data_1509283
_publ_section_title
;
 Synthesis and characterisation of M Ag Se4 (M = Rb, Cs)
;
_journal_name_full               'Journal of Chemical Crystallography'
_journal_page_first              705
_journal_page_last               711
_journal_paper_doi               10.1023/A:1021704302492
_journal_volume                  28
_journal_year                    1998
_chemical_formula_sum            'Ag Cs Se4'
_chemical_name_systematic        'Cs (Ag Se4)'
_space_group_IT_number           19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.855
_cell_length_b                   9.09
_cell_length_c                   13.885
_cell_volume                     738.987
_citation_journal_id_ASTM        JCCYEV
_[local]_cod_data_source_file    silver1-2_188.cif
_[local]_cod_data_source_block   Ag1Cs1Se4
_[local]_cod_chemical_formula_sum_orig 'Ag1 Cs1 Se4'
_cod_original_cell_volume        738.9868
_cod_database_code               1509283
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y,z+1/2
x+1/2,-y+1/2,-z
-x,y+1/2,-z+1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ag1 Ag+1 0.9497 0.8685 0.0559 1 0.0
Se2 Se 0.4078 0.0746 0.077 1 0.0
Se4 Se 0.6257 0.6899 0.1129 1 0.0
Se3 Se 0.3631 0.8633 0.176 1 0.0
Cs1 Cs+1 0.1534 0.4212 0.1664 1 0.0
Se1 Se 0.7964 0.1335 0.0967 1 0.0
