Ring-opening polymerization of cyclic esters with lithium amine-bis(phenolate) complexes.
Dean, Rebecca K.; Reckling, Amy M.; Chen, Hua; Dawe, Louise N.; Schneider, Celine M.; Kozak, Christopher M.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 3504–3520; doi:10.1039/c2dt32682e

data_7022451
_publ_section_title
;
 Ring-opening polymerization of cyclic esters with lithium
 amine-bis(phenolate) complexes.
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3504
_journal_page_last               3520
_journal_paper_doi               10.1039/c2dt32682e
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C62 H94 Li4 N2 O6'
_chemical_formula_sum            'C62 H94 Li4 N2 O6'
_chemical_formula_weight         991.20
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 124.600(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.603(3)
_cell_length_b                   30.921(6)
_cell_length_c                   17.410(4)
_cell_measurement_reflns_used    23410
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      30.8163
_cell_measurement_theta_min      2.4341
_cell_volume                     6028(2)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_molecular_graphics    'CrystalStructure3.7.0(Rigaku/MSC Inc.,2005)'
_computing_publication_material  'CrystalStructure3.7.0(Rigaku/MSC Inc.,2005)'
_computing_structure_refinement  'SHELXL-97 (Acta Cryst., 2008, A64, 112-122)'
_computing_structure_solution    'SHELXS-97 (Acta Cryst., 2008, A64, 112-122)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 14.63
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'graphite - Rigaku SHINE'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0644
_diffrn_reflns_av_sigmaI/netI    0.0482
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            56933
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         2.51
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_T_max  0.9936
_exptl_absorpt_correction_T_min  0.9910
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   '(T. Higashi, 2000)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.092
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             2160
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.294
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.252
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     686
_refine_ls_number_reflns         12472
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.252
_refine_ls_R_factor_all          0.1006
_refine_ls_R_factor_gt           0.0931
_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^)+(0.0686P)^2^+3.1942P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2122
_refine_ls_wR_factor_ref         0.2174
_reflns_number_gt                11488
_reflns_number_total             12472
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32682e.txt
_cod_data_source_block           Cmpd4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Numerical' changed to
'numerical' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_database_code               7022451