Syntheses of Mononuclear and Dinuclear Aluminum Complexes Stabilized by Phenolato Ligands and Their Applications in the Polymerization of ε-Caprolactone: A Comparative Study.
Chen, Lijuan; Li, Wenyi; Yuan, Dan; Zhang, Yong; Shen, Qi; Yao, Yingming; Inorganic chemistry 54 (2015) 4699–4708; doi:10.1021/acs.inorgchem.5b00022

data_4343003
_publ_section_title
;
 Syntheses of Mononuclear and Dinuclear Aluminum Complexes Stabilized by
 Phenolato Ligands and Their Applications in the Polymerization of
 \e-Caprolactone: A Comparative Study.
;
_journal_issue                   10
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4699
_journal_page_last               4708
_journal_paper_doi               10.1021/acs.inorgchem.5b00022
_journal_volume                  54
_journal_year                    2015
_chemical_formula_moiety         'C32 H52 Al2 N2 O2, 2(C4 H8 O)'
_chemical_formula_sum            'C40 H68 Al2 N2 O4'
_chemical_formula_weight         694.92
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_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                 95.946(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.5880(11)
_cell_length_b                   23.667(3)
_cell_length_c                   9.2489(10)
_cell_measurement_reflns_used    7146
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     2087.5(4)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_detector_area_resol_mean 14.63
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0305
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            12622
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_T_max  0.953
_exptl_absorpt_correction_T_min  0.730
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.106
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.498
_refine_diff_density_min         -0.386
_refine_diff_density_rms         '0.091 =###END'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         3872
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0672
_refine_ls_R_factor_gt           0.0553
_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^)+(0.0757P)^2^+0.6469P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1414
_refine_ls_wR_factor_ref         0.1495
_reflns_number_gt                3308
_reflns_number_total             3872
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5b00022_si_003.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 4343003--4343007.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4343003