Synthesis and Structural Characterization of Various N,O,N-Chelated Aluminum and Gallium Complexes for the Efficient ROP of Cyclic Esters and Carbonates: How Do Aluminum and Gallium Derivatives Compare ?
Hild, Frédéric; Neehaul, Nirvana; Bier, Frédéric; Wirsum, Morgane; Gourlaouen, Christophe; Dagorne, Samuel; Organometallics 32 (2013) 587–; doi:10.1021/om3011068

data_4079963
_publ_section_title
;
 Synthesis and Structural Characterization of Various N,O,N-Chelated
 Aluminum and Gallium Complexes for the Efficient ROP of Cyclic Esters and
 Carbonates: How Do Aluminum and Gallium Derivatives Compare ?
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              587
_journal_paper_doi               10.1021/om3011068
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C25 H31 Al N2 O'
_chemical_formula_sum            'C25 H31 Al N2 O'
_chemical_formula_weight         402.50
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                90.0000(12)
_cell_angle_beta                 95.9270(13)
_cell_angle_gamma                90.0000(10)
_cell_formula_units_Z            8
_cell_length_a                   19.5550(2)
_cell_length_b                   8.7490(2)
_cell_length_c                   25.9600(7)
_cell_measurement_reflns_used    8113
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.131
_cell_measurement_theta_min      1.018
_cell_volume                     4417.67(16)
_computing_cell_refinement       'Denzo (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo (Nonius B.V., 1998)'
_computing_molecular_graphics    'PLATON 98 (Spek, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       '\p 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  0.0885
_diffrn_reflns_av_sigmaI/netI    0.1096
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            16030
_diffrn_reflns_theta_full        29.17
_diffrn_reflns_theta_max         29.17
_diffrn_reflns_theta_min         2.49
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1728
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.785
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         5940
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.1500
_refine_ls_R_factor_gt           0.0750
_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^)+(0.1008P)^2^+1.2402P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1749
_refine_ls_wR_factor_ref         0.2046
_reflns_number_gt                3310
_reflns_number_total             5940
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3011068_si_002.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4079963