Pentavalent vs Trivalent Phosphorus-Bridged Ligands. Synthesis and Structural Characterization of Unexpected Group 4 Metal Complexes Incorporating an Indenylide Unit, [σ:σ-iPr2NP(O)(C9H6)(C2B10H10)]M(NR2)2
Wang, Hong; Chan, Hoi-Shan; Xie, Zuowei; Organometallics 25 (2006) 2569–; doi:10.1021/om060082l

data_4075167
_publ_section_title
;
 Pentavalent vs Trivalent Phosphorus-Bridged Ligands. Synthesis and
 Structural Characterization of Unexpected Group 4 Metal Complexes
 Incorporating an Indenylide Unit,
 [\s:\s-iPr2NP(O)(C9H6)(C2B10H10)]M(NR2)2
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              2569
_journal_paper_doi               10.1021/om060082l
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C17 H32 B10 N O P'
_chemical_formula_weight         405.51
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                84.344(2)
_cell_angle_beta                 85.426(2)
_cell_angle_gamma                76.998(2)
_cell_formula_units_Z            4
_cell_length_a                   10.6093(9)
_cell_length_b                   11.4181(9)
_cell_length_c                   20.0274(16)
_cell_measurement_temperature    293(2)
_cell_volume                     2348.2(3)
_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  0.0514
_diffrn_reflns_av_sigmaI/netI    0.1450
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11827
_diffrn_reflns_theta_full        24.00
_diffrn_reflns_theta_max         24.00
_diffrn_reflns_theta_min         1.02
_exptl_absorpt_coefficient_mu    0.127
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9511
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.147
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.863
_refine_diff_density_min         -0.486
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.955
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     560
_refine_ls_number_reflns         7340
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.1906
_refine_ls_R_factor_gt           0.0926
_refine_ls_shift/su_max          0.112
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1504P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2368
_refine_ls_wR_factor_ref         0.2866
_reflns_number_gt                3087
_reflns_number_total             7340
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060082lsi20060126_023303.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      P(-1)
_cod_database_code               4075167