(<i>Z</i>)-5-(2-Thienylmethylene)-2,4-imidazolidinedione
Gallucci, J. C.; Mathur, N.; Shechter, H.; Acta Crystallographica Section C 51 (1995) 1221–1223; doi:10.1107/S0108270194014137

data_2003527
_publ_section_title
;
 (<i>Z</i>)-5-(2-Thienylmethylene)-2,4-imidazolidinedione
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1221
_journal_page_last               1223
_journal_paper_doi               10.1107/S0108270194014137
_journal_volume                  51
_journal_year                    1995
_chemical_formula_sum            'C8 H6 N2 O2 S'
_chemical_formula_weight         194.21
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_type_scat_source
;
Cromer & Waber (1974) for S, O, N and C atoms, and from Stewart, Davidson &
Simpson (1965) for H atoms
;
_cell_angle_alpha                90.0
_cell_angle_beta                 104.72(1)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   6.137(1)
_cell_length_b                   19.405(2)
_cell_length_c                   7.187(1)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    296
_cell_measurement_theta_max      15
_cell_measurement_theta_min      14
_cell_volume                     827.8(2)
_diffrn_measurement_device       'Rigaku AFC-5S'
_diffrn_measurement_method       \q-2\q
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.017
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2136
_diffrn_reflns_theta_max         27.5
_diffrn_standards_decay_%        '-0.3 to 0.9'
_diffrn_standards_interval_count 150
_diffrn_standards_number         6
_exptl_absorpt_coefficient_mu    0.338
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.90
_exptl_absorpt_correction_type
;
analytical (Meulenaer & Tompa, 1965)
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.56
_exptl_crystal_description       'rectangular plate'
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.31
_refine_diff_density_min         -0.26
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   1.65
_refine_ls_number_parameters     143
_refine_ls_number_reflns         1477
_refine_ls_R_factor_obs          0.041
_refine_ls_shift/esd_max         0.001
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/\s(F)^2^'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.046
_reflns_number_observed          1477
_reflns_number_total             1967
_reflns_observed_criterion       I>\sI
_cod_data_source_file            bk1050.cif
_cod_data_source_block           bk1050a
_cod_depositor_comments
;
 Marking atoms 'S', 'C(8)', 'C(9)', 'C(10)', 'H(8)', 'H(9)', 'H(10)' and
  'S'', 'C(8')', 'C(9')', 'C(10')', 'H(8')', 'H(9')', 'H(10')' as belonging
 to disorder groups '1' and '2' respectively after consulting the original
 publication.

 Antanas Vaitkus,
 2017-09-06

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value '1/\s(F)^2^' was changed to
'calc'. New tag '_refine_ls_weighting_details' was created. The value
of the new tag was set to 'w = 1/\s(F)^2^'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        827.7(2)
_cod_original_sg_symbol_H-M      'P 21/a'
_cod_original_formula_sum        'C8 H6 N2 O2 S1'
_cod_database_code               2003527