Unsymmetrically Substituted Thioureas. 1,1-Dimethyl-3-<i>o</i>-tolylthiourea and 1,1-Diethyl-3-<i>o</i>-tolylthiourea
Ramnathan, A.; Sivakumar, K.; Janarthanan, N.; Meerarani, D.; Ramadas, K.; Fun, H.-K.; Acta Crystallographica Section C 52 (1996) 411–414; doi:10.1107/S0108270195010778

data_2004523
_publ_section_title
;
 Unsymmetrically Substituted Thioureas.
 1,1-Dimethyl-3-<i>o</i>-tolylthiourea and
 1,1-Diethyl-3-<i>o</i>-tolylthiourea
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              411
_journal_page_last               414
_journal_paper_doi               10.1107/S0108270195010778
_journal_volume                  52
_journal_year                    1996
_chemical_formula_moiety         'C10 H14 N2 S1'
_chemical_formula_sum            'C10 H14 N2 S'
_chemical_formula_weight         194.29
_chemical_name_systematic
;
1-Dimethyl-3-tolyl thiourea.
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_audit_creation_method           SHELXL
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5800(10)
_cell_length_b                   7.9120(10)
_cell_length_c                   17.423(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      8
_cell_volume                     1044.9(3)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Siemens, 1994)'
_computing_data_reduction        XSCANS
_computing_molecular_graphics    'SHELXTL/PC (Sheldrick, 1990b)'
_computing_publication_material
'SHELXL93. Geometric calculations: PARST (Nardelli, 1983)'
_computing_structure_refinement  'SHELXL93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1990a)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'Siemens P4'
_diffrn_measurement_method       \q/2\q
_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  0.0249
_diffrn_reflns_av_sigmaI/netI    0.0655
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -1
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -1
_diffrn_reflns_number            1923
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.34
_diffrn_standards_decay_%        <2
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.266
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_description       needles
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.18
_refine_diff_density_min         -0.22
_refine_ls_abs_structure_details 'Flack (1983) parameter = -0.06(14)'
_refine_ls_abs_structure_Flack   -0.06(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   0.887
_refine_ls_goodness_of_fit_obs   1.016
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         1758
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.887
_refine_ls_restrained_S_obs      1.016
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_obs          0.0402
_refine_ls_shift/esd_max         0.001
_refine_ls_shift/esd_mean        0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_scheme
;
calc w = 1/[\s^2^(F~o~^2^) + (0.0419P)^2^]
where P = (F~o~^2^ + 2F~c~^2^)/3
;
_refine_ls_wR_factor_all         0.0919
_refine_ls_wR_factor_obs         0.0849
_reflns_number_observed          1199
_reflns_number_total             1758
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            mu1206.cif
_cod_data_source_block           DMTTU
_cod_depositor_comments
;
The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'Yes' changed to 'yes' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (13
times).

'_geom_angle_publ_flag' value 'Yes' changed to 'yes'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (17
times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_formula_sum        'C10 H14 N2 S1'
_cod_database_code               2004523