Molecular Structures of the Silicon Pyridine-2-(thi)olates Me3Si(pyX), Me2Si(pyX)2 and Ph2Si(pyX)2 (py = 2-Pyridyl, X = O, S), and Their Intra- and Intermolecular Ligand Exchange in Solution
Seidel, Anne; Weigel, Mareike; Ehrlich, Lisa; Gericke, Robert; Brendler, Erica; Wagler, Jörg; Crystals 12 (2022) 1054–; doi:10.3390/cryst12081054

data_1567437
_publ_section_title
;
 Molecular Structures of the Silicon Pyridine-2-(thi)olates Me3Si(pyX),
 Me2Si(pyX)2 and Ph2Si(pyX)2 (py = 2-Pyridyl, X = O, S), and Their Intra-
 and Intermolecular Ligand Exchange in Solution
;
_journal_issue                   8
_journal_name_full               Crystals
_journal_page_first              1054
_journal_paper_doi               10.3390/cryst12081054
_journal_volume                  12
_journal_year                    2022
_chemical_formula_moiety         'C22 H18 N2 S2 Si'
_chemical_formula_sum            'C22 H18 N2 S2 Si'
_chemical_formula_weight         402.59
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     ShelXT
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 97.501(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.9877(5)
_cell_length_b                   19.5766(9)
_cell_length_c                   9.7361(5)
_cell_measurement_reflns_used    8731
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.12
_cell_measurement_theta_min      2.08
_cell_volume                     2076.33(17)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Stoe IPDS 2'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0755
_diffrn_reflns_av_unetI/netI     0.0371
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            12049
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        24.996
_diffrn_reflns_theta_max         24.996
_diffrn_reflns_theta_min         2.081
_exptl_absorpt_coefficient_mu    0.323
_exptl_absorpt_correction_T_max  0.9909
_exptl_absorpt_correction_T_min  0.9433
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   XShape
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_description       piece
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.218
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.055
_refine_ls_extinction_coef       0.0042(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     124
_refine_ls_number_reflns         1829
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0690
_refine_ls_R_factor_gt           0.0429
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0419P)^2^+2.1465P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.1001
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1375
_reflns_number_total             1829
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file
CIFs_all-in-one_SeidelWeigelEhrlichGerickeBrendlerWagler_pyOpyS-silanes.cif
_cod_data_source_block           as054_thfpentan_01
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1567437
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.938
_shelx_estimated_absorpt_t_max   0.994
_shelx_res_checksum              92160
_shelx_hkl_checksum              85198