XPac dissimilarity parameters as quantitative descriptors of isostructurality: the case of fourteen 4,5′-substituted benzenesulfonamido-2-pyridines obtained by substituent interchange involving CF3/I/Br/Cl/F/Me/H
Gelbrich, Thomas; Threlfall, Terence L.; Hursthouse, Michael B.; CrystEngComm 14 (2012) 5454–; doi:10.1039/c2ce25508a

data_7208366
_publ_section_title
;
 XPac dissimilarity parameters as quantitative descriptors of
 isostructurality: the case of fourteen 4,5&#x2032;-substituted
 benzenesulfonamido-2-pyridines obtained by substituent interchange
 involving CF3/I/Br/Cl/F/Me/H
;
_journal_issue                   17
_journal_name_full               CrystEngComm
_journal_page_first              5454
_journal_paper_doi               10.1039/c2ce25508a
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C11 H9 I N2 O2 S'
_chemical_formula_sum            'C11 H9 I N2 O2 S'
_chemical_formula_weight         360.16
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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
_cell_angle_alpha                90
_cell_angle_beta                 94.3530(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.5231(5)
_cell_length_b                   19.2374(7)
_cell_length_c                   6.2008(2)
_cell_measurement_reflns_used    6398
_cell_measurement_temperature    248(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2.9
_cell_volume                     1251.65(9)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, 1998)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      248(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1274
_diffrn_reflns_av_unetI/netI     0.1908
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            6841
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         3.46
_exptl_absorpt_coefficient_mu    2.716
_exptl_absorpt_correction_T_max  0.923
_exptl_absorpt_correction_T_min  0.4963
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.911
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.736
_refine_diff_density_min         -1.186
_refine_diff_density_rms         0.184
_refine_ls_extinction_coef       0.019(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.992
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     159
_refine_ls_number_reflns         2161
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.991
_refine_ls_R_factor_all          0.0934
_refine_ls_R_factor_gt           0.0791
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+5.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1831
_refine_ls_wR_factor_ref         0.1930
_reflns_number_gt                1696
_reflns_number_total             2163
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25508a.txt
_cod_data_source_block           A1_H~I_alpha
_cod_database_code               7208366