Aluminum Complexes of Fluorinated β-Diketonate Ligands: Syntheses, Structures, Intramolecular Reduction, and Use in Ring-Opening Polymerization of Lactide
Bouyahyi, Miloud; Roisnel, Thierry; Carpentier, Jean-François; Organometallics 29 (2010) 491–500; doi:10.1021/om9009312

data_4063492
_publ_section_title
;
 Aluminum Complexes of Fluorinated \b-Diketonate Ligands: Syntheses,
 Structures, Intramolecular Reduction, and Use in Ring-Opening
 Polymerization of Lactide
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              491
_journal_page_last               500
_journal_paper_doi               10.1021/om9009312
_journal_volume                  29
_journal_year                    2010
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C20 H6 Al2 F24 O10, 2(C4 H8 O)'
_chemical_formula_sum            'C28 H22 Al2 F24 O12'
_chemical_formula_weight         1060.42
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2008-11-12T17:05:47-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 97.954(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.0798(7)
_cell_length_b                   12.2806(10)
_cell_length_c                   18.0264(16)
_cell_measurement_reflns_used    7805
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.67
_cell_measurement_wavelength     0.71073
_cell_volume                     1990.7(3)
_computing_cell_refinement       'Bruker SMART, 2006'
_computing_data_collection       'Bruker SMART, 2006'
_computing_data_reduction        'Bruker SAINT, 2006'
_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 et al., 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0318
_diffrn_reflns_av_unetI/netI     0.0251
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            17177
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.42
_exptl_absorpt_coefficient_mu    0.243
_exptl_absorpt_correction_T_max  0.946
_exptl_absorpt_correction_T_min  0.891
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.769
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.864
_refine_diff_density_min         -0.623
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     327
_refine_ls_number_reflns         4556
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.066
_refine_ls_R_factor_gt           0.0556
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0650P)^2^+3.0869P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1393
_refine_ls_wR_factor_ref         0.149
_reflns_number_gt                3850
_reflns_number_total             4556
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9009312_si_002.cif
_cod_data_source_block           Complex_7
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4063492