Covalent triflates as synthons for silolyl- and germolyl cations
Wohltmann, Wiebke Marie; Schmidtmann, Marc; Müller, Thomas; Dalton Transactions  (2022) –; doi:10.1039/D2DT01446G

data_7710511
_publ_section_title
;
 Covalent triflates as synthons for silolyl- and germolyl cations
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT01446G
_journal_year                    2022
_chemical_formula_structural     GeClC4(CH3)2(Si(CH3)3)2(C6H5)
_chemical_formula_sum            'C18 H29 Cl Ge Si2'
_chemical_formula_weight         409.63
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-05-03 deposited with the CCDC.	2022-06-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.931(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.1665(12)
_cell_length_b                   6.7319(5)
_cell_length_c                   19.8527(14)
_cell_measurement_reflns_used    9339
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.05
_cell_measurement_theta_min      2.56
_cell_volume                     2128.2(3)
_computing_cell_refinement       'Bruker SAINT V8.40A'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT V8.40A'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-2013/1 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Photon III CPAD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0538
_diffrn_reflns_av_unetI/netI     0.0291
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            69223
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.033
_diffrn_reflns_theta_min         1.503
_diffrn_source                   'I\mS microfocus'
_exptl_absorpt_coefficient_mu    1.673
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8561
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2016/2 (Sheldrick)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_description       block
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.050
_refine_diff_density_max         1.069
_refine_diff_density_min         -1.075
_refine_diff_density_rms         0.143
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.236
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     207
_refine_ls_number_reflns         6239
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.236
_refine_ls_R_factor_all          0.0769
_refine_ls_R_factor_gt           0.0678
_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^)+(0.0400P)^2^+14.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1669
_refine_ls_wR_factor_ref         0.1709
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5522
_reflns_number_total             6239
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt01446g3.cif
_cod_data_source_block           ww69
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7710511
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.851
_shelx_estimated_absorpt_t_max   0.921
_shelx_res_checksum              26940