Hydro-coupling of isocyanates promoted by 1,2-bis(arylimino)acenaphthene aluminum hydrides.
Koptseva, Tatyana S.; Skatova, Alexandra A.; Moskalev, Mikhail V.; Rumyantcev, Roman V.; Fedushkin, Igor L.; Dalton transactions (Cambridge, England : 2003) 53 (2024) 17308–17312; doi:10.1039/d4dt02597k

data_7717173
_publ_section_title
;
 Hydro-coupling of isocyanates promoted by 1,2-bis(arylimino)acenaphthene
 aluminum hydrides.
;
_journal_issue                   42
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              17308
_journal_page_last               17312
_journal_paper_doi               10.1039/d4dt02597k
_journal_volume                  53
_journal_year                    2024
_chemical_formula_sum            'C48 H65 Al N4 O2.5'
_chemical_formula_weight         765.02
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2024-06-20 deposited with the CCDC.	2024-10-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.485(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.8354(4)
_cell_length_b                   10.1426(2)
_cell_length_c                   44.3154(8)
_cell_measurement_reflns_used    14630
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.8850
_cell_measurement_theta_min      2.3900
_cell_volume                     8839.5(3)
_computing_cell_refinement       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_molecular_graphics
'Diamond. Ver. 3.2k. (Putz & Brandernburg, 2014)'
_computing_publication_material
'Diamond. Ver. 3.2k. (Putz & Brandernburg, 2014)'
_computing_structure_refinement  SHELXL-2019/3
_computing_structure_solution    SHELXT-2014/5
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.0704
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0762
_diffrn_reflns_av_unetI/netI     0.0611
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       62
_diffrn_reflns_limit_l_min       -63
_diffrn_reflns_number            87011
_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         30.508
_diffrn_reflns_theta_min         2.061
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.969
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.49 (Rigaku Oxford Diffraction, 2022)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.150
_exptl_crystal_description       rhombus
_exptl_crystal_F_000             3312
_exptl_crystal_size_max          0.470
_exptl_crystal_size_mid          0.350
_exptl_crystal_size_min          0.270
_refine_diff_density_max         0.429
_refine_diff_density_min         -0.386
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     604
_refine_ls_number_reflns         13497
_refine_ls_number_restraints     254
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.1168
_refine_ls_R_factor_gt           0.0598
_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^)+(0.0468P)^2^+10.4713P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1240
_refine_ls_wR_factor_ref         0.1481
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8269
_reflns_number_total             13497
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt02597k2.cif
_cod_data_source_block           albianocntbu1
_cod_depositor_comments
'Adding full bibliography for 7717170--7717178.cif.'
_cod_original_sg_symbol_H-M      'I 2/a'
_cod_original_formula_sum        'C48 H65 Al N4 O2.50'
_cod_database_code               7717173
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.959
_shelx_estimated_absorpt_t_max   0.976
_oxdiff_exptl_absorpt_empirical_full_min 0.937
_oxdiff_exptl_absorpt_empirical_full_max 1.102
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              20812
_shelx_hkl_checksum              2319