Synthesis, Structure, and Olefin Polymerization Behavior of Constrained-Geometry Group 4 Metallacarboranes Incorporating Imido-Dicarbollyl Ligands
Gao, Mingli; Tang, Yong; Xie, Meihua; Qian, Changtao; Xie, Zuowei; Organometallics 25 (2006) 2578–; doi:10.1021/om060125y

data_4075210
_publ_section_title
;
 Synthesis, Structure, and Olefin Polymerization Behavior of
 Constrained-Geometry Group 4 Metallacarboranes Incorporating
 Imido-Dicarbollyl Ligands
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              2578
_journal_paper_doi               10.1021/om060125y
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C15 H29 B10 N'
_chemical_formula_weight         331.49
_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
_cell_angle_alpha                114.942(2)
_cell_angle_beta                 100.506(2)
_cell_angle_gamma                103.881(2)
_cell_formula_units_Z            2
_cell_length_a                   10.2351(14)
_cell_length_b                   10.9324(15)
_cell_length_c                   10.9999(15)
_cell_measurement_temperature    293(2)
_cell_volume                     1025.7(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0802
_diffrn_reflns_av_sigmaI/netI    0.0845
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            5204
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.16
_exptl_absorpt_coefficient_mu    0.054
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6890
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.073
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.982
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         3557
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.982
_refine_ls_R_factor_all          0.0958
_refine_ls_R_factor_gt           0.0665
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0922P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1713
_refine_ls_wR_factor_ref         0.1905
_reflns_number_gt                2232
_reflns_number_total             3557
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060125ysi20060208_021615.cif
_cod_data_source_block           3a
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4075210