1-(2,4-Difluorophenyl)thiourea
Fun, Hoong-Kun; Quah, Ching Kheng; Nayak, Prakash S.; Narayana, B.; Sarojini, B. K.; Acta Crystallographica Section E 68 (2012) o2460–; doi:10.1107/S1600536812031625

data_2235894
_publ_section_title
;
 1-(2,4-Difluorophenyl)thiourea
;
_journal_coeditor_code           KJ2208
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2460
_journal_paper_doi               10.1107/S1600536812031625
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C7 H6 F2 N2 S'
_chemical_formula_moiety         'C7 H6 F2 N2 S'
_chemical_formula_sum            'C7 H6 F2 N2 S'
_chemical_formula_weight         188.20
_chemical_name_systematic
;
1-(2,4-Difluorophenyl)thiourea
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.464(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   6.4260(7)
_cell_length_b                   36.908(4)
_cell_length_c                   6.6821(7)
_cell_measurement_reflns_used    5197
_cell_measurement_temperature    100
_cell_measurement_theta_max      31.97
_cell_measurement_theta_min      3.15
_cell_volume                     1558.4(3)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type
;
Bruker SMART APEXII DUO CCD area-detector
;
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0314
_diffrn_reflns_av_sigmaI/netI    0.0295
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       47
_diffrn_reflns_limit_k_min       -47
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            13654
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.10
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.389
_exptl_absorpt_correction_T_max  0.9673
_exptl_absorpt_correction_T_min  0.8735
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.604
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.357
_exptl_crystal_size_mid          0.136
_exptl_crystal_size_min          0.086
_refine_diff_density_max         0.546
_refine_diff_density_min         -0.358
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3553
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0407
_refine_ls_R_factor_gt           0.0325
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0271P)^2^+1.0603P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0721
_refine_ls_wR_factor_ref         0.0774
_reflns_number_gt                3082
_reflns_number_total             3553
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            kj2208.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2235894
_cod_database_fobs_code          2235894