Bis(perchlorocatecholato)silane and heteroleptic bidonors: hidden frustrated Lewis pairs resulting from ring strain.
Hartmann, Deborah; Braner, Sven; Greb, Lutz; Chemical communications (Cambridge, England) 57 (2021) 8572–8575; doi:10.1039/d1cc03452a

data_7128769
_publ_section_title
;
 Bis(perchlorocatecholato)silane and heteroleptic bidonors: hidden
 frustrated Lewis pairs resulting from ring strain.
;
_journal_issue                   69
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              8572
_journal_page_last               8575
_journal_paper_doi               10.1039/d1cc03452a
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C29 H14 Cl8 N O4 P Si'
_chemical_formula_sum            'C29 H14 Cl8 N O4 P Si'
_chemical_formula_weight         783.07
_chemical_properties_physical    Moisture-sensitive
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-04-20
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2021-06-20 deposited with the CCDC.	2021-07-27 downloaded from the CCDC.
;
_cell_angle_alpha                63.404(5)
_cell_angle_beta                 83.620(5)
_cell_angle_gamma                86.982(5)
_cell_formula_units_Z            2
_cell_length_a                   12.5198(17)
_cell_length_b                   12.5964(18)
_cell_length_c                   12.8616(17)
_cell_measurement_reflns_used    7102
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      26.227
_cell_measurement_theta_min      2.296
_cell_volume                     1802.5(4)
_computing_cell_refinement       'SAINT V8.38A (2016)'
_computing_data_reduction        'SAINT V8.38A (2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker PhotonIII C14 detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CPAD detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1062
_diffrn_reflns_av_unetI/netI     0.0959
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            25130
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         2.297
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_type              'Incoatec I\ms 3.0'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.736
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6276
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1468 before and 0.0909 after correction. The Ratio of minimum to maximum transmission is 0.7872. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.443
_exptl_crystal_description       stab
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.168
_exptl_crystal_size_mid          0.049
_exptl_crystal_size_min          0.029
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.557
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         6339
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0976
_refine_ls_R_factor_gt           0.0535
_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^)+(0.0594P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1175
_refine_ls_wR_factor_ref         0.1364
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3878
_reflns_number_total             6339
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc03452a2.cif
_cod_data_source_block           mo_dhsb11_0m
_cod_depositor_comments
'Adding full bibliography for 7128765--7128778.cif.'
_cod_database_code               7128769
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.979
_shelx_estimated_absorpt_t_min   0.886
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C14(H14), C17(H17), C19(H19), C26(H26), C29(H29), C25(H25), C15(H15),
 C28(H28), C16(H16), C27(H27), C23(H23), C20(H20), C22(H22), C21(H21)
;
_smtbx_masks_special_details
;
A solvent mask was calculated and 120 electrons were 
found in a volume of 374\%A^3^ in 1 void per unit cell. 
This is consistent with the presence of 1.5[CH2Cl2] per 
Formula Unit which account for 126 electrons per unit cell.
;
_smtbx_masks_void_probe_radius   1.3
_smtbx_masks_void_truncation_radius 1.2
_shelx_res_checksum              76157
_shelx_fab_checksum              59484
_olex2_submission_special_instructions 'No special instructions were received'