Ligand Induced Steric Crowding in Rare Earth Metal-Mediated Group Transfer Polymerization of Vinylphosphonates: Does Enthalpy Matter?
Soller, Benedikt S.; Sun, Qian; Salzinger, Stephan; Jandl, Christian; Pöthig, Alexander; Rieger, Bernhard; Macromolecules 49 (2016) 1582–; doi:10.1021/acs.macromol.5b01937

data_1554157
_publ_section_title
;
 Ligand Induced Steric Crowding in Rare Earth Metal-Mediated Group
 Transfer Polymerization of Vinylphosphonates: Does Enthalpy Matter?
;
_journal_issue                   5
_journal_name_full               Macromolecules
_journal_page_first              1582
_journal_paper_doi               10.1021/acs.macromol.5b01937
_journal_volume                  49
_journal_year                    2016
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C27 H39 Y'
_chemical_formula_sum            'C27 H39 Y'
_chemical_formula_weight         452.49
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      148
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   15.5307(5)
_cell_length_b                   15.5307(5)
_cell_length_c                   16.5820(5)
_cell_measurement_reflns_used    9707
_cell_measurement_temperature    123
_cell_measurement_theta_max      25.3169
_cell_measurement_theta_min      2.6229
_cell_volume                     3463.77(19)
_computing_cell_refinement       'SAINT (Bruker, 2012)'
_computing_data_collection       'APEX II Control Software (Bruker, 2013)'
_computing_data_reduction        'SAINT (Bruker, 2012)'
_computing_molecular_graphics    'PLATON (Spek, 2011)'
_computing_publication_material  'PLATON (Spek, 2011), enCIFer (Allen, 2004)'
_computing_structure_refinement
'SHELXL2013 (Sheldrick, 2013), SHELXLE (Huebschle, 2011)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      123
_diffrn_detector                 ' CCD plate '
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Bruker APEX-II CCD '
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  'Montel mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'rotating anode FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0657
_diffrn_reflns_av_sigmaI/netI    0.0145
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            52479
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.38
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    2.535
_exptl_absorpt_correction_T_max  0.7297
_exptl_absorpt_correction_T_min  0.6173
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker, 2008b'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.310
_exptl_crystal_size_mid          0.277
_exptl_crystal_size_min          0.273
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.356
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.137
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     90
_refine_ls_number_reflns         1424
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.137
_refine_ls_R_factor_all          0.0223
_refine_ls_R_factor_gt           0.0217
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'W=1/[\S^2^(FO^2^)+(0.0369P)^2^+4.2713P] WHERE P=(FO^2^+2FC^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0628
_refine_ls_wR_factor_ref         0.0632
_reflns_number_gt                1386
_reflns_number_total             1424
_reflns_threshold_expression     i>2\s(i)
_cod_data_source_file            ma5b01937_si_002.cif
_cod_data_source_block           (C5Me4H)3Y
_cod_original_cell_volume        3463.8(3)
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               1554157