'
_chemical_formula_sum '(Ce.41 La.28 Sr.2 Ca.11) C O4 H1.31'
_cell_length_a 5.03
_cell_length_b 8.52
_cell_length_c 7.29
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 312.417
_exptl_crystal_density_diffrn      4.159
_symmetry_space_group_name_H-M 'P m c n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-x,y,z'
  '1/2+x,-y,-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,1/2-y,1/2+z'
  'x,1/2-y,1/2+z'
  '-x,1/2+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
Ce   0.25000   0.33990   0.64760   0.41000   0.01013
La   0.25000   0.33990   0.64760   0.28000   0.01013
Sr   0.25000   0.33990   0.64760   0.20000   0.01013
Ca   0.25000   0.33990   0.64760   0.11000   0.01013
C   0.75000   0.19050   0.80990   1.00000   0.01001
O1   0.75000   0.31810   0.72100   1.00000   0.02292
O2   0.52970   0.12180   0.85200   1.00000   0.01963
O-H3   0.25000   0.41350   0.97490   0.69000   0.03078
Wat3   0.25000   0.41350   0.97490   0.31000   0.03078
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 0.01064 0.00919 0.01050 0.00000 0.00000 -0.00063
La 0.01064 0.00919 0.01050 0.00000 0.00000 -0.00063
Sr 0.01064 0.00919 0.01050 0.00000 0.00000 -0.00063
Ca 0.01064 0.00919 0.01050 0.00000 0.00000 -0.00063
C 0.01064 0.00405 0.01508 0.00000 0.00000 0.00346
O1 0.02051 0.01912 0.02908 0.00000 0.00000 0.01164
O2 0.01577 0.02023 0.02288 -0.00369 0.00149 0.00189
O-H3 0.04076 0.03420 0.01696 0.00000 0.00000 0.01196
Wat3 0.04076 0.03420 0.01696 0.00000 0.00000 0.01196