Organoaluminium complexes with sterically demanding oximato ligands: does a bulky and rigid ligand backbone change the aggregation motif?
Ullrich, Matthias; Mitzel, Norbert W.; Bergander, Klaus; Fröhlich, Roland; Dalton transactions (Cambridge, England : 2003)  (2006) 714–721; doi:10.1039/b509511e

data_7006387
_publ_section_title
;
 Organoaluminium complexes with sterically demanding oximato ligands:
 does a bulky and rigid ligand backbone change the aggregation motif?
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              714
_journal_page_last               721
_journal_paper_doi               10.1039/b509511e
_journal_year                    2006
_chemical_formula_sum            'C36 H66 Al3 N3 O3'
_chemical_formula_weight         669.86
_chemical_melting_point          130
_chemical_name_common
;
tris-((mu2-(1R,4R)-1,7,7-trimethylbicyclo(2.2.1)heptane-2-one
oximato-O)dimethylaluminium)
;
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 97.182(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7886(13)
_cell_length_b                   20.1732(19)
_cell_length_c                   14.6935(14)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      1
_cell_volume                     4055.1(7)
_computing_cell_refinement       'SAINT (Bruker AXS, 2000)'
_computing_data_collection       'SMART (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT,SADABS (Bruker AXS, 2000)'
_computing_molecular_graphics    'SHELXTL 5.01'
_computing_publication_material  'SHELXTL 5.01'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 80
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'Omega and Phi 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  0.0561
_diffrn_reflns_av_sigmaI/netI    0.1002
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            47369
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         1.40
_exptl_absorpt_coefficient_mu    0.128
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.097
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.448
_refine_diff_density_min         -0.257
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.10(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     913
_refine_ls_number_reflns         23078
_refine_ls_number_restraints     137
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.1141
_refine_ls_R_factor_gt           0.0794
_refine_ls_shift/su_max          0.036
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0728P)^2^+0.1089P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1566
_refine_ls_wR_factor_ref         0.1713
_reflns_number_gt                16562
_reflns_number_total             23078
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b509511e.txt
_cod_data_source_block           mat2_NEW
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7006387