Yb/Si frustrated Lewis pairs with a labile naphthalenyl bridge.
Xu, Cheng; Zhao, Sixuan; Zhang, Heng; Peng, Qian; Chen, Yaofeng; Chemical communications (Cambridge, England) 60 (2024) 8411–8414; doi:10.1039/d4cc03009e

data_7133341
_publ_section_title
;
 Yb/Si frustrated Lewis pairs with a labile naphthalenyl bridge.
;
_journal_issue                   64
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              8411
_journal_page_last               8414
_journal_paper_doi               10.1039/d4cc03009e
_journal_volume                  60
_journal_year                    2024
_chemical_formula_moiety         'C50 H88 N4 Si4 Yb'
_chemical_formula_sum            'C50 H88 N4 Si4 Yb'
_chemical_formula_weight         1030.64
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2023-12-12
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2023-12-26 deposited with the CCDC.	2024-07-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.898(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.1534(9)
_cell_length_b                   17.7808(11)
_cell_length_c                   22.4677(14)
_cell_measurement_reflns_used    9946
_cell_measurement_temperature    192.99
_cell_measurement_theta_max      54.91
_cell_measurement_theta_min      2.78
_cell_volume                     5552.2(6)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_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    'olex2.solve 1.5 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      192.99
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0669
_diffrn_reflns_av_unetI/netI     0.0506
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            57766
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         55.020
_diffrn_reflns_theta_min         2.777
_diffrn_source_current           2.86
_diffrn_source_power             0.1995708
_diffrn_source_voltage           69.78
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.237
_exptl_absorpt_correction_T_max  0.7508
_exptl_absorpt_correction_T_min  0.4292
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1617 before and 0.0761 after correction.
The Ratio of minimum to maximum transmission is 0.5717.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.233
_exptl_crystal_description       block
_exptl_crystal_F_000             2168
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.458
_refine_diff_density_min         -1.202
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     554
_refine_ls_number_reflns         10555
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0572
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0281P)^2^+13.4734P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.0983
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8320
_reflns_number_total             10555
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc03009e2.cif
_cod_data_source_block           mj20508_0m
_cod_depositor_comments
'Adding full bibliography for 7133340--7133344.cif.'
_cod_database_code               7133341
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.706
_shelx_estimated_absorpt_t_min   0.574
_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. Restrained distances
 H6A-H13C
 2 with sigma of 0.02
3.a Ternary CH refined with riding coordinates:
 C25(H25), C28(H28), C31(H31), C33(H33), C34(H34)
3.b Secondary CH2 refined with riding coordinates:
 C6(H6A,H6B), C7(H7A,H7B), C8(H8A,H8B), C9(H9A,H9B)
3.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C21(H21), C22(H22), C23(H23), C32(H32), C36(H36), C37(H37), C38(H38),
 C39(H39)
3.d Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C13(H13A,H13B,
 H13C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C17(H17A,
 H17B,H17C), C18(H18A,H18B,H18C), C26(H26A,H26B,H26C), C27(H27A,H27B,H27C),
 C29(H29A,H29B,H29C), C30(H30A,H30B,H30C), C42(H42A,H42B,H42C), C43(H43A,H43B,
 H43C), C44(H44A,H44B,H44C), C45(H45A,H45B,H45C), C46(H46A,H46B,H46C), C47(H47A,
 H47B,H47C), C48(H48A,H48B,H48C), C49(H49A,H49B,H49C), C50(H50A,H50B,H50C)
;
_shelx_res_checksum              32818
_shelx_hkl_checksum              76042
_olex2_submission_special_instructions 'No special instructions were received'