Synthesis of Imino-Enamido Hafnium and Zirconium Complexes: A New Family of Olefin Polymerization Catalysts with Ultrahigh-Molecular-Weight Capabilities
Figueroa, Ruth; Froese, Robert D.; He, Yiyong; Klosin, Jerzy; Theriault, Curt N.; Abboud, Khalil A.; Organometallics 30 (2011) 1695–; doi:10.1021/om101207a

data_4064248
_publ_section_title
;
 Synthesis of Imino-Enamido Hafnium and Zirconium Complexes: A New Family
 of Olefin Polymerization Catalysts with Ultrahigh-Molecular-Weight
 Capabilities
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1695
_journal_paper_doi               10.1021/om101207a
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C51 H62 Hf N2'
_chemical_formula_weight         881.52
_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
_audit_update_record
; 
2007-06-25 # Formatted by publCIF 
;
_cell_angle_alpha                100.946(2)
_cell_angle_beta                 97.789(2)
_cell_angle_gamma                91.155(2)
_cell_formula_units_Z            4
_cell_length_a                   11.9380(12)
_cell_length_b                   18.1666(18)
_cell_length_c                   20.536(2)
_cell_measurement_reflns_used    231
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     4327.5(7)
_computing_cell_refinement
'Bruker SMART v5.624 & SAINT 6.36a (Bruker 1998)'
_computing_data_collection       'Bruker SMART v5.624 (Bruker 1998)'
_computing_data_reduction        'Bruker SHELXTL v6.14 (Bruker 2000)'
_computing_molecular_graphics    'Bruker SHELXTL v6.14'
_computing_publication_material  'Bruker SHELXTL v6.14'
_computing_structure_refinement  'Bruker SHELXTL v6.14'
_computing_structure_solution    'Bruker SHELXTL v6.14'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'SMART CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0465
_diffrn_reflns_av_sigmaI/netI    0.0533
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            29594
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.38
_diffrn_standards_decay_%        1
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.446
_exptl_absorpt_correction_T_max  0.9216
_exptl_absorpt_correction_T_min  0.6565
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'based on measured indexed crystal faces, Bruker SHELXTL  v6.12 (Bruker 1998)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.353
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             1816
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.097
_refine_diff_density_min         -1.209
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.927
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     973
_refine_ls_number_reflns         19405
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.927
_refine_ls_R_factor_all          0.0541
_refine_ls_R_factor_gt           0.0310
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0434P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0742
_refine_ls_wR_factor_ref         0.0826
_reflns_number_gt                13017
_reflns_number_total             19405
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om101207a_si_002.cif
_cod_data_source_block           15
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        4327.5(8)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4064248