# Supplementary Material (ESI) for Perkin Transactions # This journal is © The Royal Society of Chemistry 2000 # CCDC Number: 207/492 data_RP1 _audit_creation_method SHELXL _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_formula_moiety ? _chemical_formula_structural ? _chemical_formula_analytical ? _chemical_formula_sum 'C30 H29 N P2' _chemical_formula_weight 465.48 _chemical_melting_point ? _chemical_compound_source ? 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' 'N' 'N' 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M P2(1)/n loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x-1/2, -y-1/2, z-1/2' _cell_length_a 9.555(1) _cell_length_b 10.182(1) _cell_length_c 25.711(2) _cell_angle_alpha 90.00 _cell_angle_beta 98.75(1) _cell_angle_gamma 90.00 _cell_volume 2472.3(4) _cell_formula_units_Z 4 _cell_measurement_temperature 150(2) _cell_measurement_reflns_used 407 _cell_measurement_theta_min 10 _cell_measurement_theta_max 30 _exptl_crystal_description plate _exptl_crystal_colour yellow _exptl_crystal_size_max 0.3 _exptl_crystal_size_mid 0.2 _exptl_crystal_size_min 0.06 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.251 _exptl_crystal_density_method ? _exptl_crystal_F_000 984 _exptl_absorpt_coefficient_mu 0.195 _exptl_absorpt_correction_type none _exptl_absorpt_correction_T_min ? _exptl_absorpt_correction_T_max ? _exptl_special_details ; Hemispere scan in frames of 0.3 deg.\w, 20 s/frame rate. ; _diffrn_ambient_temperature 150(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 'Siemens CCD area detector' _diffrn_measurement_method '\w scans' _diffrn_standards_number ? _diffrn_standards_interval_count ? _diffrn_standards_interval_time ? _diffrn_standards_decay_% ? _diffrn_reflns_number 14385 _diffrn_reflns_av_R_equivalents 0.0917 _diffrn_reflns_av_sigmaI/netI 0.0733 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_k_min -12 _diffrn_reflns_limit_k_max 10 _diffrn_reflns_limit_l_min -30 _diffrn_reflns_limit_l_max 30 _diffrn_reflns_theta_min 1.60 _diffrn_reflns_theta_max 25.00 _reflns_number_total 4358 _reflns_number_observed 3030 _reflns_observed_criterion >2sigma(I) _computing_data_collection 'Siemens SMART' _computing_cell_refinement 'Siemens SMART' _computing_data_reduction 'Siemens SAINT' _computing_structure_solution 'SHELXS-86 (Sheldrick, 1990)' _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_molecular_graphics 'SHELXTL' _computing_publication_material 'SHELXTL' _refine_special_details ; Refinement on F^2^ for ALL reflections except for 106 with very negative F^2^. Weighted R-factors wR and all goodnesses 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 observed criterion of F^2^ > 2sigma(F^2^) is used only for calculating _R_factor_obs 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. Phenyl H atoms riding, others - refall. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme 'calc w=1/[\s^2^(Fo^2^)+4.8239P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens difmap _refine_ls_hydrogen_treatment 'refall, riding' _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 4252 _refine_ls_number_parameters 334 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.1068 _refine_ls_R_factor_obs 0.0622 _refine_ls_wR_factor_all 0.1336 _refine_ls_wR_factor_obs 0.1055 _refine_ls_goodness_of_fit_all 1.138 _refine_ls_goodness_of_fit_obs 1.192 _refine_ls_restrained_S_all 1.240 _refine_ls_restrained_S_obs 1.192 _refine_ls_shift/esd_max 0.000 _refine_ls_shift/esd_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_thermal_displace_type _atom_site_occupancy _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_group P1 P 0.84834(9) 0.03514(10) 0.15074(3) 0.0206(2) Uani 1 d . . P2 P 0.71456(10) -0.05356(10) 0.04919(4) 0.0233(2) Uani 1 d . . N N 0.8461(3) -0.0555(3) 0.10114(11) 0.0254(7) Uani 1 d . . C1 C 0.9402(3) -0.0512(4) 0.20786(13) 0.0213(8) Uani 1 d . . C2 C 1.0567(5) -0.1431(4) 0.1957(2) 0.0341(10) Uani 1 d . . H2A H 1.0811(35) -0.1448(33) 0.1620(14) 0.021(9) Uiso 1 d . . H2B H 1.1431(40) -0.1487(36) 0.2250(15) 0.033(11) Uiso 1 d . . C3 C 0.9199(5) -0.1990(4) 0.2070(2) 0.0312(9) Uani 1 d . . H3A H 0.8608(35) -0.2321(33) 0.1790(14) 0.018(9) Uiso 1 d . . H3B H 0.9153(44) -0.2410(42) 0.2428(17) 0.054(13) Uiso 1 d . . C4 C 0.8023(4) 0.0134(4) -0.00339(14) 0.0258(9) Uani 1 d . . H4 H 0.8869(39) -0.0346(38) -0.0093(14) 0.034(10) Uiso 1 d . . C5 C 0.7134(5) 0.0692(5) -0.0519(2) 0.0388(11) Uani 1 d . . H5A H 0.7511(40) 0.0567(38) -0.0851(15) 0.038(11) Uiso 1 d . . H5B H 0.6107(44) 0.0665(39) -0.0540(15) 0.042(12) Uiso 1 d . . C6 C 0.7963(5) 0.1588(4) -0.0131(2) 0.0362(10) Uani 1 d . . H6A H 0.8851(46) 0.2032(43) -0.0228(16) 0.053(13) Uiso 1 d . . H6B H 0.7467(36) 0.2076(34) 0.0091(13) 0.018(9) Uiso 1 d . . C11 C 0.9460(4) 0.1866(4) 0.14601(13) 0.0228(8) Uani 1 d . . C12 C 1.0209(4) 0.1965(4) 0.10394(14) 0.0274(9) Uani 1 d . . H12 H 1.0179(4) 0.1261(4) 0.07954(14) 0.033 Uiso 1 d R . C13 C 1.0983(4) 0.3079(4) 0.09677(15) 0.0342(10) Uani 1 d . . H13 H 1.1503(4) 0.3125(4) 0.06814(15) 0.041 Uiso 1 d R . C14 C 1.1003(4) 0.4113(4) 0.1314(2) 0.0374(10) Uani 1 d . . H14 H 1.1520(4) 0.4885(4) 0.1258(2) 0.045 Uiso 1 d R . C15 C 1.0262(4) 0.4039(4) 0.17395(15) 0.0347(10) Uani 1 d . . H15 H 1.0290(4) 0.4752(4) 0.19792(15) 0.042 Uiso 1 d R . C16 C 0.9496(4) 0.2918(4) 0.18165(14) 0.0282(9) Uani 1 d . . H16 H 0.8994(4) 0.2863(4) 0.21075(14) 0.034 Uiso 1 d R . C21 C 0.6734(3) 0.0804(3) 0.16473(13) 0.0202(8) Uani 1 d . . C22 C 0.6124(4) 0.2020(4) 0.14967(13) 0.0245(8) Uani 1 d . . H22 H 0.6673(4) 0.2676(4) 0.13592(13) 0.029 Uiso 1 d R . C23 C 0.4709(4) 0.2272(4) 0.15450(14) 0.0265(9) Uani 1 d . . H23 H 0.4303(4) 0.3103(4) 0.14441(14) 0.032 Uiso 1 d R . C24 C 0.3900(4) 0.1307(4) 0.17400(14) 0.0292(9) Uani 1 d . . H24 H 0.2945(4) 0.1482(4) 0.17795(14) 0.035 Uiso 1 d R . C25 C 0.4498(4) 0.0090(4) 0.18798(14) 0.0294(9) Uani 1 d . . H25 H 0.3940(4) -0.0576(4) 0.20069(14) 0.035 Uiso 1 d R . C26 C 0.5899(4) -0.0165(4) 0.18306(14) 0.0271(9) Uani 1 d . . H26 H 0.6293(4) -0.1004(4) 0.19249(14) 0.033 Uiso 1 d R . C31 C 0.9615(4) 0.0193(3) 0.26014(13) 0.0225(8) Uani 1 d . . C32 C 0.8568(4) 0.0186(4) 0.29242(13) 0.0252(8) Uani 1 d . . H32 H 0.7700(4) -0.0258(4) 0.28113(13) 0.030 Uiso 1 d R . C33 C 0.8772(4) 0.0809(4) 0.34097(15) 0.0352(10) Uani 1 d . . H33 H 0.8043(4) 0.0787(4) 0.36227(15) 0.042 Uiso 1 d R . C34 C 1.0027(5) 0.1471(4) 0.3578(2) 0.0376(11) Uani 1 d . . H34 H 1.0165(5) 0.1909(4) 0.3908(2) 0.045 Uiso 1 calc R . C35 C 1.1077(5) 0.1492(4) 0.3262(2) 0.0374(10) Uani 1 d . . H35 H 1.1942(5) 0.1937(4) 0.3377(2) 0.045 Uiso 1 calc R . C36 C 1.0871(4) 0.0864(4) 0.27784(15) 0.0305(9) Uani 1 d . . H36 H 1.1599(4) 0.0876(4) 0.25649(15) 0.037 Uiso 1 d R . C41 C 0.7136(4) -0.2257(4) 0.02750(13) 0.0244(8) Uani 1 d . . C42 C 0.8149(4) -0.3191(4) 0.04780(14) 0.0286(9) Uani 1 d . . H42 H 0.8891(4) -0.2943(4) 0.07495(14) 0.034 Uiso 1 d R . C43 C 0.8080(4) -0.4470(4) 0.02873(15) 0.0358(10) Uani 1 d . . H43 H 0.8777(4) -0.5094(4) 0.04263(15) 0.043 Uiso 1 d R . C44 C 0.6994(4) -0.4833(4) -0.0106(2) 0.0359(10) Uani 1 d . . H44 H 0.6945(4) -0.5710(4) -0.0233(2) 0.043 Uiso 1 d R . C45 C 0.5981(4) -0.3928(4) -0.03119(15) 0.0304(9) Uani 1 d . . H45 H 0.5245(4) -0.4178(4) -0.05850(15) 0.036 Uiso 1 d R . C46 C 0.6048(4) -0.2657(4) -0.01210(14) 0.0276(9) Uani 1 d . . H46 H 0.5341(4) -0.2041(4) -0.02589(14) 0.033 Uiso 1 d 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 P1 0.0193(5) 0.0255(5) 0.0170(5) -0.0009(4) 0.0026(4) 0.0007(4) P2 0.0200(5) 0.0291(6) 0.0202(5) -0.0032(4) 0.0011(4) 0.0021(4) N 0.023(2) 0.033(2) 0.020(2) -0.0045(14) 0.0025(12) 0.0016(14) C1 0.020(2) 0.026(2) 0.017(2) -0.001(2) 0.0030(14) 0.002(2) C2 0.032(2) 0.043(3) 0.028(2) -0.002(2) 0.007(2) 0.014(2) C3 0.042(3) 0.026(2) 0.023(2) -0.005(2) -0.004(2) 0.004(2) C4 0.025(2) 0.028(2) 0.025(2) -0.001(2) 0.004(2) 0.001(2) C5 0.032(2) 0.055(3) 0.028(2) 0.012(2) -0.003(2) -0.001(2) C6 0.042(3) 0.027(2) 0.039(3) 0.004(2) 0.004(2) -0.003(2) C11 0.018(2) 0.028(2) 0.022(2) 0.002(2) 0.000(2) 0.002(2) C12 0.021(2) 0.039(2) 0.022(2) 0.001(2) 0.003(2) 0.000(2) C13 0.022(2) 0.055(3) 0.025(2) 0.006(2) 0.004(2) -0.004(2) C14 0.033(2) 0.039(3) 0.039(2) 0.008(2) -0.002(2) -0.012(2) C15 0.041(2) 0.034(2) 0.027(2) 0.000(2) -0.001(2) -0.005(2) C16 0.030(2) 0.034(2) 0.022(2) -0.001(2) 0.005(2) -0.002(2) C21 0.018(2) 0.027(2) 0.016(2) -0.003(2) 0.0009(14) 0.000(2) C22 0.024(2) 0.028(2) 0.021(2) 0.000(2) 0.005(2) -0.003(2) C23 0.024(2) 0.033(2) 0.021(2) -0.001(2) -0.001(2) 0.004(2) C24 0.019(2) 0.046(3) 0.023(2) -0.008(2) 0.002(2) 0.000(2) C25 0.024(2) 0.034(2) 0.031(2) 0.003(2) 0.005(2) -0.007(2) C26 0.027(2) 0.026(2) 0.029(2) 0.000(2) 0.004(2) -0.001(2) C31 0.024(2) 0.023(2) 0.020(2) 0.004(2) -0.0015(15) 0.005(2) C32 0.026(2) 0.026(2) 0.024(2) 0.002(2) 0.006(2) 0.002(2) C33 0.045(3) 0.036(2) 0.026(2) 0.004(2) 0.011(2) 0.013(2) C34 0.058(3) 0.027(2) 0.022(2) 0.001(2) -0.010(2) 0.011(2) C35 0.042(3) 0.030(2) 0.035(2) 0.002(2) -0.011(2) -0.004(2) C36 0.030(2) 0.033(2) 0.026(2) 0.003(2) -0.003(2) -0.002(2) C41 0.027(2) 0.027(2) 0.021(2) -0.002(2) 0.008(2) -0.006(2) C42 0.031(2) 0.033(2) 0.022(2) 0.001(2) 0.005(2) -0.001(2) C43 0.045(3) 0.031(2) 0.032(2) 0.008(2) 0.005(2) 0.004(2) C44 0.050(3) 0.024(2) 0.036(2) 0.001(2) 0.014(2) -0.007(2) C45 0.037(2) 0.029(2) 0.026(2) 0.001(2) 0.007(2) -0.012(2) C46 0.026(2) 0.030(2) 0.028(2) -0.001(2) 0.007(2) 0.000(2) _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 P1 N 1.572(3) . ? P1 C11 1.816(4) . ? P1 C1 1.819(3) . ? P1 C21 1.822(3) . ? P2 N 1.689(3) . ? P2 C4 1.828(4) . ? P2 C41 1.839(4) . ? C1 C31 1.510(5) . ? C1 C3 1.517(5) . ? C1 C2 1.522(5) . ? C2 C3 1.494(6) . ? C2 H2A 0.93(3) . ? C2 H2B 1.03(4) . ? C3 H3A 0.91(3) . ? C3 H3B 1.02(4) . ? C4 C6 1.501(6) . ? C4 C5 1.509(5) . ? C4 H4 0.98(4) . ? C5 C6 1.488(6) . ? C5 H5A 0.98(4) . ? C5 H5B 0.98(4) . ? C6 H6A 1.02(4) . ? C6 H6B 0.94(3) . ? C11 C12 1.388(5) . ? C11 C16 1.407(5) . ? C12 C13 1.382(5) . ? C12 H12 0.95 . ? C13 C14 1.377(6) . ? C13 H13 0.95 . ? C14 C15 1.394(5) . ? C14 H14 0.95 . ? C15 C16 1.386(5) . ? C15 H15 0.95 . ? C16 H16 0.95 . ? C21 C26 1.395(5) . ? C21 C22 1.398(5) . ? C22 C23 1.400(5) . ? C22 H22 0.95 . ? C23 C24 1.391(5) . ? C23 H23 0.95 . ? C24 C25 1.389(5) . ? C24 H24 0.95 . ? C25 C26 1.388(5) . ? C25 H25 0.95 . ? C26 H26 0.95 . ? C31 C32 1.394(5) . ? C31 C36 1.396(5) . ? C32 C33 1.387(5) . ? C32 H32 0.95 . ? C33 C34 1.387(6) . ? C33 H33 0.95 . ? C34 C35 1.384(6) . ? C34 H34 0.95 . ? C35 C36 1.386(5) . ? C35 H35 0.95 . ? C36 H36 0.95 . ? C41 C42 1.400(5) . ? C41 C46 1.400(5) . ? C42 C43 1.390(5) . ? C42 H42 0.95 . ? C43 C44 1.384(6) . ? C43 H43 0.95 . ? C44 C45 1.382(5) . ? C44 H44 0.95 . ? C45 C46 1.383(5) . ? C45 H45 0.95 . ? C46 H46 0.95 . ? 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 N P1 C11 112.8(2) . . ? N P1 C1 108.4(2) . . ? C11 P1 C1 106.0(2) . . ? N P1 C21 114.2(2) . . ? C11 P1 C21 107.1(2) . . ? C1 P1 C21 107.9(2) . . ? N P2 C4 102.7(2) . . ? N P2 C41 101.4(2) . . ? C4 P2 C41 96.5(2) . . ? P1 N P2 123.4(2) . . ? C31 C1 C3 119.0(3) . . ? C31 C1 C2 118.1(3) . . ? C3 C1 C2 58.9(3) . . ? C31 C1 P1 118.1(3) . . ? C3 C1 P1 115.0(3) . . ? C2 C1 P1 114.2(3) . . ? C3 C2 C1 60.4(3) . . ? C3 C2 H2A 121.5(22) . . ? C1 C2 H2A 119.7(22) . . ? C3 C2 H2B 117.7(21) . . ? C1 C2 H2B 114.5(21) . . ? H2A C2 H2B 113.1(29) . . ? C2 C3 C1 60.7(3) . . ? C2 C3 H3A 116.4(21) . . ? C1 C3 H3A 116.2(22) . . ? C2 C3 H3B 119.5(24) . . ? C1 C3 H3B 115.1(24) . . ? H3A C3 H3B 116.8(32) . . ? C6 C4 C5 59.2(3) . . ? C6 C4 P2 118.7(3) . . ? C5 C4 P2 119.2(3) . . ? C6 C4 H4 118.7(22) . . ? C5 C4 H4 115.8(21) . . ? P2 C4 H4 114.4(22) . . ? C6 C5 C4 60.1(3) . . ? C6 C5 H5A 115.6(23) . . ? C4 C5 H5A 115.7(23) . . ? C6 C5 H5B 118.9(24) . . ? C4 C5 H5B 118.1(23) . . ? H5A C5 H5B 116.5(32) . . ? C5 C6 C4 60.7(3) . . ? C5 C6 H6A 119.0(24) . . ? C4 C6 H6A 117.6(25) . . ? C5 C6 H6B 117.8(21) . . ? C4 C6 H6B 115.6(21) . . ? H6A C6 H6B 115.3(32) . . ? C12 C11 C16 119.2(3) . . ? C12 C11 P1 116.4(3) . . ? C16 C11 P1 124.4(3) . . ? C13 C12 C11 120.9(4) . . ? C13 C12 H12 119.6(2) . . ? C11 C12 H12 119.5(2) . . ? C14 C13 C12 119.8(4) . . ? C14 C13 H13 120.3(2) . . ? C12 C13 H13 119.9(2) . . ? C13 C14 C15 120.5(4) . . ? C13 C14 H14 119.6(2) . . ? C15 C14 H14 120.0(2) . . ? C16 C15 C14 120.0(4) . . ? C16 C15 H15 120.0(2) . . ? C14 C15 H15 120.0(2) . . ? C15 C16 C11 119.7(3) . . ? C15 C16 H16 120.2(2) . . ? C11 C16 H16 120.2(2) . . ? C26 C21 C22 119.0(3) . . ? C26 C21 P1 118.5(3) . . ? C22 C21 P1 121.7(3) . . ? C21 C22 C23 120.4(3) . . ? C21 C22 H22 119.7(2) . . ? C23 C22 H22 120.0(2) . . ? C24 C23 C22 120.0(4) . . ? C24 C23 H23 120.1(2) . . ? C22 C23 H23 119.9(2) . . ? C25 C24 C23 119.6(3) . . ? C25 C24 H24 120.2(2) . . ? C23 C24 H24 120.1(2) . . ? C26 C25 C24 120.5(3) . . ? C26 C25 H25 119.8(2) . . ? C24 C25 H25 119.7(2) . . ? C25 C26 C21 120.5(3) . . ? C25 C26 H26 119.7(2) . . ? C21 C26 H26 119.8(2) . . ? C32 C31 C36 117.9(3) . . ? C32 C31 C1 121.0(3) . . ? C36 C31 C1 121.0(3) . . ? C33 C32 C31 121.2(4) . . ? C33 C32 H32 119.3(2) . . ? C31 C32 H32 119.5(2) . . ? C34 C33 C32 120.0(4) . . ? C34 C33 H33 120.4(2) . . ? C32 C33 H33 119.6(2) . . ? C35 C34 C33 119.6(4) . . ? C35 C34 H34 120.2(2) . . ? C33 C34 H34 120.2(2) . . ? C34 C35 C36 120.2(4) . . ? C34 C35 H35 119.9(2) . . ? C36 C35 H35 119.9(2) . . ? C35 C36 C31 121.1(4) . . ? C35 C36 H36 119.7(2) . . ? C31 C36 H36 119.2(2) . . ? C42 C41 C46 117.9(3) . . ? C42 C41 P2 124.3(3) . . ? C46 C41 P2 117.8(3) . . ? C43 C42 C41 120.8(4) . . ? C43 C42 H42 119.9(2) . . ? C41 C42 H42 119.3(2) . . ? C44 C43 C42 119.9(4) . . ? C44 C43 H43 120.0(2) . . ? C42 C43 H43 120.1(2) . . ? C45 C44 C43 120.4(4) . . ? C45 C44 H44 119.9(2) . . ? C43 C44 H44 119.7(2) . . ? C44 C45 C46 119.8(4) . . ? C44 C45 H45 120.1(2) . . ? C46 C45 H45 120.1(2) . . ? C45 C46 C41 121.3(4) . . ? C45 C46 H46 119.6(2) . . ? C41 C46 H46 119.1(2) . . ? _refine_diff_density_max 0.306 _refine_diff_density_min -0.311 _refine_diff_density_rms 0.068