Construction of σ-aromatic AlB2 ring via A Borane Coupling with A Dicoordinate Cyclic (Alkyl)(Amino)Aluminyl Anion.
Koshino, Kota; Kinjo, Rei; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.0c03179

data_4134884
_publ_section_title
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 Construction of \s-aromatic AlB2 ring via A Borane Coupling with A
 Dicoordinate Cyclic (Alkyl)(Amino)Aluminyl Anion.
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_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c03179
_journal_year                    2020
_chemical_formula_sum            'C53 H81 Al K N O8 Si2'
_chemical_formula_weight         982.44
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_cell_angle_alpha                88.823(2)
_cell_angle_beta                 71.777(2)
_cell_angle_gamma                73.126(2)
_cell_formula_units_Z            2
_cell_length_a                   11.3322(10)
_cell_length_b                   15.8470(14)
_cell_length_c                   16.6312(15)
_cell_measurement_reflns_used    3425
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      21.8375
_cell_measurement_theta_min      2.5864
_cell_volume                     2706.6(4)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'Bruker Instrument Service v2012.12.0.3'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2016)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2016)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1418
_diffrn_reflns_av_unetI/netI     0.1950
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            46094
_diffrn_reflns_theta_full        28.03
_diffrn_reflns_theta_max         28.03
_diffrn_reflns_theta_min         1.79
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Bruker X8 Apex'
_exptl_absorpt_coefficient_mu    0.210
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.81
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1060
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.394
_refine_diff_density_min         -0.491
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     818
_refine_ls_number_reflns         13008
_refine_ls_number_restraints     432
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.1871
_refine_ls_R_factor_gt           0.0641
_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^)] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0548
_refine_ls_wR_factor_ref         0.0686
_reflns_number_gt                5919
_reflns_number_total             13008
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c03179_si_008.cif
_cod_data_source_block           rei1428_kota
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
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_cod_database_code               4134884
_shelx_res_checksum              42059
_shelx_hkl_checksum              68404