Controlled reductive C-C coupling of isocyanides promoted by an aluminyl anion.
Evans, Matthew J.; Anker, Mathew D.; McMullin, Claire L.; Coles, Martyn P.; Chemical science 14 (2023) 6278–6288; doi:10.1039/d3sc01387a

data_1569172
_publ_section_title
;
 Controlled reductive C-C coupling of isocyanides promoted by an aluminyl
 anion.
;
_journal_issue                   23
_journal_name_full               'Chemical science'
_journal_page_first              6278
_journal_page_last               6288
_journal_paper_doi               10.1039/d3sc01387a
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'C63 H93 Al K N5 O3 Si2'
_chemical_formula_sum            'C63 H93 Al K N5 O3 Si2'
_chemical_formula_weight         1090.68
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4.3
_audit_creation_date             2021-08-09T11:32:02-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2023-03-09 deposited with the CCDC.	2023-05-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.0048(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.59172(14)
_cell_length_b                   22.52352(17)
_cell_length_c                   24.5925(2)
_cell_measurement_reflns_used    19976
_cell_measurement_temperature    120.01(10)
_cell_measurement_theta_max      73.188
_cell_measurement_theta_min      4.056
_cell_measurement_wavelength     1.54184
_cell_volume                     6385.54(11)
_computing_cell_refinement       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_molecular_graphics    'Ortep for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      120.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0856
_diffrn_measured_fraction_theta_full 0.9772
_diffrn_measured_fraction_theta_max 0.9913
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0869901
_diffrn_orient_matrix_UB_12      -0.0091545
_diffrn_orient_matrix_UB_13      -0.051123
_diffrn_orient_matrix_UB_21      -0.1009407
_diffrn_orient_matrix_UB_22      0.0143377
_diffrn_orient_matrix_UB_23      0.033903
_diffrn_orient_matrix_UB_31      0.0098813
_diffrn_orient_matrix_UB_32      0.0662357
_diffrn_orient_matrix_UB_33      -0.0143986
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0292
_diffrn_reflns_av_unetI/netI     0.0455
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            45551
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        74.0807
_diffrn_reflns_theta_max         73.3133
_diffrn_reflns_theta_min         3.6144
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.57
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.651
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
        CrysAlisPro 1.171.40.53 (Rigaku Oxford Diffraction, 2019)
Numerical absorption correction based on gaussian integration over
                        a multifaceted crystal model
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'intense red'
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2360
_exptl_crystal_size_max          0.242
_exptl_crystal_size_mid          0.138
_exptl_crystal_size_min          0.093
_refine_diff_density_max         0.302
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     698
_refine_ls_number_reflns         12745
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0401
_refine_ls_R_factor_gt           0.0349
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0472P)^2^+2.2715P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0885
_refine_ls_wR_factor_ref         0.0924
_reflns_number_gt                11417
_reflns_number_total             12745
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc01387a2.cif
_cod_data_source_block           compound-2-Et2O
_cod_depositor_comments
'Adding full bibliography for 1569168--1569174.cif.'
_cod_original_cell_volume        6385.53(11)
_cod_database_code               1569172