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_1567432
_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         'C12 H14 N2 O2 Si'
_chemical_formula_sum            'C12 H14 N2 O2 Si'
_chemical_formula_weight         246.34
_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'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90.247(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.7881(6)
_cell_length_b                   10.7211(6)
_cell_length_c                   18.6634(8)
_cell_measurement_reflns_used    12550
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.04
_cell_measurement_theta_min      1.59
_cell_volume                     2558.8(2)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0761
_diffrn_reflns_av_unetI/netI     0.0525
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            19701
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.046
_diffrn_reflns_theta_max         25.046
_diffrn_reflns_theta_min         1.091
_exptl_absorpt_coefficient_mu    0.175
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_description       piece
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.193
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.050
_refine_ls_extinction_coef       0.0081(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         4515
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0849
_refine_ls_R_factor_gt           0.0460
_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^)+(0.0511P)^2^+0.4817P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0965
_refine_ls_wR_factor_ref         0.1112
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3174
_reflns_number_total             4515
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file
CIFs_all-in-one_SeidelWeigelEhrlichGerickeBrendlerWagler_pyOpyS-silanes.cif
_cod_data_source_block           le008b_01
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1567432
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.933
_shelx_estimated_absorpt_t_max   0.986
_shelx_res_checksum              31371
_shelx_hkl_checksum              60006