Cyclic (amino)(barrelene)carbenes: An original family of CAACs through a Novel Synthetic Pathway
Serrato, Melinda; Mohand, Melaimi; Bertrand, Guy; Chemical Communications  (2022) –; doi:10.1039/D2CC02565E

data_7130213
_publ_section_title
;
 Cyclic (amino)(barrelene)carbenes: An original family of CAACs through a
 Novel Synthetic Pathway
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D2CC02565E
_journal_year                    2022
_chemical_formula_moiety         'C29 H27 N Se'
_chemical_formula_sum            'C29 H27 N Se'
_chemical_formula_weight         468.47
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2022-05-04
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2022-05-05 deposited with the CCDC.	2022-06-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.5039(11)
_cell_length_b                   10.7587(9)
_cell_length_c                   14.0722(11)
_cell_measurement_reflns_used    9966
_cell_measurement_temperature    100.00
_cell_measurement_theta_max      25.39
_cell_measurement_theta_min      2.38
_cell_volume                     2195.9(3)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_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    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.00
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0683
_diffrn_reflns_av_unetI/netI     0.0430
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            23073
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.435
_diffrn_reflns_theta_min         2.016
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           50.0
_diffrn_source_power             2.5
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.727
_exptl_absorpt_correction_T_max  0.6257
_exptl_absorpt_correction_T_min  0.4756
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1331 before and 0.0974 after correction.
The Ratio of minimum to maximum transmission is 0.7601.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.417
_exptl_crystal_description       block
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.687
_refine_diff_density_min         -1.616
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         2143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0722P)^2^+2.0668P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1172
_refine_ls_wR_factor_ref         0.1211
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1914
_reflns_number_total             2143
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc02565e2.cif
_cod_data_source_block           gb_ms_messe_a
_cod_database_code               7130213
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.874
_shelx_estimated_absorpt_t_min   0.782
_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. Others
 Fixed Sof: H19A(0.5) H19B(0.5) H19C(0.5)
3.a Ternary CH refined with riding coordinates:
 C11(H11)
3.b Aromatic/amide H refined with riding coordinates:
 C9(H9), C16(H16), C12(H12), C6(H6), C8(H8), C7(H7)
3.c Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C13(H13A,H13B,H13C), C19(H19A,H19B,H19C)
;
_shelx_res_checksum              7449
_shelx_hkl_checksum              79566
_olex2_submission_special_instructions 'No special instructions were received'