Novel 1,2,4-thiadiazole derivatives: crystal structure, conformational analysis, hydrogen bond networks, calculations, and thermodynamic characteristics of crystal lattices.
Surov, Artem O.; Bui, Cong Trinh; Proshin, Alexey N.; Roussel, Pascal; Idrissi, Abdenacer; Perlovich, German L.; The journal of physical chemistry. B 117 (2013) 10414–10429; doi:10.1021/jp405624e

data_1512253
_publ_section_title
;
 Novel 1,2,4-thiadiazole derivatives: crystal structure, conformational
 analysis, hydrogen bond networks, calculations, and thermodynamic
 characteristics of crystal lattices.
;
_journal_issue                   36
_journal_name_full               'The journal of physical chemistry. B'
_journal_page_first              10414
_journal_page_last               10429
_journal_paper_doi               10.1021/jp405624e
_journal_volume                  117
_journal_year                    2013
_chemical_formula_sum            'C11 H12 Cl N3 O S'
_chemical_formula_weight         269.75
_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                 99.503(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7382(14)
_cell_length_b                   11.7601(18)
_cell_length_c                   11.8741(19)
_cell_measurement_reflns_used    4403
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      31.11
_cell_measurement_theta_min      2.36
_cell_volume                     1203.5(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX II'
_diffrn_measurement_method       \w
_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  0.0257
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
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_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11255
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.36
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.477
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.6764
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.489
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
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_exptl_crystal_size_max          0.05
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_refine_ls_extinction_method     none
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_refine_ls_number_parameters     202
_refine_ls_number_reflns         2623
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_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0393
_refine_ls_R_factor_gt           0.0316
_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^)+(0.0407P)^2^+0.4544P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0785
_refine_ls_wR_factor_ref         0.0820
_reflns_number_gt                2256
_reflns_number_total             2623
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jp405624e_si_002.cif
_cod_data_source_block           q
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1512253