Synthesis, Structure, and Reactivity of Group 4 Metallacarboranes Bearing the Ligand [Me2C(C9H6)(C2B9H10)]3−
Liu, Dongmei; Wang, Yaorong; Chan, Hoi-Shan; Tang, Yong; Xie, Zuowei; Organometallics 27 (2008) 5295–; doi:10.1021/om800452f

data_4071893
_publ_section_title
;
 Synthesis, Structure, and Reactivity of Group 4 Metallacarboranes Bearing
 the Ligand [Me2C(C9H6)(C2B9H10)]3&#x2212;
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5295
_journal_paper_doi               10.1021/om800452f
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C29 H43 B9 N O Zr'
_chemical_formula_weight         610.15
_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                 93.31(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   27.994(6)
_cell_length_b                   14.806(3)
_cell_length_c                   17.521(4)
_cell_measurement_temperature    293(2)
_cell_volume                     7250(3)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_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 0.876
_diffrn_measured_fraction_theta_max 0.876
_diffrn_measurement_device_type  'multiwire proportional'
_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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0399
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9784
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.325
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8811
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.118
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2536
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.022
_refine_diff_density_min         -0.501
_refine_diff_density_rms         0.159
_refine_ls_extinction_coef       0.0120(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.209
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     372
_refine_ls_number_reflns         5595
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.209
_refine_ls_R_factor_all          0.0805
_refine_ls_R_factor_gt           0.0741
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1684P)^2^+1.9049P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2372
_refine_ls_wR_factor_ref         0.2444
_reflns_number_gt                5226
_reflns_number_total             5595
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800452f_si_001.cif
_cod_data_source_block           8
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4071893