# Supplementary Material (ESI) for Dalton Transactions # This journal is (c) The Royal Society of Chemistry 2010 data_global _journal_name_full 'Dalton Trans.' _journal_coden_Cambridge 0222 _publ_contact_author_name 'Nikonov, Georgii' _publ_contact_author_email gnikonov@brocku.ca _publ_section_title ; Phosphido-Bridged Ta/Rh Bimetallic Complex: Synthesis, Structure, and Catalytic Hydrosilylation of Acetophenone ; loop_ _publ_author_name A.Findlay S.Leelasubcharoen L.Kuzmina G.Nikonov J.Howard # Attachment '- p-1.cif' data_p-1 _database_code_depnum_ccdc_archive 'CCDC 770198' #TrackingRef '- p-1.cif' _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety 'C20 H34 P2 Rh Ta' _chemical_formula_sum 'C20 H34 P2 Rh Ta' _chemical_formula_weight 620.27 loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' P P 0.1023 0.0942 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Rh Rh -1.1178 0.9187 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Ta Ta -0.7052 6.5227 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting triclinic _symmetry_space_group_name_H-M 'P -1' _symmetry_space_group_name_Hall '-P 1' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' _cell_length_a 9.4251(6) _cell_length_b 9.8107(6) _cell_length_c 13.4457(8) _cell_angle_alpha 69.198(2) _cell_angle_beta 72.757(2) _cell_angle_gamma 64.751(2) _cell_volume 1035.64(11) _cell_formula_units_Z 2 _cell_measurement_temperature 123(2) _cell_measurement_reflns_used 975 _cell_measurement_theta_min 2.380 _cell_measurement_theta_max 29.547 _exptl_crystal_description block _exptl_crystal_colour red _exptl_crystal_size_max 0.34 _exptl_crystal_size_mid 0.26 _exptl_crystal_size_min 0.22 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.989 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 604 _exptl_absorpt_coefficient_mu 6.230 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_correction_T_min 0.2258 _exptl_absorpt_correction_T_max 0.3410 _exptl_absorpt_process_details 'SADABS (Bruker, 2004)' _exptl_special_details ; ? ; _diffrn_ambient_temperature 123(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_monochromator graphite _diffrn_measurement_device_type 'Bruker SMART 6K' _diffrn_measurement_method \w _diffrn_detector_area_resol_mean ? _diffrn_reflns_number 5618 _diffrn_reflns_av_R_equivalents 0.0139 _diffrn_reflns_av_sigmaI/netI 0.0241 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_k_min -11 _diffrn_reflns_limit_k_max 12 _diffrn_reflns_limit_l_min -16 _diffrn_reflns_limit_l_max 16 _diffrn_reflns_theta_min 1.64 _diffrn_reflns_theta_max 26.00 _reflns_number_total 3937 _reflns_number_gt 3806 _reflns_threshold_expression I>2\s(I) _computing_data_collection ? _computing_cell_refinement ? _computing_data_reduction ? _computing_structure_solution 'SHELXS-97 (Sheldrick, 2008)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 2008)' _computing_molecular_graphics ? _computing_publication_material ? _refine_special_details ; Refinement of F^2^ against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The threshold expression of F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0326P)^2^+0.7903P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment constr _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 3937 _refine_ls_number_parameters 217 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0211 _refine_ls_R_factor_gt 0.0202 _refine_ls_wR_factor_ref 0.0523 _refine_ls_wR_factor_gt 0.0518 _refine_ls_goodness_of_fit_ref 1.042 _refine_ls_restrained_S_all 1.042 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group Ta1 Ta 0.209109(14) 0.786003(14) 0.262456(10) 0.00999(6) Uani 1 1 d . . . Rh2 Rh 0.48174(3) 0.50759(3) 0.25050(2) 0.01212(7) Uani 1 1 d . . . P1 P 0.50174(10) 0.71171(10) 0.27115(7) 0.01314(17) Uani 1 1 d . . . P2 P 0.25441(10) 0.54107(10) 0.21151(7) 0.01223(17) Uani 1 1 d . . . C1 C 0.0198(4) 0.9961(4) 0.1521(3) 0.0170(7) Uani 1 1 d . . . H1A H -0.0983 1.0239 0.1688 0.020 Uiso 1 1 calc R . . C2 C 0.1288(4) 0.8945(4) 0.0882(3) 0.0170(7) Uani 1 1 d . . . H2A H 0.1006 0.8396 0.0512 0.020 Uiso 1 1 calc R . . C3 C 0.2834(4) 0.8974(4) 0.0759(3) 0.0151(7) Uani 1 1 d . . . H3A H 0.3811 0.8475 0.0273 0.018 Uiso 1 1 calc R . . C4 C 0.2671(4) 1.0052(4) 0.1316(3) 0.0169(7) Uani 1 1 d . . . H4A H 0.3521 1.0419 0.1298 0.020 Uiso 1 1 calc R . . C5 C 0.1047(4) 1.0648(4) 0.1783(3) 0.0171(7) Uani 1 1 d . . . H5A H 0.0563 1.1490 0.2168 0.021 Uiso 1 1 calc R . . C6 C -0.0174(5) 0.8817(4) 0.3917(3) 0.0239(8) Uani 1 1 d . . . H6A H -0.1092 0.9824 0.3761 0.029 Uiso 1 1 calc R . . C7 C -0.0102(4) 0.7338(4) 0.3926(3) 0.0197(7) Uani 1 1 d . . . H7A H -0.0959 0.7124 0.3782 0.024 Uiso 1 1 calc R . . C8 C 0.1271(4) 0.6197(4) 0.4359(3) 0.0186(7) Uani 1 1 d . . . H8A H 0.1575 0.5039 0.4538 0.022 Uiso 1 1 calc R . . C9 C 0.2048(4) 0.6970(4) 0.4588(3) 0.0193(7) Uani 1 1 d . . . H9A H 0.3001 0.6456 0.4952 0.023 Uiso 1 1 calc R . . C10 C 0.1172(5) 0.8592(4) 0.4295(3) 0.0225(8) Uani 1 1 d . . . H10A H 0.1373 0.9416 0.4445 0.027 Uiso 1 1 calc R . . C11 C 0.5713(4) 0.7051(4) 0.3895(3) 0.0190(7) Uani 1 1 d . . . H11A H 0.5254 0.6398 0.4548 0.023 Uiso 1 1 calc R . . H11B H 0.6884 0.6517 0.3797 0.023 Uiso 1 1 calc R . . C12 C 0.5307(6) 0.8623(5) 0.4107(4) 0.0345(10) Uani 1 1 d . . . H12A H 0.5731 0.8445 0.4744 0.052 Uiso 1 1 calc R . . H12B H 0.4149 0.9155 0.4233 0.052 Uiso 1 1 calc R . . H12C H 0.5784 0.9275 0.3478 0.052 Uiso 1 1 calc R . . C13 C 0.6190(4) 0.8226(4) 0.1610(3) 0.0193(7) Uani 1 1 d . . . H13A H 0.5821 0.8503 0.0922 0.023 Uiso 1 1 calc R . . H13B H 0.5971 0.9212 0.1773 0.023 Uiso 1 1 calc R . . C14 C 0.7991(4) 0.7327(5) 0.1457(3) 0.0247(8) Uani 1 1 d . . . H14A H 0.8525 0.7975 0.0871 0.037 Uiso 1 1 calc R . . H14B H 0.8225 0.6361 0.1275 0.037 Uiso 1 1 calc R . . H14C H 0.8375 0.7070 0.2127 0.037 Uiso 1 1 calc R . . C15 C 0.2591(4) 0.5507(4) 0.0701(3) 0.0166(7) Uani 1 1 d . . . H15A H 0.1493 0.6039 0.0542 0.020 Uiso 1 1 calc R . . H15B H 0.3227 0.6144 0.0205 0.020 Uiso 1 1 calc R . . C16 C 0.3301(5) 0.3893(4) 0.0481(3) 0.0215(8) Uani 1 1 d . . . H16A H 0.3293 0.4016 -0.0274 0.032 Uiso 1 1 calc R . . H16B H 0.2664 0.3263 0.0957 0.032 Uiso 1 1 calc R . . H16C H 0.4398 0.3370 0.0618 0.032 Uiso 1 1 calc R . . C17 C 0.1208(4) 0.4262(4) 0.2829(3) 0.0174(7) Uani 1 1 d . . . H17A H 0.0417 0.4743 0.3397 0.021 Uiso 1 1 calc R . . H17B H 0.0619 0.4319 0.2307 0.021 Uiso 1 1 calc R . . C18 C 0.2109(5) 0.2545(4) 0.3346(3) 0.0234(8) Uani 1 1 d . . . H18A H 0.1353 0.2005 0.3708 0.035 Uiso 1 1 calc R . . H18B H 0.2678 0.2478 0.3875 0.035 Uiso 1 1 calc R . . H18C H 0.2875 0.2053 0.2785 0.035 Uiso 1 1 calc R . . C19 C 0.7172(4) 0.3430(4) 0.2610(3) 0.0228(8) Uani 1 1 d . . . H19A H 0.8010 0.3616 0.1988 0.027 Uiso 1 1 calc R . . H19B H 0.7513 0.3068 0.3319 0.027 Uiso 1 1 calc R . . C20 C 0.6229(4) 0.2708(4) 0.2498(3) 0.0232(8) Uani 1 1 d . . . H20A H 0.5979 0.1897 0.3135 0.028 Uiso 1 1 calc R . . H20B H 0.6476 0.2445 0.1805 0.028 Uiso 1 1 calc R . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Ta1 0.00993(8) 0.00849(8) 0.01037(9) -0.00255(5) -0.00088(5) -0.00276(5) Rh2 0.01108(13) 0.00955(13) 0.01453(14) -0.00377(10) -0.00195(10) -0.00232(10) P1 0.0125(4) 0.0117(4) 0.0152(4) -0.0030(3) -0.0034(3) -0.0041(3) P2 0.0125(4) 0.0109(4) 0.0133(4) -0.0038(3) -0.0005(3) -0.0048(3) C1 0.0156(16) 0.0137(16) 0.0162(18) 0.0006(13) -0.0044(14) -0.0029(13) C2 0.0226(18) 0.0127(16) 0.0143(18) 0.0016(13) -0.0084(14) -0.0059(14) C3 0.0153(16) 0.0123(16) 0.0121(17) -0.0004(13) -0.0013(13) -0.0029(13) C4 0.0179(17) 0.0095(16) 0.0188(18) 0.0017(13) -0.0052(14) -0.0040(13) C5 0.0193(17) 0.0080(15) 0.0171(18) -0.0003(13) -0.0059(14) 0.0007(13) C6 0.0222(19) 0.0193(19) 0.0174(19) -0.0040(15) 0.0031(15) -0.0009(15) C7 0.0149(17) 0.029(2) 0.0134(18) -0.0049(14) 0.0036(14) -0.0106(15) C8 0.0236(18) 0.0161(17) 0.0105(17) -0.0036(13) 0.0060(14) -0.0079(14) C9 0.0185(17) 0.0269(19) 0.0091(17) -0.0040(14) 0.0023(14) -0.0086(15) C10 0.033(2) 0.0228(19) 0.0166(18) -0.0128(15) 0.0083(15) -0.0164(16) C11 0.0212(18) 0.0191(18) 0.0183(18) -0.0017(14) -0.0073(15) -0.0090(14) C12 0.046(3) 0.026(2) 0.040(3) -0.0155(19) -0.023(2) -0.0057(19) C13 0.0177(17) 0.0172(17) 0.0228(19) -0.0027(14) -0.0055(15) -0.0070(14) C14 0.0173(18) 0.029(2) 0.025(2) -0.0016(16) -0.0046(16) -0.0097(16) C15 0.0194(17) 0.0207(18) 0.0124(17) -0.0063(13) 0.0004(14) -0.0102(14) C16 0.0266(19) 0.0202(19) 0.0202(19) -0.0104(15) -0.0003(15) -0.0091(15) C17 0.0192(17) 0.0168(17) 0.0173(18) -0.0047(14) -0.0014(14) -0.0085(14) C18 0.028(2) 0.0224(19) 0.021(2) -0.0026(15) -0.0024(16) -0.0138(16) C19 0.0197(18) 0.0164(18) 0.027(2) -0.0085(15) -0.0101(16) 0.0041(14) C20 0.0217(19) 0.0134(17) 0.029(2) -0.0082(15) -0.0035(16) 0.0005(14) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Ta1 C3 2.375(3) . ? Ta1 C6 2.389(4) . ? Ta1 C7 2.392(3) . ? Ta1 C4 2.400(3) . ? Ta1 C10 2.403(4) . ? Ta1 C2 2.405(3) . ? Ta1 C1 2.428(3) . ? Ta1 C5 2.428(3) . ? Ta1 C8 2.450(3) . ? Ta1 C9 2.462(3) . ? Ta1 P2 2.5585(8) . ? Ta1 P1 2.5627(9) . ? Rh2 C19 2.126(4) . ? Rh2 C20 2.130(4) . ? Rh2 P1 2.2070(9) . ? Rh2 P2 2.2174(9) . ? P1 C11 1.864(4) . ? P1 C13 1.874(4) . ? P2 C15 1.858(3) . ? P2 C17 1.872(3) . ? C1 C2 1.414(5) . ? C1 C5 1.419(5) . ? C1 H1A 1.0000 . ? C2 C3 1.428(5) . ? C2 H2A 1.0000 . ? C3 C4 1.435(5) . ? C3 H3A 1.0000 . ? C4 C5 1.416(5) . ? C4 H4A 1.0000 . ? C5 H5A 1.0000 . ? C6 C10 1.407(6) . ? C6 C7 1.419(5) . ? C6 H6A 1.0000 . ? C7 C8 1.419(5) . ? C7 H7A 1.0000 . ? C8 C9 1.407(5) . ? C8 H8A 1.0000 . ? C9 C10 1.413(5) . ? C9 H9A 1.0000 . ? C10 H10A 1.0000 . ? C11 C12 1.533(5) . ? C11 H11A 0.9900 . ? C11 H11B 0.9900 . ? C12 H12A 0.9800 . ? C12 H12B 0.9800 . ? C12 H12C 0.9800 . ? C13 C14 1.531(5) . ? C13 H13A 0.9900 . ? C13 H13B 0.9900 . ? C14 H14A 0.9800 . ? C14 H14B 0.9800 . ? C14 H14C 0.9800 . ? C15 C16 1.534(5) . ? C15 H15A 0.9900 . ? C15 H15B 0.9900 . ? C16 H16A 0.9800 . ? C16 H16B 0.9800 . ? C16 H16C 0.9800 . ? C17 C18 1.529(5) . ? C17 H17A 0.9900 . ? C17 H17B 0.9900 . ? C18 H18A 0.9800 . ? C18 H18B 0.9800 . ? C18 H18C 0.9800 . ? C19 C20 1.417(5) . ? C19 H19A 0.9900 . ? C19 H19B 0.9900 . ? C20 H20A 0.9900 . ? C20 H20B 0.9900 . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C3 Ta1 C6 131.46(12) . . ? C3 Ta1 C7 142.03(12) . . ? C6 Ta1 C7 34.54(13) . . ? C3 Ta1 C4 34.98(12) . . ? C6 Ta1 C4 108.38(13) . . ? C7 Ta1 C4 138.61(12) . . ? C3 Ta1 C10 138.94(12) . . ? C6 Ta1 C10 34.15(14) . . ? C7 Ta1 C10 57.09(13) . . ? C4 Ta1 C10 104.30(12) . . ? C3 Ta1 C2 34.76(12) . . ? C6 Ta1 C2 107.84(13) . . ? C7 Ta1 C2 107.43(12) . . ? C4 Ta1 C2 57.40(12) . . ? C10 Ta1 C2 135.43(13) . . ? C3 Ta1 C1 57.29(12) . . ? C6 Ta1 C1 76.33(13) . . ? C7 Ta1 C1 88.60(12) . . ? C4 Ta1 C1 56.91(11) . . ? C10 Ta1 C1 101.43(13) . . ? C2 Ta1 C1 34.01(12) . . ? C3 Ta1 C5 57.27(12) . . ? C6 Ta1 C5 76.68(12) . . ? C7 Ta1 C5 104.52(12) . . ? C4 Ta1 C5 34.09(12) . . ? C10 Ta1 C5 85.17(13) . . ? C2 Ta1 C5 56.65(12) . . ? C1 Ta1 C5 33.99(12) . . ? C3 Ta1 C8 164.38(12) . . ? C6 Ta1 C8 56.34(12) . . ? C7 Ta1 C8 34.06(12) . . ? C4 Ta1 C8 160.41(12) . . ? C10 Ta1 C8 56.11(12) . . ? C2 Ta1 C8 135.27(12) . . ? C1 Ta1 C8 122.65(12) . . ? C5 Ta1 C8 133.01(12) . . ? C3 Ta1 C9 160.25(12) . . ? C6 Ta1 C9 56.07(12) . . ? C7 Ta1 C9 56.28(12) . . ? C4 Ta1 C9 129.68(12) . . ? C10 Ta1 C9 33.73(13) . . ? C2 Ta1 C9 162.84(12) . . ? C1 Ta1 C9 132.02(12) . . ? C5 Ta1 C9 118.55(12) . . ? C8 Ta1 C9 33.28(12) . . ? C3 Ta1 P2 87.28(9) . . ? C6 Ta1 P2 119.99(10) . . ? C7 Ta1 P2 85.80(9) . . ? C4 Ta1 P2 121.98(9) . . ? C10 Ta1 P2 133.70(9) . . ? C2 Ta1 P2 77.89(8) . . ? C1 Ta1 P2 104.50(9) . . ? C5 Ta1 P2 134.49(9) . . ? C8 Ta1 P2 77.59(9) . . ? C9 Ta1 P2 104.18(9) . . ? C3 Ta1 P1 84.55(8) . . ? C6 Ta1 P1 126.77(10) . . ? C7 Ta1 P1 133.23(9) . . ? C4 Ta1 P1 78.57(8) . . ? C10 Ta1 P1 92.62(10) . . ? C2 Ta1 P1 118.48(9) . . ? C1 Ta1 P1 135.30(9) . . ? C5 Ta1 P1 107.47(8) . . ? C8 Ta1 P1 100.47(9) . . ? C9 Ta1 P1 78.53(9) . . ? P2 Ta1 P1 95.06(3) . . ? C19 Rh2 C20 38.89(15) . . ? C19 Rh2 P1 100.80(11) . . ? C20 Rh2 P1 139.63(11) . . ? C19 Rh2 P2 141.52(11) . . ? C20 Rh2 P2 103.06(11) . . ? P1 Rh2 P2 117.26(3) . . ? C19 Rh2 Ta1 159.53(10) . . ? C20 Rh2 Ta1 160.52(10) . . ? P1 Rh2 Ta1 59.13(2) . . ? P2 Rh2 Ta1 58.94(2) . . ? C11 P1 C13 99.02(16) . . ? C11 P1 Rh2 123.29(12) . . ? C13 P1 Rh2 120.01(12) . . ? C11 P1 Ta1 123.98(12) . . ? C13 P1 Ta1 118.28(11) . . ? Rh2 P1 Ta1 73.20(2) . . ? C15 P2 C17 98.99(16) . . ? C15 P2 Rh2 116.12(11) . . ? C17 P2 Rh2 128.55(12) . . ? C15 P2 Ta1 120.55(11) . . ? C17 P2 Ta1 120.50(12) . . ? Rh2 P2 Ta1 73.12(2) . . ? C2 C1 C5 108.1(3) . . ? C2 C1 Ta1 72.13(19) . . ? C5 C1 Ta1 73.04(19) . . ? C2 C1 H1A 125.8 . . ? C5 C1 H1A 125.8 . . ? Ta1 C1 H1A 125.8 . . ? C1 C2 C3 108.3(3) . . ? C1 C2 Ta1 73.86(19) . . ? C3 C2 Ta1 71.47(19) . . ? C1 C2 H2A 125.7 . . ? C3 C2 H2A 125.7 . . ? Ta1 C2 H2A 125.7 . . ? C2 C3 C4 107.4(3) . . ? C2 C3 Ta1 73.77(19) . . ? C4 C3 Ta1 73.47(19) . . ? C2 C3 H3A 125.9 . . ? C4 C3 H3A 125.9 . . ? Ta1 C3 H3A 125.9 . . ? C5 C4 C3 107.7(3) . . ? C5 C4 Ta1 74.04(19) . . ? C3 C4 Ta1 71.56(19) . . ? C5 C4 H4A 125.9 . . ? C3 C4 H4A 125.9 . . ? Ta1 C4 H4A 125.9 . . ? C4 C5 C1 108.5(3) . . ? C4 C5 Ta1 71.87(18) . . ? C1 C5 Ta1 72.97(19) . . ? C4 C5 H5A 125.6 . . ? C1 C5 H5A 125.6 . . ? Ta1 C5 H5A 125.6 . . ? C10 C6 C7 108.3(3) . . ? C10 C6 Ta1 73.4(2) . . ? C7 C6 Ta1 72.8(2) . . ? C10 C6 H6A 125.6 . . ? C7 C6 H6A 125.6 . . ? Ta1 C6 H6A 125.6 . . ? C8 C7 C6 107.2(3) . . ? C8 C7 Ta1 75.2(2) . . ? C6 C7 Ta1 72.6(2) . . ? C8 C7 H7A 126.0 . . ? C6 C7 H7A 126.0 . . ? Ta1 C7 H7A 126.0 . . ? C9 C8 C7 108.3(3) . . ? C9 C8 Ta1 73.8(2) . . ? C7 C8 Ta1 70.72(19) . . ? C9 C8 H8A 125.7 . . ? C7 C8 H8A 125.7 . . ? Ta1 C8 H8A 125.7 . . ? C8 C9 C10 108.1(3) . . ? C8 C9 Ta1 72.9(2) . . ? C10 C9 Ta1 70.8(2) . . ? C8 C9 H9A 125.9 . . ? C10 C9 H9A 125.9 . . ? Ta1 C9 H9A 125.9 . . ? C6 C10 C9 108.0(3) . . ? C6 C10 Ta1 72.4(2) . . ? C9 C10 Ta1 75.5(2) . . ? C6 C10 H10A 125.6 . . ? C9 C10 H10A 125.6 . . ? Ta1 C10 H10A 125.6 . . ? C12 C11 P1 116.7(3) . . ? C12 C11 H11A 108.1 . . ? P1 C11 H11A 108.1 . . ? C12 C11 H11B 108.1 . . ? P1 C11 H11B 108.1 . . ? H11A C11 H11B 107.3 . . ? C11 C12 H12A 109.5 . . ? C11 C12 H12B 109.5 . . ? H12A C12 H12B 109.5 . . ? C11 C12 H12C 109.5 . . ? H12A C12 H12C 109.5 . . ? H12B C12 H12C 109.5 . . ? C14 C13 P1 114.0(3) . . ? C14 C13 H13A 108.8 . . ? P1 C13 H13A 108.8 . . ? C14 C13 H13B 108.8 . . ? P1 C13 H13B 108.8 . . ? H13A C13 H13B 107.7 . . ? C13 C14 H14A 109.5 . . ? C13 C14 H14B 109.5 . . ? H14A C14 H14B 109.5 . . ? C13 C14 H14C 109.5 . . ? H14A C14 H14C 109.5 . . ? H14B C14 H14C 109.5 . . ? C16 C15 P2 113.1(2) . . ? C16 C15 H15A 109.0 . . ? P2 C15 H15A 109.0 . . ? C16 C15 H15B 109.0 . . ? P2 C15 H15B 109.0 . . ? H15A C15 H15B 107.8 . . ? C15 C16 H16A 109.5 . . ? C15 C16 H16B 109.5 . . ? H16A C16 H16B 109.5 . . ? C15 C16 H16C 109.5 . . ? H16A C16 H16C 109.5 . . ? H16B C16 H16C 109.5 . . ? C18 C17 P2 113.1(2) . . ? C18 C17 H17A 109.0 . . ? P2 C17 H17A 109.0 . . ? C18 C17 H17B 109.0 . . ? P2 C17 H17B 109.0 . . ? H17A C17 H17B 107.8 . . ? C17 C18 H18A 109.5 . . ? C17 C18 H18B 109.5 . . ? H18A C18 H18B 109.5 . . ? C17 C18 H18C 109.5 . . ? H18A C18 H18C 109.5 . . ? H18B C18 H18C 109.5 . . ? C20 C19 Rh2 70.7(2) . . ? C20 C19 H19A 116.5 . . ? Rh2 C19 H19A 116.5 . . ? C20 C19 H19B 116.5 . . ? Rh2 C19 H19B 116.5 . . ? H19A C19 H19B 113.5 . . ? C19 C20 Rh2 70.4(2) . . ? C19 C20 H20A 116.6 . . ? Rh2 C20 H20A 116.6 . . ? C19 C20 H20B 116.6 . . ? Rh2 C20 H20B 116.6 . . ? H20A C20 H20B 113.6 . . ? _diffrn_measured_fraction_theta_max 0.966 _diffrn_reflns_theta_full 26.00 _diffrn_measured_fraction_theta_full 0.966 _refine_diff_density_max 1.170 _refine_diff_density_min -1.097 _refine_diff_density_rms 0.115