Synthesis of HC[(CBut)(NAr)]2Al (Ar = 2,6-Pri2C6H3) and Its Reaction with Isocyanides, a Bulky Azide, and H2O
Li, Xiaofei; Cheng, Xiaoyan; Song, Haibin; Cui, Chunming; Organometallics 26 (2007) 1039–; doi:10.1021/om061107j

data_4072874
_publ_section_title
;
 Synthesis of HC[(CBut)(NAr)]2Al (Ar = 2,6-Pri2C6H3) and Its Reaction with
 Isocyanides, a Bulky Azide, and H2O
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              1039
_journal_paper_doi               10.1021/om061107j
_journal_volume                  26
_journal_year                    2007
_chemical_formula_moiety         'C61 H87 Al N4'
_chemical_formula_sum            'C61 H87 Al N4'
_chemical_formula_weight         903.33
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.189(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.255(2)
_cell_length_b                   18.737(3)
_cell_length_c                   21.076(3)
_cell_measurement_reflns_used    10244
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      1.5
_cell_volume                     5628.1(14)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      294(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0416
_diffrn_reflns_av_sigmaI/netI    0.0377
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            46034
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.9925
_exptl_absorpt_correction_T_min  0.9792
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.066
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1976
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.305
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.036
_refine_ls_extinction_coef       0.0083(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     619
_refine_ls_number_reflns         11046
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0922
_refine_ls_R_factor_gt           0.0673
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0880P)^2^+1.0410P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1698
_refine_ls_wR_factor_ref         0.1878
_reflns_number_gt                8139
_reflns_number_total             11046
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om061107jsi20061212_085549.cif
_cod_data_source_block           shelxl
_cod_original_cell_volume        5628.2(13)
_cod_database_code               4072874