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_7038536
_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            'C30 H47 K O6.5 Si Te'
_chemical_formula_weight         706.47
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-11-09 deposited with the CCDC.
2016-02-15 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.0831(11)
_cell_length_b                   19.0939(14)
_cell_length_c                   21.8387(15)
_cell_measurement_temperature    100(1)
_cell_volume                     6706.4(8)
_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      100(1)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker D8 Quest with CMOS detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0414
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            124291
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.97
_diffrn_reflns_theta_min         2.25
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.086
_exptl_absorpt_correction_T_max  0.8628
_exptl_absorpt_correction_T_min  0.6237
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v. 2.03 (Sheldrick, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.399
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2912
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.706
_refine_diff_density_min         -0.782
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.014(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     718
_refine_ls_number_reflns         19420
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0337
_refine_ls_R_factor_gt           0.0252
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0327P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0580
_refine_ls_wR_factor_ref         0.0614
_reflns_number_gt                17298
_reflns_number_total             19420
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt04433b2.cif
_cod_data_source_block           dq0244
_cod_depositor_comments
'Adding full bibliography for 7038530--7038536.cif.'
_cod_original_formula_sum        'C30 H47 K O6.50 Si Te'
_cod_database_code               7038536