Synthesis and characterization of potassium aryl- and alkyl-substituted silylchalcogenolate ligands.
Brown, Jessie L.; Montgomery, Ashley C.; Samaan, Christopher A.; Janicke, Michael T.; Scott, Brian L.; Gaunt, Andrew J.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 9841–9852; doi:10.1039/c5dt04433b

data_7038530
_publ_section_title
;
 Synthesis and characterization of potassium aryl- and alkyl-substituted
 silylchalcogenolate ligands.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9841
_journal_page_last               9852
_journal_paper_doi               10.1039/c5dt04433b
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C28 H43 K O6 Si'
_chemical_formula_weight         542.81
_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
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-11-09 deposited with the CCDC.
2016-02-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.9686(17)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6776(9)
_cell_length_b                   16.8062(15)
_cell_length_c                   18.2542(17)
_cell_measurement_reflns_used    9958
_cell_measurement_temperature    140(1)
_cell_measurement_theta_max      35.18
_cell_measurement_theta_min      2.33
_cell_volume                     2964.9(5)
_computing_cell_refinement       'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_data_collection       'APEX II, v. 7.0 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_publication_material  'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(1)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Bruker D8 with APEXII CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0241
_diffrn_reflns_av_unetI/netI     0.0188
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.950
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            69399
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.950
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         35.326
_diffrn_reflns_theta_min         2.721
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.257
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.96
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v. 2.03 (Sheldrick, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.216
_exptl_crystal_description       block
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.542
_refine_diff_density_min         -0.367
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.604
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         12708
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.604
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0310
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0464P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0991
_refine_ls_wR_factor_ref         0.1048
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10908
_reflns_number_total             12708
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5dt04433b2.cif
_cod_data_source_block           dq0217_2
_cod_depositor_comments
'Adding full bibliography for 7038530--7038536.cif.'
_cod_database_code               7038530
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.922
_shelx_estimated_absorpt_t_max   0.970
_shelx_res_checksum              2713