Alkali aminoether-phenolate complexes: synthesis, structural characterization and evidence for an activated monomer ROP mechanism.
Roşca, Sorin-Claudiu; Roşca, Dragoş-Adrian; Dorcet, Vincent; Kozak, Christopher M.; Kerton, Francesca M.; Carpentier, Jean-François; Sarazin, Yann; Dalton transactions (Cambridge, England : 2003) 42 (2013) 9361–9375; doi:10.1039/c2dt32726k

data_7022474
_publ_section_title
;
 Alkali aminoether-phenolate complexes: synthesis, structural
 characterization and evidence for an activated monomer ROP mechanism.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9361
_journal_page_last               9375
_journal_paper_doi               10.1039/c2dt32726k
_journal_volume                  42
_journal_year                    2013
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C42 H72 Li2 N2 O6'
_chemical_formula_sum            'C42 H72 Li2 N2 O6'
_chemical_formula_weight         714.9
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_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_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             2012-03-05T17:34:13-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 99.763(19)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   26.792(9)
_cell_length_b                   8.593(3)
_cell_length_c                   19.310(8)
_cell_measurement_reflns_used    2946
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.14
_cell_measurement_theta_min      2.42
_cell_measurement_wavelength     0.71073
_cell_volume                     4381(3)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2006)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2006)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2006)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material
;
WinGX publication routines (Farrugia, 1999),
CRYSCAL (T. Roisnel, local program)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.0687
_diffrn_reflns_av_unetI/netI     0.0824
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            17316
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.835
_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    1.084
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.615
_refine_diff_density_min         -0.456
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.966
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         4946
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.966
_refine_ls_R_factor_all          0.1347
_refine_ls_R_factor_gt           0.0825
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1902P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.229
_refine_ls_wR_factor_ref         0.2802
_reflns_number_gt                2889
_reflns_number_total             4946
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32726k.txt
_cod_data_source_block           SR20
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7022474