Sulfonamide, Phenolate, and Directing Ligand-Free Indium Initiators for the Ring-Opening Polymerization ofrac-Lactide
Blake, Matthew P.; Schwarz, Andrew D.; Mountford, Philip; Organometallics 30 (2011) 1202–; doi:10.1021/om101166s

data_4064162
_publ_section_title
;
 Sulfonamide, Phenolate, and Directing Ligand-Free Indium Initiators for
 the Ring-Opening Polymerization ofrac-Lactide
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1202
_journal_paper_doi               10.1021/om101166s
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C24 H64 In2 N2 O2 Si4'
_chemical_formula_sum            'C24 H64 In2 N2 O2 Si4'
_chemical_formula_weight         754.77
_chemical_name_systematic
;
[In(CH2SiMe3)2(OCH2CH2NMe2)]2
;
_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
_cell_angle_alpha                90
_cell_angle_beta                 98.5083(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8616(2)
_cell_length_b                   18.2855(4)
_cell_length_c                   21.5660(4)
_cell_measurement_reflns_used    4486
_cell_measurement_temperature    150
_cell_measurement_theta_max      27
_cell_measurement_theta_min      5
_cell_volume                     3846.07(14)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'Nonius KappaCCD'
_diffrn_measurement_device_type  Area
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.056
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            8562
_diffrn_reflns_theta_full        26.928
_diffrn_reflns_theta_max         27.478
_diffrn_reflns_theta_min         5.209
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.344
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.99
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.010
_exptl_crystal_size_mid          0.010
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.69
_refine_diff_density_min         -0.93
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0823
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2908
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0747
_refine_ls_R_factor_gt           0.0470
_refine_ls_shift/su_max          0.0020462
_refine_ls_shift/su_mean         0.0003309
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 0.377E-01 -0.436 -0.174 -0.196 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0356
_refine_ls_wR_factor_gt          0.0280
_refine_ls_wR_factor_ref         0.0261
_reflns_limit_h_max              12
_reflns_limit_h_min              -12
_reflns_limit_k_max              23
_reflns_limit_k_min              0
_reflns_limit_l_max              28
_reflns_limit_l_min              0
_reflns_number_gt                3166
_reflns_number_total             4381
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.01
_oxford_diffrn_Wilson_scale      505.45
_oxford_refine_ls_r_factor_ref   0.0398
_oxford_refine_ls_scale          0.05476(6)
_oxford_reflns_number_all        4381
_oxford_reflns_threshold_expression_ref I>3.0\s(I)
_cod_data_source_file            om101166s_si_001.cif
_cod_data_source_block           COMPOUND_18
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 1 2/c 1 '
_cod_database_code               4064162