Synthesis, Structure, and Reactivity of Zirconacyclopentene Incorporating a Carboranyl Unit
Shikuo Ren; Hoi-Shan Chan; Zuowei Xie; Journal of the American Chemical Society 131 (2009) 3862–3863; doi:10.1021/ja900563u

data_4104084
_publ_section_title
;
 Synthesis, Structure, and Reactivity of Zirconacyclopentene Incorporating
 a Carboranyl Unit
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3862
_journal_page_last               3863
_journal_paper_doi               10.1021/ja900563u
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C18 H30 B10 Zr'
_chemical_formula_weight         445.74
_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                 105.527(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   26.251(2)
_cell_length_b                   9.4449(8)
_cell_length_c                   18.2801(16)
_cell_measurement_reflns_used    1015
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.57
_cell_measurement_theta_min      3.11
_cell_volume                     4366.9(6)
_computing_cell_refinement       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_collection       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_reduction        'BRUKER SMART CCD DIFFRACTOMETER'
_computing_molecular_graphics    'SIEMENS SHELXTL'
_computing_publication_material  'SIEMENS 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 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'BRUKER SMART CCD DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA SCAN'
_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  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0305
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            14442
_diffrn_reflns_theta_full        28.02
_diffrn_reflns_theta_max         28.02
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.506
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.861196
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1824
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.486
_refine_diff_density_min         -0.341
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         5280
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0410
_refine_ls_R_factor_gt           0.0315
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0387P)^2^+3.3849P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0782
_refine_ls_wR_factor_ref         0.0844
_reflns_number_gt                4395
_reflns_number_total             5280
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja900563u_si_002_1.cif
_cod_data_source_block           1
_cod_database_code               4104084