Synthesis and characterisation of aluminium(iii) imine bis(phenolate) complexes with application for the polymerisation of rac-LA
Forder, Thomas R.; Jones, Matthew D.; New J. Chem. 39 (2015) 1974–; doi:10.1039/C4NJ02228A

data_7054611
_publ_section_title
;
 Synthesis and characterisation of aluminium(iii) imine bis(phenolate)
 complexes with application for the polymerisation of rac-LA
;
_journal_issue                   3
_journal_name_full               'New J. Chem.'
_journal_page_first              1974
_journal_paper_doi               10.1039/C4NJ02228A
_journal_volume                  39
_journal_year                    2015
_chemical_formula_sum            'C102 H95 Al4 Cl8 N4 O8'
_chemical_formula_weight         1896.34
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ab'
_symmetry_space_group_name_H-M   'P b n 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-12-03 deposited with the CCDC.
2015-01-06 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0601(2)
_cell_length_b                   22.5938(3)
_cell_length_c                   35.5013(6)
_cell_measurement_reflns_used    103792
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      3.51
_cell_volume                     9673.5(3)
_computing_cell_refinement       'HKL Scalepack (Otwinski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo & Scalepack (Otwinski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
;
 SIR97- Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C. ,
 Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
 (1999) J. Appl. Cryst. 32, 115-119.
;
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'nonius kappa ccd'
_diffrn_measurement_method       ccd
_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  0.0963
_diffrn_reflns_av_sigmaI/netI    0.0754
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            77915
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.54
_exptl_absorpt_coefficient_mu    0.327
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3948
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.732
_refine_diff_density_min         -0.352
_refine_diff_density_rms         0.069
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.25(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1014
_refine_ls_number_reflns         16713
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.1150
_refine_ls_R_factor_gt           0.0756
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0838P)^2^+14.2157P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1719
_refine_ls_wR_factor_ref         0.1950
_reflns_number_gt                11894
_reflns_number_total             16713
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4nj02228a2.cif
_cod_data_source_block           Al4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 7054610--7054616.cif.
;
_cod_original_sg_symbol_H-M      Pbn21
_cod_database_code               7054611