Three-Coordinate Cationic Aluminum Alkyl Complexes Incorporating β-Diketiminate Ligands
Catherine E. Radzewich; Ilia A. Guzei; Richard F. Jordan; Journal of the American Chemical Society 121 (1999) 8673–8674; doi:10.1021/ja991759h

data_4116539
_publ_contact_author_address
;
   Department of Chemistry
   Iowa State University of Science and Technology
   Ames, Iowa, 50011
   USA
;
_publ_contact_author_email       iguzei@iastate.edu
_publ_contact_author_fax         +515-294-5717
_publ_contact_author_name
;
Ilia A. Guzei
;
_publ_contact_author_phone       +515-294-6419
_publ_section_title
;
 Three-Coordinate Cationic Aluminum Alkyl Complexes Incorporating
 \b-Diketiminate Ligands
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8673
_journal_page_last               8674
_journal_paper_doi               10.1021/ja991759h
_journal_volume                  121
_journal_year                    1999
_chemical_formula_sum            'C60 H50 Al B F20 N2'
_chemical_formula_weight         1216.81
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                68.1420(10)
_cell_angle_beta                 82.4990(10)
_cell_angle_gamma                75.8380(10)
_cell_formula_units_Z            2
_cell_length_a                   13.6005(7)
_cell_length_b                   14.6761(7)
_cell_length_c                   15.9556(8)
_cell_measurement_temperature    173(2)
_cell_volume                     2863.2(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0409
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            11599
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.142
_exptl_absorpt_correction_T_max  0.9456
_exptl_absorpt_correction_T_min  0.9378
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_description       block
_exptl_crystal_F_000             1244
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.445
_refine_diff_density_min         -0.249
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     768
_refine_ls_number_reflns         11599
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0614
_refine_ls_R_factor_gt           0.0374
_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^)+(0.0547P)^2^+0.0252P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0936
_refine_ls_wR_factor_ref         0.1019
_reflns_number_gt                8263
_reflns_number_total             11599
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja991759h_1.cif
_cod_data_source_block           jor09
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