Structural characterization of selenium and selenium-diiodine analogues of the antithyroid drug 6-<i>n</i>-propyl-2-thiouracil and its alkyl derivatives
C. D. Antoniadis; A. J. Blake; S. K. Hadjikakou; N. Hadjiliadis; P. Hubberstey; M. Schröder; C. Wilson; Acta Crystallographica Section B 62 (2006) 580–591; doi:10.1107/S0108768106011426

data_2100553
_publ_section_title
;
 Structural characterization of selenium and selenium-diiodine
 analogues of the antithyroid drug 6-<i>n</i>-propyl-2-thiouracil and
 its alkyl derivatives
;
_journal_coeditor_code           SO5003
_journal_date_accepted           2006-03-29
_journal_date_recd_electronic    2006-03-08
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              580
_journal_page_last               591
_journal_paper_category          FA
_journal_paper_doi               10.1107/S0108768106011426
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C6 H8 N2 O Se'
_chemical_formula_sum            'C6 H8 N2 O Se'
_chemical_formula_weight         203.10
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'enCIFer editing of SHELXL97 CIF output'
_cell_angle_alpha                101.023(4)
_cell_angle_beta                 100.893(4)
_cell_angle_gamma                105.705(4)
_cell_formula_units_Z            6
_cell_length_a                   8.394(2)
_cell_length_b                   10.029(2)
_cell_length_c                   14.931(4)
_cell_measurement_reflns_used    2232
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      24.8
_cell_measurement_theta_min      2.65
_cell_volume                     1148.5(5)
_computing_cell_refinement       'Bruker SAINT version 6.36a (Bruker, 2000)'
_computing_data_collection       'Bruker SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; Bruker SHELXTL (Bruker, 2001)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'enCIFer (Allen et al., 2004); PLATON'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.038
_diffrn_reflns_av_sigmaI/netI    0.057
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8174
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         2.28
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.835
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.687
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS version 2.03; Bruker, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.762
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'triangular prism'
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.48
_refine_diff_density_min         -1.02
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4025
_refine_ls_number_restraints     69
_refine_ls_restrained_S_all      1.02
_refine_ls_R_factor_all          0.0724
_refine_ls_R_factor_gt           0.0560
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.094P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.136
_refine_ls_wR_factor_ref         0.146
_reflns_number_gt                3189
_reflns_number_total             4025
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            so5003.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2100553