5-(2-Methoxyphenyl)-1,3,4-thiadiazol-2-yl 2-methoxybenzoate hemihydrate
Yao, Jin-hua; Guo, Bing; An, Kang; Guan, Jian-ning; Acta Crystallographica Section E 67 (2011) o1046–; doi:10.1107/S1600536811010373

data_2229909
_publ_section_title
;
 5-(2-Methoxyphenyl)-1,3,4-thiadiazol-2-yl 2-methoxybenzoate
 hemihydrate
;
_journal_coeditor_code           BQ2283
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1046
_journal_paper_doi               10.1107/S1600536811010373
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C17 H14 N2 O4 S, 0.5H2 O'
_chemical_formula_moiety         'C17 H14 N2 O4 S, 0.5(H2 O)'
_chemical_formula_sum            'C17 H15 N2 O4.5 S'
_chemical_formula_weight         356.37
_chemical_melting_point          520
_chemical_name_systematic
;
5-(2-Methoxyphenyl)-1,3,4-thiadiazol-2-yl 2-methoxybenzoate hemihydrate
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.000
_cell_angle_beta                 95.19(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   29.858(6)
_cell_length_b                   14.542(3)
_cell_length_c                   7.6710(15)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      13
_cell_measurement_theta_min      9
_cell_volume                     3317.1(12)
_computing_cell_refinement       'CAD-4 EXPRESS (Enraf--Nonius, 1994)'
_computing_data_collection       'CAD-4 EXPRESS (Enraf--Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXS97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \w/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  0.0251
_diffrn_reflns_av_sigmaI/netI    0.0453
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3108
_diffrn_reflns_theta_full        25.38
_diffrn_reflns_theta_max         25.38
_diffrn_reflns_theta_min         1.37
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  2
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.222
_exptl_absorpt_correction_T_max  0.9781
_exptl_absorpt_correction_T_min  0.9363
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>, 1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.410
_refine_diff_density_min         -0.283
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3050
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.1061
_refine_ls_R_factor_gt           0.0633
_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^)+(0.0980P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1536
_refine_ls_wR_factor_ref         0.1755
_reflns_number_gt                1881
_reflns_number_total             3050
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            bq2283.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C17 H15 N2 O4.5 S1'
_cod_database_code               2229909
_cod_database_fobs_code          2229909