Comparing a series of 8-quinolinolato complexes of aluminium, titanium and zinc as initiators for the ring-opening polymerization of rac-lactide.
Bakewell, Clare; Fateh-Iravani, Giovanna; Beh, Daniel W.; Myers, Dominic; Tabthong, Sittichoke; Hormnirun, Pimpa; White, Andrew J. P.; Long, Nicholas; Williams, Charlotte K.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 12326–12337; doi:10.1039/c5dt00192g

data_7034296
_publ_section_title
;
 Comparing a series of 8-quinolinolato complexes of aluminium, titanium
 and zinc as initiators for the ring-opening polymerization of
 rac-lactide.
;
_journal_issue                   27
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12326
_journal_page_last               12337
_journal_paper_doi               10.1039/c5dt00192g
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C32 H25 Al N2 O2, 2(C7 H8)'
_chemical_formula_sum            'C46 H41 Al N2 O2'
_chemical_formula_weight         680.79
_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
_audit_update_record
;
2015-01-14 deposited with the CCDC.
2015-02-24 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 116.529(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.8123(7)
_cell_length_b                   21.5571(4)
_cell_length_c                   14.7290(4)
_cell_measurement_reflns_used    11620
_cell_measurement_temperature    173
_cell_measurement_theta_max      32.6657
_cell_measurement_theta_min      2.9629
_cell_volume                     7332.8(4)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd'
_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      173
_diffrn_detector_area_resol_mean 15.9825
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.915
_diffrn_measurement_device_type  'OD Xcalibur 3'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0242
_diffrn_reflns_av_sigmaI/netI    0.0293
_diffrn_reflns_limit_h_max       39
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            41849
_diffrn_reflns_theta_full        31.00
_diffrn_reflns_theta_max         32.74
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.962
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET) 
(compiled Jan 23 2012,18:06:46) 
Analytical numeric absorption correction using a multifaceted crystal 
model based on expressions derived by R.C. Clark & J.S. Reid. 
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) 
;
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.233
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             2880
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.684
_refine_diff_density_min         -0.372
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     487
_refine_ls_number_reflns         12412
_refine_ls_number_restraints     250
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0773
_refine_ls_R_factor_gt           0.0544
_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^)+(0.0872P)^2^+2.9474P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1544
_refine_ls_wR_factor_ref         0.1677
_reflns_number_gt                9301
_reflns_number_total             12412
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt00192g2.cif
_cod_data_source_block           Al-E
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 3105 2015-03-04 15:46:00Z robertas 

 Adding full bibliography for 7034296--7034298.cif.
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7034296