Chiral Indium Alkoxide Complexes as Initiators for the Stereoselective Ring-Opening Polymerization of rac-Lactide
Jean-Charles Buffet; Jun Okuda; Polly L. Arnold; Inorganic Chemistry 49 (2010) 419–426; doi:10.1021/ic900740n

data_4314501
_publ_contact_author_address
;
School of Chemistry
Joseph Black Building, University of Edinburgh,
West Mains Road, Edinburgh, EH9 3JJ, UK.
;
_publ_contact_author_email       Polly.Arnold@ed.ac.uk
_publ_contact_author_fax         '+44 131 650 6453'
_publ_contact_author_name        'Polly L Arnold'
_publ_contact_author_phone       '+44 131 650 5429'
_publ_section_title
;
 Chiral Indium Alkoxide Complexes as Initiators for the Stereoselective
 Ring-Opening Polymerization of rac-Lactide
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              419
_journal_page_last               426
_journal_paper_doi               10.1021/ic900740n
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C46 H100 In O8 P3'
_chemical_formula_sum            'C46 H100 In O8 P3'
_chemical_formula_weight         988.99
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           78
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_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            4
_cell_length_a                   12.5537(18)
_cell_length_b                   12.5537(18)
_cell_length_c                   35.309(7)
_cell_measurement_reflns_used    7628
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      23.3
_cell_measurement_theta_min      2.3
_cell_volume                     5564.5(16)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'ORTEP (Farrugia, 1997)'
_computing_publication_material  'enCIFer (Allen et al., 2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-92 (Giacovazzo, 1994)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       '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  0.1550
_diffrn_reflns_av_sigmaI/netI    0.1843
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            27886
_diffrn_reflns_theta_full        25.32
_diffrn_reflns_theta_max         25.32
_diffrn_reflns_theta_min         2.29
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.554
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7659
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.181
_exptl_crystal_density_meas      1.18
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             2136
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.1000
_exptl_crystal_size_min          0.0300
_refine_diff_density_max         1.186
_refine_diff_density_min         -1.602
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.96(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     495
_refine_ls_number_reflns         9546
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1482
_refine_ls_R_factor_gt           0.0955
_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^)+(0.1761P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2389
_refine_ls_wR_factor_ref         0.3022
_reflns_number_gt                6239
_reflns_number_total             9546
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic900740n_si_001_3.cif
_cod_data_source_block           mer_InL3right
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        5564.6(16)
_cod_database_code               4314501