Synthesis and Reactivity of Bi-, Tri-, and Hexametallic and Zwitterionic Methyl Aluminum Complexes Containing a Phenoxide/Imine Ligand System
Andrew Cottone, III; Dolores Morales; Jennifer L. Lecuivre; Michael J. Scott; Organometallics 21 (2002) 418–428; doi:10.1021/om010773b

data_4060762
_publ_section_title
;
 Synthesis and Reactivity of Bi-, Tri-, and Hexametallic and
 Zwitterionic Methyl Aluminum Complexes Containing a Phenoxide/Imine
 Ligand System
;
_journal_name_full               Organometallics
_journal_page_first              418
_journal_page_last               428
_journal_paper_doi               10.1021/om010773b
_journal_volume                  21
_journal_year                    2002
_chemical_formula_sum            'C41 H50 Al Cl4 N O3'
_chemical_formula_weight         773.60
_chemical_name_common            132CH2Cl2
_chemical_name_systematic
; 
 [(5H)+AlMe-]
;
_space_group_IT_number           14
_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                 98.415(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5604(9)
_cell_length_b                   25.374(2)
_cell_length_c                   17.1538(16)
_cell_measurement_temperature    173(2)
_cell_volume                     4116.4(7)
_computing_cell_refinement       'Bruker AXS SMART'
_computing_data_collection       'Bruker AXS SMART'
_computing_data_reduction        'Bruker AXS SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.1080
_diffrn_reflns_av_sigmaI/netI    0.1364
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            20355
_diffrn_reflns_theta_full        23.50
_diffrn_reflns_theta_max         23.50
_diffrn_reflns_theta_min         1.44
_exptl_absorpt_coefficient_mu    0.346
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.793448
_exptl_absorpt_correction_type   'Corrected by SADABS'
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1632
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.222
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.982
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         6093
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.982
_refine_ls_R_factor_all          0.1537
_refine_ls_R_factor_gt           0.0705
_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^)+(0.0504P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1249
_refine_ls_wR_factor_ref         0.1522
_reflns_number_gt                3066
_reflns_number_total             6093
_reflns_threshold_expression     >2sigma(I)
_cod_original_sg_symbol_H-M      P12(1)/c1
_cod_database_code               4060762