Synthesis and Structural Characterization of Group 4 Metal Complexes Bearing Pentavalent Phosphorus-Bridged Ligands [(C13H8)(iPr2N)P(−O)(C2B10H10)]2−and [(C13H9)(iPr2N)P(O)(C2B9H10)]2−
Wang, Hong; Shen, Hao; Chan, Hoi-Shan; Xie, Zuowei; Organometallics 27 (2008) 3964–; doi:10.1021/om800319w

data_4071694
_publ_section_title
;
 Synthesis and Structural Characterization of Group 4 Metal Complexes
 Bearing Pentavalent Phosphorus-Bridged Ligands
 [(C13H8)(iPr2N)P(&#x2212;O)(C2B10H10)]2&#x2212;and
 [(C13H9)(iPr2N)P(&#xE5FB;O)(C2B9H10)]2&#x2212;
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              3964
_journal_paper_doi               10.1021/om800319w
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C21 H34 B10 N O P'
_chemical_formula_weight         455.56
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 105.089(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.2900(10)
_cell_length_b                   10.9564(9)
_cell_length_c                   21.1161(18)
_cell_measurement_temperature    293(2)
_cell_volume                     2522.0(4)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.1099
_diffrn_reflns_av_sigmaI/netI    0.1140
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            12082
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9515
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.574
_refine_diff_density_min         -0.447
_refine_diff_density_rms         0.109
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.136
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         3946
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.136
_refine_ls_R_factor_all          0.1805
_refine_ls_R_factor_gt           0.1093
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0769P)^2^+21.5784P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2435
_refine_ls_wR_factor_ref         0.3021
_reflns_number_gt                2315
_reflns_number_total             3946
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800319w-file001.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4071694