Subtle Reactivities of Boron and Aluminum Complexes with Amino-Linked N-Heterocyclic Carbene Ligation
Tai, Chia-Cheng; Chang, Ya-Ting; Tsai, Jie-Hong; Jurca, Titel; Yap, Glenn P. A.; Ong, Tiow-Gan; Organometallics 31 (2012) 637–; doi:10.1021/om200878e

data_4067885
_publ_section_title
;
 Subtle Reactivities of Boron and Aluminum Complexes with Amino-Linked
 N-Heterocyclic Carbene Ligation
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              637
_journal_paper_doi               10.1021/om200878e
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C40 H56 Al N5 O3'
_chemical_formula_weight         681.88
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           78
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.5261(3)
_cell_length_b                   13.5261(3)
_cell_length_c                   21.1284(10)
_cell_measurement_reflns_used    1891
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      20.05
_cell_measurement_theta_min      2.34
_cell_volume                     3865.6(2)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2001)'
_computing_publication_material  'SHELXTL (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1575
_diffrn_reflns_av_sigmaI/netI    0.1931
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            33647
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.08
_diffrn_reflns_theta_min         2.34
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9924
_exptl_absorpt_correction_T_min  0.9812
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.172
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_platon_squeeze_details
;
- PLATON Reference : Spek, A.L. (2003), J.Appl.Cryst. 36, 7-13
Void space analysis is consistent with initial solutions 
showing 1 diethyl ether molecule of solvation per 
compound molecule.
;
_refine_diff_density_max         0.718
_refine_diff_density_min         -0.303
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         8451
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.1804
_refine_ls_R_factor_gt           0.0964
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0918P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2139
_refine_ls_wR_factor_ref         0.2368
_reflns_number_gt                3814
_reflns_number_total             8451
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200878e_si_007.cif
_cod_data_source_block           i12494s
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P4(3)
_cod_database_code               4067885