Phosphido-bridged Ta/Rh bimetallic complex: synthesis, structure, and catalytic hydrosilylation of acetophenone.
Findlay, Andrea E.; Leelasubcharoen, Somying; Kuzmina, Lyudmila G.; Howard, Judith A. K.; Nikonov, Georgii I.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 9264–9269; doi:10.1039/c0dt00141d

data_7026027
_publ_section_title
;
 Phosphido-bridged Ta/Rh bimetallic complex: synthesis, structure, and
 catalytic hydrosilylation of acetophenone.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9264
_journal_page_last               9269
_journal_paper_doi               10.1039/c0dt00141d
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C20 H34 P2 Rh Ta'
_chemical_formula_sum            'C20 H34 P2 Rh Ta'
_chemical_formula_weight         620.27
_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                69.198(2)
_cell_angle_beta                 72.757(2)
_cell_angle_gamma                64.751(2)
_cell_formula_units_Z            2
_cell_length_a                   9.4251(6)
_cell_length_b                   9.8107(6)
_cell_length_c                   13.4457(8)
_cell_measurement_reflns_used    975
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      29.547
_cell_measurement_theta_min      2.380
_cell_volume                     1035.64(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'Bruker SMART 6K'
_diffrn_measurement_method       \w
_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  0.0139
_diffrn_reflns_av_sigmaI/netI    0.0241
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5618
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    6.230
_exptl_absorpt_correction_T_max  0.3410
_exptl_absorpt_correction_T_min  0.2258
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2004)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.989
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             604
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.170
_refine_diff_density_min         -1.097
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3937
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0211
_refine_ls_R_factor_gt           0.0202
_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^)+(0.0326P)^2^+0.7903P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0518
_refine_ls_wR_factor_ref         0.0523
_reflns_number_gt                3806
_reflns_number_total             3937
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c0dt00141d.txt
_cod_data_source_block           p-1
_cod_database_code               7026027