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_4067884
_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            'C44 H49 B N4 O'
_chemical_formula_weight         660.68
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 95.189(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3521(5)
_cell_length_b                   20.4369(12)
_cell_length_c                   19.4853(13)
_cell_measurement_reflns_used    6314
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.1232
_cell_measurement_theta_min      2.9533
_cell_volume                     3708.9(4)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0708
_diffrn_reflns_av_sigmaI/netI    0.0727
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            34877
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.9826
_exptl_absorpt_correction_T_min  0.9791
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.183
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.274
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     461
_refine_ls_number_reflns         8503
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0947
_refine_ls_R_factor_gt           0.0533
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0450P)^2^+0.7430P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1035
_refine_ls_wR_factor_ref         0.1212
_reflns_number_gt                5741
_reflns_number_total             8503
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200878e_si_005.cif
_cod_data_source_block           i13212
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4067884