Frustrated Lewis pair-ligated tetrelenes.
Omaña, Alvaro A; Frenette, Brandon L.; Dornsiepen, Eike; Kobayashi, Ryo; Ferguson, Michael J.; Iwamoto, Takeaki; Rivard, Eric; Dalton transactions (Cambridge, England : 2003) 52 (2023) 774–786; doi:10.1039/d2dt03807b

data_7711984
_publ_section_title
;
 Frustrated Lewis pair-ligated tetrelenes.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              774
_journal_page_last               786
_journal_paper_doi               10.1039/d2dt03807b
_journal_volume                  52
_journal_year                    2023
_chemical_formula_moiety         'C25 H42 B P'
_chemical_formula_sum            'C25 H42 B P'
_chemical_formula_weight         384.36
_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   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-02-09
_audit_creation_method
;
Olex2 1.5
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2022-11-18 deposited with the CCDC.	2022-12-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.8380(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.7112(4)
_cell_length_b                   11.6101(4)
_cell_length_c                   18.4751(6)
_cell_measurement_reflns_used    5774
_cell_measurement_temperature    173.15
_cell_measurement_theta_max      26.510
_cell_measurement_theta_min      2.184
_cell_volume                     2297.28(14)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      173.15
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0397
_diffrn_reflns_av_unetI/netI     0.0286
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            26118
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.666
_diffrn_reflns_theta_min         2.072
_diffrn_source_current           30.0
_diffrn_source_power             1.35
_diffrn_source_voltage           45.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.127
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.111
_exptl_crystal_description       fragment
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.253
_exptl_crystal_size_mid          0.164
_exptl_crystal_size_min          0.065
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         4835
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0500
_refine_ls_R_factor_gt           0.0377
_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^)+(0.0473P)^2^+0.7652P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0927
_refine_ls_wR_factor_ref         0.0997
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3947
_reflns_number_total             4835
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt03807b3.cif
_cod_data_source_block           riv2214m2
_cod_depositor_comments
'Adding full bibliography for 7711983--7711989.cif.'
_cod_database_code               7711984
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.969
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C20(H20), C14(H14), C9(H9), C8(H8)
2.b Secondary CH2 refined with riding coordinates:
 C21(H21A,H21B), C25(H25A,H25B), C1(H1A,H1B), C19(H19A,H19B), C15(H15A,H15B),
 C18(H18A,H18B), C22(H22A,H22B), C17(H17A,H17B), C23(H23A,H23B), C16(H16A,H16B),
  C24(H24A,H24B)
2.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C4(H4), C5(H5), C3(H3)
2.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C12(H12A,H12B,H12C), C11(H11A,H11B,H11C), C10(H10A,H10B,
 H10C)
;
_shelx_res_checksum              70015
_shelx_hkl_checksum              58308
_olex2_submission_special_instructions 'No special instructions were received'