Ambiphilicity of ring-expanded N-heterocyclic carbenes.
Vermersch, François; Wang, Victor T.; Abdellaoui, Mehdi; Jazzar, Rodolphe; Bertrand, Guy; Chemical science 15 (2024) 3707–3710; doi:10.1039/d3sc04543a

data_1570846
_publ_section_title
;
 Ambiphilicity of ring-expanded N-heterocyclic carbenes.
;
_journal_issue                   10
_journal_name_full               'Chemical science'
_journal_page_first              3707
_journal_page_last               3710
_journal_paper_doi               10.1039/d3sc04543a
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C29 H45 N3'
_chemical_formula_sum            'C29 H45 N3'
_chemical_formula_weight         435.68
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2023-08-20
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.17 svn.r577a77a9 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2023-08-29 deposited with the CCDC.	2024-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 116.382(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4427(9)
_cell_length_b                   24.913(2)
_cell_length_c                   11.5295(9)
_cell_measurement_reflns_used    7229
_cell_measurement_temperature    100.15
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      4.63
_cell_volume                     2687.1(4)
_computing_cell_refinement       'SAINT v8.40B (Bruker, 2019)'
_computing_data_collection       'APEX4 v2022.1-1 (Bruker, 2022)'
_computing_data_reduction        'SAINT v8.40B (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.15
_diffrn_detector                 'Bruker Platinum135 CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device       'Fixed Chi Three-Circle Diffractometer'
_diffrn_measurement_device_type  'Rigaku MicroMax-007HF'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0628
_diffrn_reflns_av_unetI/netI     0.0432
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            25294
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         69.194
_diffrn_reflns_theta_min         4.634
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_current           30.0
_diffrn_source_power             1.2
_diffrn_source_type              'Bruker TXS'
_diffrn_source_voltage           40.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.470
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6577
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1108 before and 0.0690 after correction.
The Ratio of minimum to maximum transmission is 0.8733.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.077
_exptl_crystal_description       irregular
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.04
_exptl_crystal_size_mid          0.021
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.424
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     305
_refine_ls_number_reflns         4946
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0645
_refine_ls_R_factor_gt           0.0479
_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^)+(0.0664P)^2^+0.8709P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1204
_refine_ls_wR_factor_ref         0.1317
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3862
_reflns_number_total             4946
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc04543a2.cif
_cod_data_source_block           3b
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 1570844--1570850.cif.
;
_cod_original_cell_volume        2687.2(4)
_cod_database_code               1570846
_shelx_shelxl_version_number     2019/1
_shelx_estimated_absorpt_t_max   0.995
_shelx_estimated_absorpt_t_min   0.981
_olex2_refinement_description
;
1.a Ternary CH refined with riding coordinates:
 C1(H1), C12(H12), C15(H15), C24(H24), C27(H27)
1.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3C,H3D), C4(H4A,H4B), C5(H5A,H5B)
1.c Aromatic/amide H refined with riding coordinates:
 C8(H8), C9(H9), C10(H10), C20(H20), C21(H21), C22(H22)
1.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C14(H14A,H14B,H14C), C16(H16A,H16B,H16C), C17(H17A,H17B,
 H17C), C25(H25A,H25B,H25C), C26(H26A,H26B,H26C), C28(H28A,H28B,H28C), C29(H29A,
 H29B,H29C)
;
_shelx_res_checksum              46590
_shelx_hkl_checksum              5286
_olex2_submission_special_instructions 'No special instructions were received'