Diverse reactivity of carbenes and silylenes towards fluoropyridines.
Kundu, Gargi; Ajithkumar, V. S.; Bisai, Milan Kumar; Tothadi, Srinu; Das, Tamal; Vanka, Kumar; Sen, Sakya S.; Chemical communications (Cambridge, England) 57 (2021) 4428–4431; doi:10.1039/d1cc01401c

data_7128074
_publ_section_title
;
 Diverse reactivity of carbenes and silylenes towards fluoropyridines.
;
_journal_issue                   36
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              4428
_journal_page_last               4431
_journal_paper_doi               10.1039/d1cc01401c
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C29 H50 F5 N3 Si5'
_chemical_formula_sum            'C29 H50 F5 N3 Si5'
_chemical_formula_weight         676.17
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2021-02-11
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-03-12 deposited with the CCDC.	2021-03-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   24.4829(10)
_cell_length_b                   13.9216(7)
_cell_length_c                   42.4462(19)
_cell_measurement_reflns_used    9733
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.23
_cell_measurement_theta_min      2.54
_cell_volume                     14467.4(11)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_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    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 VENTURE Kappa Duo PHOTON II CPAD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1309
_diffrn_reflns_av_unetI/netI     0.0343
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       56
_diffrn_reflns_limit_l_min       -56
_diffrn_reflns_number            756293
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.358
_diffrn_reflns_theta_min         1.920
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.247
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.5322
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.1471 before and 0.0843 after correction. The Ratio of minimum to maximum transmission is 0.7137. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.242
_exptl_crystal_description       block
_exptl_crystal_F_000             5760
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.518
_refine_diff_density_min         -0.324
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.145
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     787
_refine_ls_number_reflns         18052
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.145
_refine_ls_R_factor_all          0.0512
_refine_ls_R_factor_gt           0.0425
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0256P)^2^+13.6014P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0972
_refine_ls_wR_factor_ref         0.1014
_reflns_Friedel_coverage         0.000
_reflns_number_gt                15702
_reflns_number_total             18052
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc01401c2.cif
_cod_data_source_block           platon_pl
_cod_depositor_comments
'Adding full bibliography for 7128070--7128074.cif.'
_cod_database_code               7128074
_shelx_shelxl_version_number     2016/6
_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:
 C3(H3), C4(H4), C5(H5), C6(H6), C7(H7), C32(H32), C33(H33), C34(H34),
 C35(H35), C36(H36)
2.b Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C13(H13A,H13B,
 H13C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C21(H21A,H21B,H21C), C22(H22A,
 H22B,H22C), C23(H23A,H23B,H23C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C),
 C26(H26A,H26B,H26C), C27(H27A,H27B,H27C), C28(H28A,H28B,H28C), C29(H29A,H29B,
 H29C), C38(H38A,H38B,H38C), C39(H39A,H39B,H39C), C40(H40A,H40B,H40C), C42(H42A,
 H42B,H42C), C43(H43A,H43B,H43C), C44(H44A,H44B,H44C), C50(H50A,H50B,H50C),
 C51(H51A,H51B,H51C), C52(H52A,H52B,H52C), C53(H53A,H53B,H53C), C54(H54A,H54B,
 H54C), C55(H55A,H55B,H55C), C56(H56A,H56B,H56C), C57(H57A,H57B,H57C), C58(H58A,
 H58B,H58C)
;
_shelx_res_checksum              40484
_shelx_hkl_checksum              67241
_olex2_submission_special_instructions 'No special instructions were received'