Reversible 1,1-hydroaluminations and C-H activation in reactions of a cyclic (alkyl)(amino) carbene with alane.
Cao, Levy L.; Stephan, Douglas W.; Chemical communications (Cambridge, England) 54 (2018) 8407–8410; doi:10.1039/c8cc05013a

data_7121907
_publ_section_title
;
 Reversible 1,1-hydroaluminations and C-H activation in reactions of a
 cyclic (alkyl)(amino) carbene with alane.
;
_journal_issue                   60
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              8407
_journal_page_last               8410
_journal_paper_doi               10.1039/c8cc05013a
_journal_volume                  54
_journal_year                    2018
_chemical_formula_sum            'C44 H73 Al N2'
_chemical_formula_weight         657.02
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-06-21 deposited with the CCDC.
2018-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                92.871(2)
_cell_angle_beta                 98.051(2)
_cell_angle_gamma                101.380(2)
_cell_formula_units_Z            2
_cell_length_a                   9.4074(6)
_cell_length_b                   11.4610(8)
_cell_length_c                   19.1698(13)
_cell_measurement_reflns_used    9895
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.66
_cell_measurement_theta_min      2.19
_cell_volume                     1999.8(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep 3'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2014/4 (Sheldrick, 2015)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0428
_diffrn_reflns_av_unetI/netI     0.0463
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            42000
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.281
_diffrn_reflns_theta_min         2.038
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.6966
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.091
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.310
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     427
_refine_ls_number_reflns         9933
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0748
_refine_ls_R_factor_gt           0.0450
_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^)+(0.0678P)^2^+0.3873P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1159
_refine_ls_wR_factor_ref         0.1295
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7135
_reflns_number_total             9933
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc05013a2.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 7121906--7121908.cif.'
_cod_database_code               7121907
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              38311
_shelx_hkl_checksum              61880