data_2100808
_publ_section_title
;
 Structural study of the low-temperature phase transition in
 Cs₃D(SeO₄)₂
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              633
_journal_page_last               639
_journal_paper_doi               10.1107/S0108768192004154
_journal_volume                  48
_journal_year                    1992
_chemical_formula_sum            'Cs3 H O8 Se2'
_chemical_formula_weight         685.7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 112.422(12)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.8921(15)
_cell_length_b                   6.3864(9)
_cell_length_c                   8.4441(12)
_cell_volume                     542.98(14)
_diffrn_radiation_type           Ag
_diffrn_radiation_wavelength     0.56087
_exptl_crystal_density_diffrn    4.20
_exptl_crystal_F_000             596
_[local]_cod_data_source_file    ab0279.cif
_[local]_cod_data_source_block   ab0279a
_[local]_cod_chemical_formula_sum_orig 'Cs3 H1 O8 Se2'
_cod_original_cell_volume        542.98(12)
_cod_database_code               2100808
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Cs(1) 0 0 0
Cs(2) .19761(3) 0 .60724(5)
Se .42702(5) 0 .23495(7)
O(1) .4864(3) .2110(4) .6906(3)
O(2) .3906(4) 0 .0207(5)
O(3) .2881(4) 0 .2620(6)
H .50000 0 0
