Synthesis of Alumina-Terminated Linear PE with a Hafnium Aminopyridinate Catalyst
Haas, Isabelle; Kretschmer, Winfried P.; Kempe, Rhett; Organometallics 30 (2011) 4854–; doi:10.1021/om200355q

data_4064825
_publ_section_title
;
 Synthesis of Alumina-Terminated Linear PE with a Hafnium Aminopyridinate
 Catalyst
;
_journal_issue                   18
_journal_name_full               Organometallics
_journal_page_first              4854
_journal_paper_doi               10.1021/om200355q
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C30 H44 Hf N2'
_chemical_formula_weight         611.16
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 103.735(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6800(3)
_cell_length_b                   22.7530(9)
_cell_length_c                   14.6140(5)
_cell_measurement_reflns_used    all
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      52.05
_cell_measurement_theta_min      2.87
_cell_volume                     2803.67(18)
_computing_cell_refinement       X-AREA-STOE
_computing_data_collection       X-AREA-STOE
_computing_data_reduction        X-AREA-STOE
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  STOE-IPDSII
_diffrn_measurement_method       Omega-Scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0295
_diffrn_reflns_av_sigmaI/netI    0.0830
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10359
_diffrn_reflns_theta_full        25.70
_diffrn_reflns_theta_max         25.70
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    3.740
_exptl_absorpt_correction_T_max  0.7500
_exptl_absorpt_correction_T_min  0.4669
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.448
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.993
_refine_diff_density_min         -0.669
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.776
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         5297
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.776
_refine_ls_R_factor_all          0.0561
_refine_ls_R_factor_gt           0.0267
_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^)+(0.0235P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0531
_refine_ls_wR_factor_ref         0.0563
_reflns_number_gt                3496
_reflns_number_total             5297
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200355q_si_003.cif
_cod_data_source_block           k979mma
_cod_depositor_comments
'Adding full bibliography for 4064824--4064826.cif.'
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4064825