Diversity in Weakly Coordinating Anions. Mono- and Polynuclear Halo(perfluoroaryl)metalates as Cocatalysts for Stereospecific Olefin Polymerization: Synthesis, Structure, and Reactivity
Chen, Ming-Chou; Roberts, John A. S.; Seyam, Afif M.; Li, Liting; Zuccaccia, Cristiano; Stahl, Nicholas G.; Marks, Tobin J.; Organometallics 25 (2006) 2833–; doi:10.1021/om0508334

data_4074719
_publ_section_title
;
 Diversity in Weakly Coordinating Anions. Mono- and Polynuclear
 Halo(perfluoroaryl)metalates as Cocatalysts for Stereospecific Olefin
 Polymerization:&#x00A0; Synthesis, Structure, and Reactivity
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2833
_journal_paper_doi               10.1021/om0508334
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C37 H15 Al Br F15'
_chemical_formula_weight         851.38
_chemical_name_common
; 
?
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 97.512(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.510(9)
_cell_length_b                   7.896(5)
_cell_length_c                   33.79(2)
_cell_measurement_temperature    153(2)
_cell_volume                     3309(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.894
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1293
_diffrn_reflns_av_sigmaI/netI    0.1298
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            20514
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.99
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    1.382
_exptl_absorpt_correction_T_max  0.90708
_exptl_absorpt_correction_T_min  0.67736
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.709
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.488
_exptl_crystal_size_mid          0.104
_exptl_crystal_size_min          0.074
_refine_diff_density_max         0.848
_refine_diff_density_min         -0.591
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.932
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     487
_refine_ls_number_reflns         7855
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.932
_refine_ls_R_factor_all          0.1278
_refine_ls_R_factor_gt           0.0484
_refine_ls_shift/su_max          0.021
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0592P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0995
_refine_ls_wR_factor_ref         0.1402
_reflns_number_gt                4050
_reflns_number_total             7855
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0508334si20050927_045821.cif
_cod_data_source_block           14
_cod_depositor_comments
;
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_sg_symbol_H-M      P2(1)/c
_cod_database_code               4074719