Isolating elusive ‘Al(μ-O)M’ intermediates in CO2 reduction by bimetallic Al–M complexes (M = Zn, Mg)
Evans, Matthew J.; Iliffe, George H.; Neale, Samuel E.; McMullin, Claire L.; Fulton, J. Robin; Anker, Mathew D.; Coles, Martyn P.; Chemical Communications  (2022) –; doi:10.1039/D2CC04028J

data_7130595
_publ_section_title
;
 Isolating elusive &#x2018;Al(\m-O)M&#x2019; intermediates in CO2
 reduction by bimetallic Al--M complexes (M = Zn, Mg)
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D2CC04028J
_journal_year                    2022
_chemical_formula_moiety         'C28 H46 Al N2 O Si2, C23 H29 Mg N2'
_chemical_formula_sum            'C51 H75 Al Mg N4 O Si2'
_chemical_formula_weight         867.62
_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             2021-10-07T13:51:03-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2022-07-04 deposited with the CCDC.	2022-08-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.5318(13)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.5558(2)
_cell_length_b                   18.8726(3)
_cell_length_c                   24.3018(4)
_cell_measurement_reflns_used    12477
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      73.076
_cell_measurement_theta_min      4.322
_cell_measurement_wavelength     1.54184
_cell_volume                     5299.70(15)
_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      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0856
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.9801
_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      0.1311617
_diffrn_orient_matrix_UB_12      0.0120046
_diffrn_orient_matrix_UB_13      -0.0059349
_diffrn_orient_matrix_UB_21      -0.0104592
_diffrn_orient_matrix_UB_22      0.0710833
_diffrn_orient_matrix_UB_23      0.0307134
_diffrn_orient_matrix_UB_31      0.0215018
_diffrn_orient_matrix_UB_32      -0.0382823
_diffrn_orient_matrix_UB_33      0.0551447
_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  0.0346
_diffrn_reflns_av_unetI/netI     0.0549
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            34093
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        74.0807
_diffrn_reflns_theta_max         73.4215
_diffrn_reflns_theta_min         3.6378
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.162
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.82506
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        CrysAlisPro 1.171.40.53 (Rigaku Oxford Diffraction, 2019)
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.088
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.225
_exptl_crystal_size_mid          0.129
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     561
_refine_ls_number_reflns         10464
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0491
_refine_ls_R_factor_gt           0.0397
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0553P)^2^+1.0271P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1021
_refine_ls_wR_factor_ref         0.1092
_reflns_number_gt                8804
_reflns_number_total             10464
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc04028j2.cif
_cod_data_source_block           Compound-1-Mg
_cod_original_cell_volume        5299.69(15)
_cod_database_code               7130595