Synthesis of 3,3,3-Trifluoropropyl Substituted Cyclopentadienes and Their Zirconocene Derivatives: Catalytic Applications in the Polymerization of Ethylene
Steffen, Andreas; Hagemeister, Timo; Braun, Thomas; Jutzi, Peter; Neumann, Beate; Stammler, Hans-Georg; Organometallics 26 (2007) 5289–; doi:10.1021/om700457c

data_4073557
_publ_section_title
;
 Synthesis of 3,3,3-Trifluoropropyl Substituted Cyclopentadienes and Their
 Zirconocene Derivatives:&#x00A0; Catalytic Applications in the
 Polymerization of Ethylene
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5289
_journal_paper_doi               10.1021/om700457c
_journal_volume                  26
_journal_year                    2007
_chemical_formula_moiety         'C16 H16 Cl2 F6 Zr'
_chemical_formula_sum            'C16 H16 Cl2 F6 Zr'
_chemical_formula_weight         484.41
_chemical_name_systematic        ?
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 114.193(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.5177(14)
_cell_length_b                   6.6645(7)
_cell_length_c                   14.6427(14)
_cell_measurement_reflns_used    128
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.465
_cell_measurement_theta_min      4.156
_cell_volume                     1826.4(3)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       KappaCCD
_computing_data_reduction
'EVALCCD (Duisenberg, 1998, Thesis. Utrecht University'
_computing_molecular_graphics    'SHELXTL-PLUS (1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_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  0.0245
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_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24163
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    0.948
_exptl_absorpt_correction_T_max  0.8631
_exptl_absorpt_correction_T_min  0.8404
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.761
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.373
_refine_diff_density_min         -0.337
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     114
_refine_ls_number_reflns         2662
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0205
_refine_ls_R_factor_gt           0.0177
_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^)+(0.0203P)^2^+1.1328P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0421
_refine_ls_wR_factor_ref         0.0433
_reflns_number_gt                2480
_reflns_number_total             2662
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700457c-file009.cif
_cod_data_source_block           compound6
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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        1826.6(3)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4073557