A Stable Ring-Expanded NHC-Supported Copper Boryl and its Reactivity towards Heterocumulenes
Horsley Downie, Thomas Mardale; Charman, Rex S. C.; Hall, Jonathan W.; Mahon, Mary F.; Lowe, John P.; Liptrot, David Jonathan; Dalton Transactions  (2021) –; doi:10.1039/D1DT03540A

data_7708615
_publ_section_title
;
 A Stable Ring-Expanded NHC-Supported Copper Boryl and its Reactivity
 towards Heterocumulenes
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D1DT03540A
_journal_year                    2021
_chemical_formula_moiety         'C34 H52 B Cu N2 O2 S, 2(C6 H6)'
_chemical_formula_sum            'C46 H64 B Cu N2 O2 S'
_chemical_formula_weight         783.40
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-03-06
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-10-19 deposited with the CCDC.	2021-10-21 downloaded from the CCDC.
;
_cell_angle_alpha                76.032(4)
_cell_angle_beta                 88.810(3)
_cell_angle_gamma                67.215(4)
_cell_formula_units_Z            2
_cell_length_a                   10.4440(5)
_cell_length_b                   12.3254(5)
_cell_length_c                   19.4836(8)
_cell_measurement_reflns_used    7683
_cell_measurement_temperature    150.01(10)
_cell_measurement_theta_max      72.6790
_cell_measurement_theta_min      4.6050
_cell_volume                     2236.54(19)
_computing_cell_refinement       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_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 (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1150
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0249
_diffrn_reflns_av_unetI/netI     0.0381
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.975
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            15667
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.975
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.044
_diffrn_reflns_theta_min         4.021
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.396
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.163
_exptl_crystal_description       needle
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.317
_exptl_crystal_size_mid          0.091
_exptl_crystal_size_min          0.049
_refine_diff_density_max         0.470
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     520
_refine_ls_number_reflns         8732
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0489
_refine_ls_R_factor_gt           0.0420
_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^)+(0.0458P)^2^+0.9419P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1102
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7611
_reflns_number_total             8732
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt03540a2.cif
_cod_data_source_block           s20djl05-cpd3
_cod_original_cell_volume        2236.54(18)
_cod_database_code               7708615
_shelxl_version_number           2014-3
_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
 C35-C40 \\sim C39-C38 \\sim C37-C36
 with sigma of 0.005
 C40-C39 \\sim C40A-C39A
 with sigma of 0.02
 C40-C35 \\sim C40A-C35A
 with sigma of 0.02
 C39-C38 \\sim C39A-C38A
 with sigma of 0.02
 C37-C36 \\sim C37A-C36A
 with sigma of 0.02
 C37-C38 \\sim C37A-C38A
 with sigma of 0.02
 C35-C36 \\sim C35A-C36A
 with sigma of 0.02
 C40-C36 \\sim C40A-C36A
 with sigma of 0.04
 C40-C38 \\sim C40A-C38A
 with sigma of 0.04
 C39-C37 \\sim C39A-C37A
 with sigma of 0.04
 C39-C35 \\sim C39A-C35A
 with sigma of 0.04
 C37-C35 \\sim C37A-C35A
 with sigma of 0.04
 C36-C38 \\sim C36A-C38A
 with sigma of 0.04
3. Others
 Fixed Sof: C35A(0.5) H35A(0.5) C36A(0.5) H36A(0.5) C37A(0.5) H37A(0.5)
 C38A(0.5) H38A(0.5) C39A(0.5) H39A(0.5) C40A(0.5) H40A(0.5) C35(0.5) H35(0.5)
 C36(0.5) H36(0.5) C37(0.5) H37(0.5) C38(0.5) H38(0.5) C39(0.5) H39(0.5)
 C40(0.5) H40(0.5)
4.a Ternary CH refined with riding coordinates:
 C11(H11), C14(H14), C23(H23), C26(H26)
4.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B)
4.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C19(H19), C20(H20), C21(H21), C35A(H35A), C36A(H36A),
 C37A(H37A), C38A(H38A), C39A(H39A), C40A(H40A), C35(H35), C36(H36), C37(H37),
 C38(H38), C39(H39), C40(H40), C41(H41), C42(H42), C43(H43), C44(H44), C45(H45),
  C46(H46)
4.d Fitted hexagon refined as free rotating group:
 C35A(C36A,C37A,C38A,C39A,C40A), C35(C36,C37,C38,C39,C40)
4.e Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C15(H15A,H15B,H15C), C16(H16A,H16B,
 H16C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C), C27(H27A,H27B,H27C), C28(H28A,
 H28B,H28C), C30(H30A,H30B,H30C), C31(H31A,H31B,H31C), C33(H33A,H33B,H33C),
 C34(H34A,H34B,H34C)
;