Synthesis, Characterisation and Reactivity studies of Chiral β-Diketiminate-like Supported Aluminium Lewis Acid Complexes Towards Difficult Diels Alder Cycloadditions
Dissanayake, Deepamali; Forsyth, Craig M.; Vidovic, Dragoslav; Dalton Transactions  (2023) –; doi:10.1039/D3DT00206C

data_7712491
_publ_section_title
;
 Synthesis, Characterisation and Reactivity studies of Chiral
 \b-Diketiminate-like Supported Aluminium Lewis Acid Complexes Towards
 Difficult Diels Alder Cycloadditions
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D3DT00206C
_journal_year                    2023
_chemical_formula_moiety         'C18 H19 Al Cl2 N2 O'
_chemical_formula_sum            'C18 H19 Al Cl2 N2 O'
_chemical_formula_weight         377.23
_space_group_crystal_system      triclinic
_space_group_IT_number           1
_space_group_name_Hall           'P 1'
_space_group_name_H-M_alt        'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2022-10-12
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2023-01-18 deposited with the CCDC.	2023-03-01 downloaded from the CCDC.
;
_cell_angle_alpha                73.1720(10)
_cell_angle_beta                 75.0700(10)
_cell_angle_gamma                72.673(2)
_cell_formula_units_Z            2
_cell_length_a                   8.05680(10)
_cell_length_b                   9.7524(2)
_cell_length_c                   12.7427(2)
_cell_measurement_reflns_used    23924
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      31.6260
_cell_measurement_theta_min      3.4320
_cell_volume                     898.63(3)
_computing_cell_refinement       'CrysAlisPro 1.171.40.81a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.40.81a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.40.81a (Rigaku OD, 2020)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve 1.3 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      123.15
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.879
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0307
_diffrn_reflns_av_unetI/netI     0.0309
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.879
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            34610
_diffrn_reflns_point_group_measured_fraction_full 0.977
_diffrn_reflns_point_group_measured_fraction_max 0.807
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.961
_diffrn_reflns_theta_min         3.401
_exptl_absorpt_coefficient_mu    0.417
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.93685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.81a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.394
_exptl_crystal_description       prism
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.173
_exptl_crystal_size_mid          0.129
_exptl_crystal_size_min          0.097
_refine_diff_density_max         0.242
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 4095 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.005(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     437
_refine_ls_number_reflns         10032
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0304
_refine_ls_R_factor_gt           0.0277
_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^)+(0.0312P)^2^+0.0813P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0630
_refine_ls_wR_factor_ref         0.0642
_reflns_Friedel_coverage         0.835
_reflns_Friedel_fraction_full    0.956
_reflns_Friedel_fraction_max     0.734
_reflns_number_gt                9459
_reflns_number_total             10032
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt00206c2.cif
_cod_data_source_block           mx42_20
_cod_database_code               7712491
_shelx_shelxl_version_number     2018/3
_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.a Ternary CH refined with riding coordinates:
 C15(H15), C16(H16), C35(H35), C36(H36)
2.b Secondary CH2 refined with riding coordinates:
 C14(H14A,H14B), C34(H34A,H34B)
2.c Aromatic/amide H refined with riding coordinates:
 C13(H13), C9(H9), C10(H10), C8(H8), C11(H11), C2(H2), C3(H3), C4(H4), C5(H5),
 C22(H22), C23(H23), C24(H24), C25(H25), C26(H26), C28(H28), C29(H29), C30(H30),
  C31(H31)
2.d Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C37(H37A,H37B,H37C), C38(H38A,H38B,
 H38C)
;
_shelx_res_checksum              16544
_shelx_hkl_checksum              42420
_olex2_submission_special_instructions 'No special instructions were received'