Phenolate Substituent Effects on Ring-Opening Polymerization of ε-Caprolactone by Aluminum Complexes Bearing 2-(Phenyl-2-olate)-6-(1-amidoalkyl)pyridine Pincers
Alkarekshi, Wafaa; Armitage, Andrew P.; Boyron, Olivier; Davies, Christopher J.; Govere, Matifadza; Gregory, Andrew; Singh, Kuldip; Solan, Gregory A.; Organometallics 32 (2013) 249–; doi:10.1021/om301057d

data_4079919
_publ_section_title
;
 Phenolate Substituent Effects on Ring-Opening Polymerization of
 \e-Caprolactone by Aluminum Complexes Bearing
 2-(Phenyl-2-olate)-6-(1-amidoalkyl)pyridine Pincers
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              249
_journal_paper_doi               10.1021/om301057d
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C29 H36 Al N3 O'
_chemical_formula_sum            'C29 H36 Al N3 O'
_chemical_formula_weight         469.59
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.399(14)
_cell_length_b                   16.370(15)
_cell_length_c                   20.187(18)
_cell_measurement_reflns_used    1135
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.04
_cell_measurement_theta_min      2.41
_cell_volume                     5089(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Apex 2000 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  0.2247
_diffrn_reflns_av_sigmaI/netI    0.1835
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            28652
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  0.962
_exptl_absorpt_correction_T_min  0.688
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
absorption correction based on 288 reflections (SADABS); Rint 0.057 before correction 
and 0.044 after.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.226
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          .39
_exptl_crystal_size_mid          .12
_exptl_crystal_size_min          .11
_refine_diff_density_max         0.460
_refine_diff_density_min         -0.389
_refine_diff_density_rms         0.099
_refine_ls_extinction_coef       0.076(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.951
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         4470
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.951
_refine_ls_R_factor_all          0.1935
_refine_ls_R_factor_gt           0.0947
_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^)+(0.1062P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1935
_refine_ls_wR_factor_ref         0.2431
_reflns_number_gt                2023
_reflns_number_total             4470
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om301057d_si_002.cif
_cod_data_source_block           2154pbca
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4079919