Reaction of Zirconocene−Carboryne Precursor with Alkynes: An Efficient Route to Zirconacyclopentenes Incorporating a Carboranyl Unit
Ren, Shikuo; Chan, Hoi-Shan; Xie, Zuowei; Organometallics 28 (2009) 4106–; doi:10.1021/om9002973

data_4069594
_publ_section_title
;
 Reaction of Zirconocene&#x2212;Carboryne Precursor with Alkynes: An
 Efficient Route to Zirconacyclopentenes Incorporating a Carboranyl Unit
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              4106
_journal_paper_doi               10.1021/om9002973
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C22 H38 B10 Zr'
_chemical_formula_weight         501.84
_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                 100.936(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.956(3)
_cell_length_b                   8.3133(14)
_cell_length_c                   20.484(3)
_cell_measurement_reflns_used    1005
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      2.61
_cell_volume                     2667.8(8)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0349
_diffrn_reflns_av_sigmaI/netI    0.0385
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            17435
_diffrn_reflns_theta_full        28.01
_diffrn_reflns_theta_max         28.01
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.422
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8494
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.745
_refine_diff_density_min         -0.324
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         6413
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0534
_refine_ls_R_factor_gt           0.0390
_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^)+(0.0547P)^2^+0.7751P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1003
_refine_ls_wR_factor_ref         0.1104
_reflns_number_gt                5047
_reflns_number_total             6413
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9002973_si_001.cif
_cod_data_source_block           3c
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4069594