data_2101578
_publ_section_title
;
 New ferroelectric inorganic materials predicted in point group
 4mm
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              790
_journal_page_last               805
_journal_paper_doi               10.1107/S0108768196004594
_journal_volume                  52
_journal_year                    1996
_chemical_formula_sum            'N2 S4'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4n -2n'
_symmetry_space_group_name_H-M   'P 42 n m'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                90.0
_cell_length_a                   11.146(4)
_cell_length_b                   11.146(4)
_cell_length_c                   3.7730(10)
_cell_volume                     468.7(3)
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_[local]_cod_data_source_file    an0527.cif
_[local]_cod_data_source_block   AN0527d
_cod_database_code               2101578
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
S1 .38869(9) .38869 .61889
S2 .17863(9) .17863 .5641(7)
S3 .14505(9) .34959(9) .3811(6)
N1 .2569(3) .4308(3) .5558(13)
