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_7208371
_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         'C12 H8 F4 N2 O2 S'
_chemical_formula_sum            'C12 H8 F4 N2 O2 S'
_chemical_formula_weight         320.26
_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
_cell_angle_alpha                90
_cell_angle_beta                 97.357(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.1914(9)
_cell_length_b                   19.0870(15)
_cell_length_c                   5.9552(3)
_cell_measurement_reflns_used    22476
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      26.02
_cell_measurement_theta_min      2.91
_cell_volume                     1261.62(16)
_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      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.972
_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  0.1031
_diffrn_reflns_av_unetI/netI     0.0655
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            9500
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         3.61
_exptl_absorpt_coefficient_mu    0.312
_exptl_absorpt_correction_T_max  0.9846
_exptl_absorpt_correction_T_min  0.9200
_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    1.686
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.379
_refine_diff_density_min         -0.552
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         2211
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0675
_refine_ls_R_factor_gt           0.0506
_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^)+(0.0881P)^2^+0.2678P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1296
_refine_ls_wR_factor_ref         0.1381
_reflns_number_gt                1787
_reflns_number_total             2211
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25508a.txt
_cod_data_source_block           A1_F~CF3_alpha
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7208371