# Supplementary Material (ESI) for Chemical Communications # This journal is © The Royal Society of Chemistry 2006 data_global _journal_name_full Chem.Commun. _journal_coden_Cambridge 0182 _publ_contact_author_name 'Nam Hur' _publ_contact_author_address ; Center for CMR Materials and Division of Electromagnetic Metrology Korea Research Institute of Standards and Science P. O. Box 102 Daejeon 305-600 SOUTH KOREA ; _publ_contact_author_email NHHUR@KRISS.RE.KR _publ_section_title ; Growth of FePt nanocrystals by a single bimetallic precursor [(CO)3Fe(?-dppm)(?-CO)PtCl2] ; loop_ _publ_author_name 'Nam Hur.' 'Jung Hoon Hong.' 'Wan Seop Kim.' 'Youngmee Kim.' 'Sung-Jin Kim.' ; Yong Bok Lee ; 'Hyon Min Song.' # Attachment 'Hur.cif' data_(CO)3Fe(dppm)(CO)PtCl2 _database_code_depnum_ccdc_archive 'CCDC 291487' _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety ? _chemical_formula_sum 'C29 H22 C2 Fe O4 P2 Pt' _chemical_formula_weight 818.27 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' O O 0.0106 0.0060 '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' Cl Cl 0.1484 0.1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Fe Fe 0.3463 0.8444 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Pt Pt -1.7033 8.3905 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M P21/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 12.5348(7) _cell_length_b 17.6624(10) _cell_length_c 13.2114(8) _cell_angle_alpha 90.00 _cell_angle_beta 102.1710(10) _cell_angle_gamma 90.00 _cell_volume 2859.2(3) _cell_formula_units_Z 4 _cell_measurement_temperature 293(2) _cell_measurement_reflns_used 1350 _cell_measurement_theta_min 1.5 _cell_measurement_theta_max 28 _exptl_crystal_description monoclinic _exptl_crystal_colour pale _exptl_crystal_size_max 0.2 _exptl_crystal_size_mid 0.17 _exptl_crystal_size_min 0.1 _exptl_crystal_density_meas 'not measured' _exptl_crystal_density_diffrn 1.901 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 1584 _exptl_absorpt_coefficient_mu 5.728 _exptl_absorpt_correction_type 'not measured' _exptl_absorpt_correction_T_min 'not measured' _exptl_absorpt_correction_T_max 'not measured' _exptl_absorpt_process_details 'not measured' _exptl_special_details ; ? ; _diffrn_ambient_temperature 293(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 APEX smart CCD' _diffrn_measurement_method 'transmittance with Laue geometry' _diffrn_detector_area_resol_mean '16 megapixels' _diffrn_standards_number 'not measured' _diffrn_standards_interval_count 'not measured' _diffrn_standards_interval_time 'not measured' _diffrn_standards_decay_% 'not measured' _diffrn_reflns_number 15966 _diffrn_reflns_av_R_equivalents 0.0596 _diffrn_reflns_av_sigmaI/netI 0.0783 _diffrn_reflns_limit_h_min -14 _diffrn_reflns_limit_h_max 15 _diffrn_reflns_limit_k_min -21 _diffrn_reflns_limit_k_max 20 _diffrn_reflns_limit_l_min -10 _diffrn_reflns_limit_l_max 16 _diffrn_reflns_theta_min 1.95 _diffrn_reflns_theta_max 26.05 _reflns_number_total 5624 _reflns_number_gt 3854 _reflns_threshold_expression >2sigma(I) _computing_data_collection 'Bruker SMART program' _computing_cell_refinement 'Bruker SMART program' _computing_data_reduction 'Bruker SMART program' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_molecular_graphics Ortep _computing_publication_material 'enCIFer 1.2' _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^)+(0.0000P)^2^+0.0000P] 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 mixed _refine_ls_extinction_method SHELXL _refine_ls_extinction_coef 0.00001(2) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_number_reflns 5624 _refine_ls_number_parameters 353 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0447 _refine_ls_R_factor_gt 0.0294 _refine_ls_wR_factor_ref 0.0571 _refine_ls_wR_factor_gt 0.0561 _refine_ls_goodness_of_fit_ref 0.948 _refine_ls_restrained_S_all 0.948 _refine_ls_shift/su_max 0.002 _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 Pt1 Pt 0.622760(17) 0.835814(12) -0.173837(17) 0.02994(8) Uani 1 1 d . . . Fe1 Fe 0.48949(6) 0.83221(5) -0.04372(6) 0.03203(19) Uani 1 1 d . . . Cl1 Cl 0.71333(12) 0.81094(8) -0.30898(10) 0.0435(4) Uani 1 1 d . . . Cl2 Cl 0.47884(12) 0.88348(10) -0.30139(11) 0.0531(4) Uani 1 1 d . . . P1 P 0.76556(11) 0.78263(8) -0.06782(11) 0.0287(3) Uani 1 1 d . . . P2 P 0.60873(11) 0.77056(8) 0.08252(11) 0.0304(4) Uani 1 1 d . . . O1 O 0.6372(3) 0.9647(2) -0.0288(3) 0.0538(12) Uani 1 1 d . . . O2 O 0.3073(3) 0.9226(3) -0.1615(3) 0.0615(13) Uani 1 1 d . . . O3 O 0.3604(3) 0.8575(3) 0.1128(3) 0.0635(14) Uani 1 1 d . . . O4 O 0.4203(3) 0.6908(2) -0.1601(4) 0.0625(13) Uani 1 1 d . . . C1 C 0.5915(4) 0.9091(3) -0.0470(4) 0.0356(14) Uani 1 1 d . . . C2 C 0.3823(5) 0.8870(3) -0.1227(4) 0.0418(16) Uani 1 1 d . . . C3 C 0.4120(4) 0.8476(3) 0.0540(5) 0.0420(15) Uani 1 1 d . . . C4 C 0.4463(4) 0.7450(4) -0.1124(5) 0.0410(16) Uani 1 1 d . . . C5 C 0.7489(4) 0.7785(3) 0.0673(4) 0.0303(13) Uani 1 1 d . . . H5A H 0.7897 0.7355 0.1009 0.036 Uiso 1 1 calc R . . H5B H 0.7807 0.8238 0.1029 0.036 Uiso 1 1 calc R . . C11 C 0.8945(4) 0.8324(3) -0.0508(4) 0.0313(13) Uani 1 1 d . . . C12 C 0.9800(4) 0.8176(3) 0.0334(4) 0.0384(15) Uani 1 1 d . . . H12 H 0.9715 0.7801 0.0805 0.046 Uiso 1 1 calc R . . C13 C 1.0756(5) 0.8569(3) 0.0478(4) 0.0437(16) Uani 1 1 d . . . H13 H 1.1316 0.8456 0.1040 0.052 Uiso 1 1 calc R . . C14 C 1.0900(5) 0.9129(3) -0.0197(5) 0.0449(16) Uani 1 1 d . . . H14 H 1.1554 0.9395 -0.0091 0.054 Uiso 1 1 calc R . . C15 C 1.0083(5) 0.9296(4) -0.1027(5) 0.0575(19) Uani 1 1 d . . . H15 H 1.0175 0.9675 -0.1488 0.069 Uiso 1 1 calc R . . C16 C 0.9115(5) 0.8892(3) -0.1171(5) 0.0464(16) Uani 1 1 d . . . H16 H 0.8560 0.9008 -0.1737 0.056 Uiso 1 1 calc R . . C21 C 0.7846(4) 0.6855(3) -0.1035(4) 0.0322(14) Uani 1 1 d . . . C22 C 0.8804(5) 0.6468(3) -0.0661(5) 0.0465(16) Uani 1 1 d . . . H22 H 0.9385 0.6715 -0.0235 0.056 Uiso 1 1 calc R . . C23 C 0.8908(5) 0.5712(3) -0.0916(5) 0.0552(19) Uani 1 1 d . . . H23 H 0.9549 0.5453 -0.0636 0.066 Uiso 1 1 calc R . . C24 C 0.8089(5) 0.5344(3) -0.1566(5) 0.0523(18) Uani 1 1 d . . . H24 H 0.8170 0.4842 -0.1744 0.063 Uiso 1 1 calc R . . C25 C 0.7117(5) 0.5735(3) -0.1964(5) 0.0499(17) Uani 1 1 d . . . H25 H 0.6549 0.5494 -0.2415 0.060 Uiso 1 1 calc R . . C26 C 0.7006(5) 0.6487(3) -0.1683(4) 0.0368(14) Uani 1 1 d . . . H26 H 0.6355 0.6742 -0.1937 0.044 Uiso 1 1 calc R . . C31 C 0.6230(4) 0.8078(3) 0.2147(4) 0.0321(14) Uani 1 1 d . . . C32 C 0.6189(4) 0.8856(3) 0.2288(5) 0.0414(16) Uani 1 1 d . . . H32 H 0.6038 0.9176 0.1717 0.050 Uiso 1 1 calc R . . C33 C 0.6374(4) 0.9152(4) 0.3273(5) 0.0468(16) Uani 1 1 d . . . H33 H 0.6342 0.9673 0.3367 0.056 Uiso 1 1 calc R . . C34 C 0.6605(5) 0.8683(4) 0.4115(5) 0.0466(17) Uani 1 1 d . . . H34 H 0.6748 0.8887 0.4779 0.056 Uiso 1 1 calc R . . C35 C 0.6625(4) 0.7915(4) 0.3985(5) 0.0452(16) Uani 1 1 d . . . H35 H 0.6767 0.7600 0.4561 0.054 Uiso 1 1 calc R . . C36 C 0.6433(4) 0.7604(3) 0.2996(4) 0.0398(15) Uani 1 1 d . . . H36 H 0.6442 0.7082 0.2908 0.048 Uiso 1 1 calc R . . C41 C 0.5789(4) 0.6713(3) 0.0947(4) 0.0300(13) Uani 1 1 d . . . C42 C 0.6533(5) 0.6139(3) 0.1007(4) 0.0444(16) Uani 1 1 d . . . H42 H 0.7247 0.6255 0.0969 0.053 Uiso 1 1 calc R . . C43 C 0.6251(5) 0.5394(3) 0.1125(5) 0.0532(18) Uani 1 1 d . . . H43 H 0.6766 0.5012 0.1142 0.064 Uiso 1 1 calc R . . C44 C 0.5211(5) 0.5219(3) 0.1216(5) 0.0519(17) Uani 1 1 d . . . H44 H 0.5016 0.4720 0.1310 0.062 Uiso 1 1 calc R . . C45 C 0.4463(5) 0.5790(3) 0.1167(5) 0.0476(17) Uani 1 1 d . . . H45 H 0.3753 0.5673 0.1219 0.057 Uiso 1 1 calc R . . C46 C 0.4735(4) 0.6526(3) 0.1043(4) 0.0450(16) Uani 1 1 d . . . H46 H 0.4216 0.6905 0.1023 0.054 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 Pt1 0.03062(12) 0.03399(12) 0.02549(12) 0.00277(13) 0.00654(9) 0.00124(12) Fe1 0.0285(4) 0.0363(5) 0.0321(5) 0.0018(4) 0.0082(4) 0.0030(4) Cl1 0.0518(10) 0.0513(9) 0.0320(8) 0.0008(8) 0.0190(7) -0.0001(7) Cl2 0.0474(10) 0.0740(11) 0.0364(9) 0.0142(9) 0.0054(8) 0.0180(9) P1 0.0289(8) 0.0334(8) 0.0256(8) 0.0015(7) 0.0100(7) 0.0003(7) P2 0.0288(8) 0.0347(9) 0.0294(8) 0.0025(8) 0.0103(7) 0.0006(7) O1 0.066(3) 0.039(3) 0.059(3) -0.018(2) 0.020(2) -0.014(2) O2 0.053(3) 0.078(3) 0.052(3) 0.004(3) 0.008(2) 0.022(3) O3 0.049(3) 0.088(4) 0.063(3) 0.006(3) 0.033(2) 0.016(3) O4 0.054(3) 0.055(3) 0.077(3) -0.019(3) 0.011(3) -0.010(2) C1 0.040(4) 0.038(4) 0.024(3) -0.003(3) -0.003(3) 0.006(3) C2 0.046(4) 0.048(4) 0.036(4) -0.002(3) 0.018(3) 0.000(3) C3 0.033(3) 0.044(4) 0.050(4) 0.011(4) 0.011(3) 0.010(3) C4 0.022(3) 0.052(4) 0.048(4) 0.007(4) 0.008(3) 0.002(3) C5 0.027(3) 0.035(3) 0.028(3) 0.002(3) 0.004(3) -0.005(3) C11 0.033(3) 0.038(3) 0.027(3) -0.002(3) 0.014(3) 0.001(3) C12 0.031(3) 0.052(4) 0.032(3) 0.005(3) 0.008(3) -0.003(3) C13 0.036(4) 0.056(4) 0.038(4) -0.001(3) 0.007(3) -0.002(3) C14 0.035(4) 0.048(4) 0.051(4) -0.007(4) 0.010(3) -0.008(3) C15 0.052(4) 0.061(4) 0.062(5) 0.014(4) 0.017(4) -0.020(4) C16 0.038(4) 0.056(4) 0.042(4) 0.003(4) 0.001(3) -0.004(3) C21 0.038(4) 0.037(4) 0.027(3) 0.008(3) 0.017(3) 0.003(3) C22 0.038(4) 0.046(4) 0.055(4) 0.003(4) 0.008(3) 0.001(3) C23 0.046(4) 0.039(4) 0.079(5) 0.006(4) 0.011(4) 0.008(3) C24 0.065(5) 0.029(4) 0.070(5) 0.000(4) 0.030(4) -0.003(4) C25 0.048(4) 0.043(4) 0.060(5) 0.008(4) 0.013(4) -0.011(3) C26 0.034(3) 0.039(4) 0.039(4) 0.008(3) 0.012(3) 0.000(3) C31 0.028(3) 0.045(4) 0.027(3) 0.004(3) 0.011(3) -0.002(3) C32 0.051(4) 0.044(4) 0.033(4) 0.003(3) 0.018(3) -0.005(3) C33 0.045(4) 0.044(4) 0.049(4) -0.016(4) 0.003(3) -0.004(3) C34 0.044(4) 0.068(5) 0.030(4) -0.010(4) 0.013(3) -0.004(3) C35 0.043(4) 0.061(5) 0.034(4) 0.008(4) 0.014(3) 0.001(3) C36 0.045(4) 0.042(4) 0.033(4) 0.006(3) 0.012(3) 0.010(3) C41 0.030(3) 0.027(3) 0.034(3) 0.002(3) 0.009(3) 0.003(3) C42 0.042(4) 0.048(4) 0.045(4) 0.001(4) 0.013(3) -0.003(3) C43 0.054(4) 0.034(4) 0.070(5) -0.003(4) 0.009(4) 0.011(3) C44 0.063(5) 0.033(4) 0.063(5) 0.006(4) 0.021(4) -0.005(3) C45 0.041(4) 0.042(4) 0.065(5) 0.007(4) 0.022(3) -0.009(3) C46 0.038(4) 0.037(4) 0.063(4) 0.008(4) 0.018(3) 0.005(3) _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 Pt1 C1 2.217(5) . ? Pt1 P1 2.2340(14) . ? Pt1 Cl2 2.3496(15) . ? Pt1 Cl1 2.3504(13) . ? Pt1 Fe1 2.6383(7) . ? Fe1 C3 1.792(6) . ? Fe1 C2 1.800(6) . ? Fe1 C4 1.812(7) . ? Fe1 C1 1.872(6) . ? Fe1 P2 2.2693(16) . ? P1 C21 1.809(5) . ? P1 C11 1.812(5) . ? P1 C5 1.842(5) . ? P2 C41 1.807(5) . ? P2 C5 1.816(5) . ? P2 C31 1.839(5) . ? O1 C1 1.137(6) . ? O2 C2 1.157(6) . ? O3 C3 1.124(6) . ? O4 C4 1.154(6) . ? C11 C16 1.378(7) . ? C11 C12 1.397(7) . ? C12 C13 1.364(7) . ? C13 C14 1.369(7) . ? C14 C15 1.366(8) . ? C15 C16 1.385(7) . ? C21 C26 1.372(7) . ? C21 C22 1.380(7) . ? C22 C23 1.391(7) . ? C23 C24 1.357(8) . ? C24 C25 1.402(8) . ? C25 C26 1.393(7) . ? C31 C36 1.380(7) . ? C31 C32 1.389(8) . ? C32 C33 1.377(7) . ? C33 C34 1.368(8) . ? C34 C35 1.368(8) . ? C35 C36 1.391(7) . ? C41 C42 1.367(7) . ? C41 C46 1.394(6) . ? C42 C43 1.380(7) . ? C43 C44 1.370(7) . ? C44 C45 1.370(7) . ? C45 C46 1.362(7) . ? 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 C1 Pt1 P1 90.99(14) . . ? C1 Pt1 Cl2 95.85(14) . . ? P1 Pt1 Cl2 173.12(5) . . ? C1 Pt1 Cl1 150.93(16) . . ? P1 Pt1 Cl1 86.92(5) . . ? Cl2 Pt1 Cl1 86.73(5) . . ? C1 Pt1 Fe1 44.32(16) . . ? P1 Pt1 Fe1 96.60(4) . . ? Cl2 Pt1 Fe1 88.86(4) . . ? Cl1 Pt1 Fe1 164.59(4) . . ? C3 Fe1 C2 83.4(2) . . ? C3 Fe1 C4 109.9(3) . . ? C2 Fe1 C4 93.4(3) . . ? C3 Fe1 C1 112.5(3) . . ? C2 Fe1 C1 91.5(2) . . ? C4 Fe1 C1 137.6(2) . . ? C3 Fe1 P2 85.22(18) . . ? C2 Fe1 P2 168.41(18) . . ? C4 Fe1 P2 92.35(18) . . ? C1 Fe1 P2 91.01(17) . . ? C3 Fe1 Pt1 168.32(19) . . ? C2 Fe1 Pt1 96.12(17) . . ? C4 Fe1 Pt1 81.82(17) . . ? C1 Fe1 Pt1 55.81(17) . . ? P2 Fe1 Pt1 94.65(4) . . ? C21 P1 C11 109.3(2) . . ? C21 P1 C5 105.3(2) . . ? C11 P1 C5 100.3(2) . . ? C21 P1 Pt1 111.56(19) . . ? C11 P1 Pt1 116.72(19) . . ? C5 P1 Pt1 112.62(16) . . ? C41 P2 C5 107.9(2) . . ? C41 P2 C31 104.1(2) . . ? C5 P2 C31 100.1(2) . . ? C41 P2 Fe1 114.48(18) . . ? C5 P2 Fe1 112.60(17) . . ? C31 P2 Fe1 116.31(19) . . ? O1 C1 Fe1 159.7(5) . . ? O1 C1 Pt1 120.2(5) . . ? Fe1 C1 Pt1 79.9(2) . . ? O2 C2 Fe1 170.6(5) . . ? O3 C3 Fe1 177.7(5) . . ? O4 C4 Fe1 176.8(5) . . ? P2 C5 P1 114.9(3) . . ? C16 C11 C12 116.6(5) . . ? C16 C11 P1 121.9(4) . . ? C12 C11 P1 121.5(4) . . ? C13 C12 C11 121.3(5) . . ? C12 C13 C14 120.7(6) . . ? C15 C14 C13 119.9(6) . . ? C14 C15 C16 119.1(6) . . ? C11 C16 C15 122.4(5) . . ? C26 C21 C22 119.0(5) . . ? C26 C21 P1 119.1(4) . . ? C22 C21 P1 121.9(4) . . ? C21 C22 C23 120.5(6) . . ? C24 C23 C22 121.0(6) . . ? C23 C24 C25 119.0(6) . . ? C26 C25 C24 119.8(6) . . ? C21 C26 C25 120.7(6) . . ? C36 C31 C32 119.8(5) . . ? C36 C31 P2 121.3(4) . . ? C32 C31 P2 118.8(5) . . ? C33 C32 C31 120.0(6) . . ? C34 C33 C32 120.2(6) . . ? C35 C34 C33 120.3(6) . . ? C34 C35 C36 120.4(6) . . ? C31 C36 C35 119.3(6) . . ? C42 C41 C46 117.8(5) . . ? C42 C41 P2 124.9(4) . . ? C46 C41 P2 117.1(4) . . ? C41 C42 C43 121.7(5) . . ? C44 C43 C42 119.7(6) . . ? C45 C44 C43 119.0(6) . . ? C46 C45 C44 121.5(5) . . ? C45 C46 C41 120.2(5) . . ? _diffrn_measured_fraction_theta_max 0.996 _diffrn_reflns_theta_full 26.05 _diffrn_measured_fraction_theta_full 0.996 _refine_diff_density_max 1.212 _refine_diff_density_min -1.014 _refine_diff_density_rms 0.108