The diverse reactivity of NOBF<sub>4</sub> towards silylene, disilene, germylene and stannylene.
Parvin, Nasrina; Sen, Nilanjana; Muhasina, Puthan Veetil; Tothadi, Srinu; Parameswaran, Pattiyil; Khan, Shabana; Chemical communications (Cambridge, England) 57 (2021) 5008–5011; doi:10.1039/d1cc01034d

data_7128243
_publ_section_title
;
 The diverse reactivity of NOBF<sub>4</sub> towards silylene, disilene,
 germylene and stannylene.
;
_journal_issue                   41
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5008
_journal_page_last               5011
_journal_paper_doi               10.1039/d1cc01034d
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C21 H41 F2 Ge N3 Si2'
_chemical_formula_sum            'C21 H41 F2 Ge N3 Si2'
_chemical_formula_weight         502.34
_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
_audit_creation_date             2021-04-07
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-04-16 deposited with the CCDC.	2021-04-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 117.495(11)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.850(11)
_cell_length_b                   8.419(5)
_cell_length_c                   18.595(11)
_cell_measurement_reflns_used    4509
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      18.85
_cell_measurement_theta_min      2.19
_cell_volume                     2618(3)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.3903
_diffrn_reflns_av_unetI/netI     0.1404
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            75551
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         2.192
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.288
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.4136
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1404 before and 0.0541 after correction. The Ratio of minimum to maximum transmission is 0.5546. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_description       block
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.497
_refine_diff_density_min         -0.709
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         4594
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.1465
_refine_ls_R_factor_gt           0.0662
_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^)+(0.0255P)^2^+8.0553P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1073
_refine_ls_wR_factor_ref         0.1339
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2639
_reflns_number_total             4594
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc01034d2.cif
_cod_data_source_block           6
_cod_depositor_comments
'Adding full bibliography for 7128241--7128247.cif.'
_cod_database_code               7128243
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.904
_shelx_estimated_absorpt_t_min   0.830
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C17(H17), C16(H16), C20(H20), C18(H18), C19(H19)
2.b Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C00F(H00A,H00B,H00C), C12(H12A,H12B,H12C), C7(H7A,H7B,
 H7C), C10(H10A,H10B,H10C), C9(H9A,H9B,H9C), C5(H5A,H5B,H5C), C8(H8A,H8B,H8C),
 C6(H6A,H6B,H6C), C3(H3A,H3B,H3C), C4(H4A,H4B,H4C), C2(H2A,H2B,H2C)
;
_shelx_res_checksum              26056
_olex2_submission_special_instructions 'No special instructions were received'