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_4134889
_publ_section_title
;
 Construction of \s-aromatic AlB2 ring via A Borane Coupling with A
 Dicoordinate Cyclic (Alkyl)(Amino)Aluminyl Anion.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c03179
_journal_year                    2020
_chemical_formula_sum            'C35 H67 Al K N O8 Si2'
_chemical_formula_weight         752.15
_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     dual
_cell_angle_alpha                90
_cell_angle_beta                 98.587(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.3793(6)
_cell_length_b                   13.5186(5)
_cell_length_c                   27.8039(14)
_cell_measurement_reflns_used    4119
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      21.5554
_cell_measurement_theta_min      2.5488
_cell_volume                     4229.2(3)
_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 0.960
_diffrn_measured_fraction_theta_max 0.960
_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  0.0918
_diffrn_reflns_av_unetI/netI     0.1039
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            35653
_diffrn_reflns_theta_full        27.12
_diffrn_reflns_theta_max         27.12
_diffrn_reflns_theta_min         1.48
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Bruker X8 Apex'
_exptl_absorpt_coefficient_mu    0.248
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.91
_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    1.181
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.611
_refine_diff_density_min         -0.524
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     656
_refine_ls_number_reflns         8985
_refine_ls_number_restraints     666
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.1381
_refine_ls_R_factor_gt           0.0580
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0415P)^2^+2.4930P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1056
_refine_ls_wR_factor_ref         0.1331
_reflns_number_gt                4903
_reflns_number_total             8985
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c03179_si_004.cif
_cod_data_source_block           rei1404_kota
_cod_depositor_comments
;
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 
;
_cod_database_code               4134889
_shelx_res_checksum              36453
_shelx_hkl_checksum              99318