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_1508550
_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, Al Cl4'
_chemical_formula_sum            'C16 H36 Al Cl4 N'
_chemical_formula_weight         411.24
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           52
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2a 2bc'
_symmetry_space_group_name_H-M   'P n n a'
_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                   18.2479(6)
_cell_length_b                   11.5043(4)
_cell_length_c                   11.3089(3)
_cell_measurement_reflns_used    3977
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      27.56
_cell_measurement_theta_min      3.35
_cell_volume                     2374.07(13)
_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    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0431
_diffrn_reflns_av_sigmaI/netI    0.0569
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9036
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.37
_exptl_absorpt_coefficient_mu    0.534
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6991
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.151
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.363
_refine_diff_density_min         -0.369
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     103
_refine_ls_number_reflns         2688
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0853
_refine_ls_R_factor_gt           0.0637
_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^)+(0.0676P)^2^+1.1932P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1496
_refine_ls_wR_factor_ref         0.1607
_reflns_number_gt                2076
_reflns_number_total             2688
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ma301505j_si_002.cif
_cod_data_source_block           (nBu4N)[AlCl4]
_cod_original_sg_symbol_H-M      Pnna
_cod_database_code               1508550