Imino-Amido Hf and Zr Complexes: Synthesis, Isomerization, and Olefin Polymerization
Froese, Robert D. J.; Jazdzewski, Brian A.; Klosin, Jerzy; Kuhlman, Roger L.; Theriault, Curt N.; Welsh, Dean M.; Abboud, Khalil A.; Organometallics 30 (2011) 251–262; doi:10.1021/om1008742

data_4063370
_publ_section_title
;
 Imino-Amido Hf and Zr Complexes: Synthesis, Isomerization, and Olefin
 Polymerization
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              251
_journal_page_last               262
_journal_paper_doi               10.1021/om1008742
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C40 H52 Hf N2'
_chemical_formula_weight         739.33
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2010-09-06 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 99.439(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.8229(6)
_cell_length_b                   11.8056(5)
_cell_length_c                   18.9863(8)
_cell_measurement_reflns_used    231
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     3498.6(2)
_computing_cell_refinement       'Bruker SMART & SAINT (Bruker 1998)'
_computing_data_collection       'Bruker SMART (Bruker 1998)'
_computing_data_reduction        'Bruker SHELXTL (Bruker 2000)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'SMART CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0971
_diffrn_reflns_av_sigmaI/netI    0.0625
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            22216
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.30
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.011
_exptl_absorpt_correction_T_max  0.7065
_exptl_absorpt_correction_T_min  0.6057
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'based on measured indexed crystal faces, SHELXTL (Bruker 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             1512
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.603
_refine_diff_density_min         -2.552
_refine_diff_density_rms         0.122
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         7877
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0404
_refine_ls_R_factor_gt           0.0341
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0469P)^2^+1.0602P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0900
_reflns_number_gt                6804
_reflns_number_total             7877
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om1008742_si_002.cif
_cod_data_source_block           10a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4063370