Structure Effects of Lewis Acids on the Living Cationic Polymerization ofp-Methoxystyrene: Distinct Difference in Polymerization Behavior from Vinyl Ethers
Kanazawa, Arihiro; Shibutani, Shota; Yoshinari, Nobuto; Konno, Takumi; Kanaoka, Shokyoku; Aoshima, Sadahito; Macromolecules 45 (2012) 7749–; doi:10.1021/ma301505j

data_1508549
_publ_section_title
;
 Structure Effects of Lewis Acids on the Living Cationic Polymerization
 ofp-Methoxystyrene: Distinct Difference in Polymerization Behavior from
 Vinyl Ethers
;
_journal_issue                   19
_journal_name_full               Macromolecules
_journal_page_first              7749
_journal_paper_doi               10.1021/ma301505j
_journal_volume                  45
_journal_year                    2012
_chemical_formula_moiety         'C16 H36 N, C4 H8 Cl5 O Sn'
_chemical_formula_sum            'C20 H44 Cl5 N O Sn'
_chemical_formula_weight         610.50
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                72.932(5)
_cell_angle_beta                 64.349(5)
_cell_angle_gamma                86.317(6)
_cell_formula_units_Z            2
_cell_length_a                   11.3265(6)
_cell_length_b                   11.7429(5)
_cell_length_c                   12.8716(6)
_cell_measurement_reflns_used    4008
_cell_measurement_temperature    280(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      3.25
_cell_volume                     1471.38(15)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'Yadokari-XG 2009'
_computing_publication_material  'Yadokari-XG 2009'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Giacovazzo et al, 1997)'
_diffrn_ambient_temperature      280(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Rigaku R-AXIS VII'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0363
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11852
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.25
_exptl_absorpt_coefficient_mu    1.333
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7801
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.378
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             628
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.783
_refine_diff_density_min         -0.462
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     267
_refine_ls_number_reflns         6651
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0633P)^2^+1.0877P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1301
_refine_ls_wR_factor_ref         0.1384
_reflns_number_gt                5318
_reflns_number_total             6651
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ma301505j_si_002.cif
_cod_data_source_block           (nBu4N)[SnCl5(THF)]
_cod_original_cell_volume        1471.38(12)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1508549