Novel bidentate <i>N</i>-coordinated alkylaluminum complexes: synthesis, characterization, and efficient catalysis for hydrophosphonylation.
Wei, Biao; Wang, Chaoqun; Miao, Hui; Qin, Zhibiao; Huang, Mengna; Xu, Yan; Xue, Wenhui; Yang, Shucheng; Liu, Chenxu; Bai, Cuibing; Chen, Zheng; Dalton transactions (Cambridge, England : 2003) 53 (2024) 4185–4193; doi:10.1039/d3dt04087a

data_7715373
_publ_section_title
;
 Novel bidentate <i>N</i>-coordinated alkylaluminum complexes: synthesis,
 characterization, and efficient catalysis for hydrophosphonylation.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4185
_journal_page_last               4193
_journal_paper_doi               10.1039/d3dt04087a
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C21 H19 Al N2'
_chemical_formula_sum            'C21 H19 Al N2'
_chemical_formula_weight         326.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2023-11-14
_audit_creation_method
;
Olex2 1.5-alpha
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2023-12-01 deposited with the CCDC.	2024-01-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.684(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.9752(7)
_cell_length_b                   7.9387(4)
_cell_length_c                   17.5169(9)
_cell_measurement_reflns_used    4151
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.4130
_cell_measurement_theta_min      2.3300
_cell_volume                     1798.32(16)
_computing_cell_refinement       'CrysAlisPro 1.171.40.84a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.40.84a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.40.84a (Rigaku OD, 2020)'
_computing_molecular_graphics    'Olex2 1.5-alpha (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-alpha (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve 1.5-alpha (Bourhis et al., 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.864
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -49.00  58.00   0.50    7.08    --  -23.24   3.00  20.00  214
  2  \w    -17.00  21.00   0.50    7.08    --  -23.24 -99.00  30.00   76
  3  \w    -15.00  12.00   0.50    7.08    --  -23.24 -99.00 -60.00   54
  4  \w   -124.00 -46.00   0.50    7.08    --  -23.24  -3.00-157.00  156
  5  \w     59.00 107.00   0.50    7.08    --   24.18 178.00-180.00   96
  6  \w     63.00  98.00   0.50    7.08    --   24.18 178.00 -90.00   70
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
'XtaLAB Synergy, Single source at offset/far, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0244710000
_diffrn_orient_matrix_UB_12      0.0013416000
_diffrn_orient_matrix_UB_13      -0.0347862000
_diffrn_orient_matrix_UB_21      0.0490918000
_diffrn_orient_matrix_UB_22      -0.0034420000
_diffrn_orient_matrix_UB_23      0.0209787000
_diffrn_orient_matrix_UB_31      -0.0015299000
_diffrn_orient_matrix_UB_32      -0.0891914000
_diffrn_orient_matrix_UB_33      -0.0013033000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0274
_diffrn_reflns_av_unetI/netI     0.0379
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.864
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10961
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.864
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.639
_diffrn_reflns_theta_min         2.035
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.41607
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.84a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.312
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         4378
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          1.543
_refine_ls_shift/su_mean         0.041
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0769P)^2^+0.0432P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1312
_refine_ls_wR_factor_ref         0.1464
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2924
_reflns_number_total             4378
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt04087a2.cif
_cod_data_source_block           exp_276
_cod_database_code               7715373
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         CHNAl
_shelx_estimated_absorpt_t_max   0.988
_shelx_estimated_absorpt_t_min   0.985
_olex2_refinement_description
;
1.a Aromatic/amide H refined with riding coordinates:
 C6(H6), C4(H4), C3(H3), C18(H18), C9(H9), C15(H15), C12(H12), C2(H2), C1(H1),
 C16(H16), C17(H17), C10(H10), C11(H11)
1.b Idealised Me refined as rotating group:
 C20(H20A,H20B,H20C), C21(H21A,H21B,H21C)
;
_smtbx_masks_void_probe_radius   1.2
_smtbx_masks_void_truncation_radius 1.2
_shelx_res_checksum              96429
_shelx_fab_checksum              72798
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.167
_oxdiff_exptl_absorpt_empirical_full_min 0.530