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_4116540
_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            'C49 H47 Al B F15 N2'
_chemical_formula_weight         986.68
_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                99.2620(10)
_cell_angle_beta                 92.0930(10)
_cell_angle_gamma                98.1030(10)
_cell_formula_units_Z            4
_cell_length_a                   14.0700(7)
_cell_length_b                   16.6044(9)
_cell_length_c                   20.3608(11)
_cell_measurement_temperature    173(2)
_cell_volume                     4639.3(4)
_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 0.988
_diffrn_measured_fraction_theta_max 0.988
_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    0.0424
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            18757
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.141
_exptl_absorpt_correction_T_max  0.9430
_exptl_absorpt_correction_T_min  0.9327
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorle
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_description       block
_exptl_crystal_F_000             2032
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.48
_exptl_crystal_size_min          0.42
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.265
_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     1249
_refine_ls_number_reflns         18757
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0625
_refine_ls_R_factor_gt           0.0368
_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^)+(0.0500P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0898
_refine_ls_wR_factor_ref         0.0984
_reflns_number_gt                13064
_reflns_number_total             18757
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja991759h_2.cif
_cod_data_source_block           jor08
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