Aluminium metal complexes supported by amine bis-phenolate ligands as catalysts for ring-opening polymerization of ?-caprolactone
Chen, Chi-Tien; Huang, Chi-An; Huang, Bor-Hunn; Dalton Transactions  (2003) 3799–; doi:10.1039/b307365c

data_7013385
_publ_section_title
;
 Aluminium metal complexes supported by amine bis-phenolate ligands as
 catalysts for ring-opening polymerization of ?-caprolactone
;
_journal_issue                   19
_journal_name_full               'Dalton Transactions'
_journal_page_first              3799
_journal_paper_doi               10.1039/b307365c
_journal_year                    2003
_chemical_formula_sum            'C41 H61 Al N2 O3'
_chemical_formula_weight         656.90
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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                 113.582(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.9123(19)
_cell_length_b                   11.7193(12)
_cell_length_c                   18.5419(17)
_cell_measurement_reflns_used    3292
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.726
_cell_measurement_theta_min      2.602
_cell_volume                     3965.6(7)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0819
_diffrn_reflns_av_sigmaI/netI    0.0913
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            22096
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.289
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.100
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelpiped
_exptl_crystal_F_000             1432
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.946
_refine_diff_density_min         -0.424
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         7801
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.1758
_refine_ls_R_factor_gt           0.0874
_refine_ls_shift/su_max          0.100
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1500P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2472
_refine_ls_wR_factor_ref         0.3018
_reflns_number_gt                3516
_reflns_number_total             7801
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b307365c.txt
_cod_data_source_block           compound_4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7013385