Synthesis, Structural Characterization, and Reactivity of Group 4 Metallacarboranes Containing the Ligand [Me2C(C5H4)(C2B9H10)]3−
Wang, Yaorong; Liu, Dongmei; Chan, Hoi-Shan; Xie, Zuowei; Organometallics 27 (2008) 2825–; doi:10.1021/om800235w

data_4071568
_publ_section_title
;
 Synthesis, Structural Characterization, and Reactivity of Group 4
 Metallacarboranes Containing the Ligand [Me2C(C5H4)(C2B9H10)]3&#x2212;
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              2825
_journal_paper_doi               10.1021/om800235w
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C22 H50 B9 Cl2 Na O6 Zr'
_chemical_formula_weight         693.02
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   30.143(3)
_cell_length_b                   12.9155(15)
_cell_length_c                   18.608(2)
_cell_measurement_temperature    293(2)
_cell_volume                     7244.3(14)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0838
_diffrn_reflns_av_sigmaI/netI    0.0827
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            34926
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.35
_exptl_absorpt_coefficient_mu    0.495
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5006
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2880
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.620
_refine_diff_density_min         -0.484
_refine_diff_density_rms         0.083
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.59(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     735
_refine_ls_number_reflns         9492
_refine_ls_number_restraints     286
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.1300
_refine_ls_R_factor_gt           0.0815
_refine_ls_shift/su_max          0.031
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0667P)^2^+21.4709P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1988
_refine_ls_wR_factor_ref         0.2179
_reflns_number_gt                5680
_reflns_number_total             9492
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800235w-file004.cif
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_cell_volume        7244.4(14)
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               4071568