#------------------------------------------------------------------------------ #$Date: 2015-01-23 12:30:19 +0000 (Fri, 23 Jan 2015) $ #$Revision: 130086 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/69/2006940.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2006940 loop_ _publ_author_name 'Wiesler, Beatrix' 'Tuczek, Felix' 'N\"ather, Christian' 'Bensch, Wolfgang' _publ_section_title ; [FeHCl(C~10~H~24~P~2~)~2~] ; _journal_issue 1 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 44 _journal_page_last 46 _journal_paper_doi 10.1107/S0108270197012754 _journal_volume 54 _journal_year 1998 _chemical_formula_iupac '[FeClH(C10 H24 P2)2]' _chemical_formula_sum 'C20 H49 Cl Fe P4' _chemical_formula_weight 504.77 _chemical_name_systematic ; trans-chloro-bis[ethylene-bis(diethylphosphine)]hydrido-iron(II) ; _space_group_IT_number 60 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2n 2ab' _symmetry_space_group_name_H-M 'P b c n' _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 8 _cell_length_a 10.747(2) _cell_length_b 27.457(4) _cell_length_c 17.837(3) _cell_measurement_reflns_used 106 _cell_measurement_temperature 180(2) _cell_measurement_theta_max 20 _cell_measurement_theta_min 17.5 _cell_volume 5263.3(15) _computing_cell_refinement DIF4 _computing_data_collection 'DIF4 (Stoe & Cie, 1992a)' _computing_data_reduction 'REDU4 (Stoe & Cie, 1992b)' _computing_molecular_graphics 'SHELXTL/PC (Siemens, 1990)' _computing_publication_material SHELXL93 _computing_structure_refinement 'SHELXL93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXS86 (Sheldrick, 1986)' _diffrn_ambient_temperature 180(2) _diffrn_measurement_device 'STOE AED-II' _diffrn_measurement_method 'omega-theta scan' _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 0.0207 _diffrn_reflns_av_sigmaI/netI 0.0365 _diffrn_reflns_limit_h_max 0 _diffrn_reflns_limit_h_min -12 _diffrn_reflns_limit_k_max 1 _diffrn_reflns_limit_k_min -32 _diffrn_reflns_limit_l_max 1 _diffrn_reflns_limit_l_min -21 _diffrn_reflns_number 5148 _diffrn_reflns_theta_max 24.98 _diffrn_reflns_theta_min 1.87 _diffrn_standards_decay_% negligible _diffrn_standards_interval_time 'every 120' _diffrn_standards_number 4 _exptl_absorpt_coefficient_mu 0.922 _exptl_absorpt_correction_T_max 0.774 _exptl_absorpt_correction_T_min 0.562 _exptl_absorpt_correction_type 'face indexed' _exptl_crystal_colour red _exptl_crystal_density_diffrn 1.274 _exptl_crystal_density_meas ? _exptl_crystal_description prism _exptl_crystal_F_000 2176 _exptl_crystal_size_max 0.68 _exptl_crystal_size_mid 0.56 _exptl_crystal_size_min 0.28 _refine_diff_density_max 0.811 _refine_diff_density_min -0.728 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_all 1.073 _refine_ls_goodness_of_fit_obs 1.075 _refine_ls_hydrogen_treatment 'see text below' _refine_ls_matrix_type full _refine_ls_number_parameters 246 _refine_ls_number_reflns 4600 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.122 _refine_ls_restrained_S_obs 1.075 _refine_ls_R_factor_all 0.0823 _refine_ls_R_factor_obs .0474 _refine_ls_shift/esd_max 0.000 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_scheme 'calc w = 1/[\s^2^(Fo^2^)+(0.0808P)^2^+11.4418P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_wR_factor_all 0.1568 _refine_ls_wR_factor_obs .1260 _reflns_number_observed 3296 _reflns_number_total 4616 _reflns_observed_criterion >2sigma(I) _[local]_cod_data_source_file ln1021.cif _[local]_cod_data_source_block felix4 _cod_depositor_comments ; The following automatic conversions were performed: '_geom_bond_publ_flag' value 'Y' changed to 'y' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (6 times). '_geom_bond_publ_flag' value 'N' changed to 'n' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (22 times). Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_geom_bond_publ_flag' value 'Y' changed to 'y' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (6 times). '_geom_bond_publ_flag' value 'N' changed to 'n' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (22 times). '_geom_angle_publ_flag' value 'Y' changed to 'y' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (10 times). '_geom_angle_publ_flag' value 'N' changed to 'n' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (36 times). '_geom_torsion_publ_flag' value 'N' changed to 'n' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (86 times). Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana The following automatic conversions were performed: '_exptl_crystal_density_meas' value 'Not measured' was changed to '?' - the value is perceived as not measured. Automatic conversion script Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas ; _cod_database_code 2006940 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, -y+1/2, z+1/2' '-x, y, -z+1/2' 'x+1/2, -y+1/2, -z' '-x, -y, -z' 'x-1/2, y-1/2, -z-1/2' 'x, -y, z-1/2' '-x-1/2, y-1/2, z' loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Fe .0139(3) .0154(3) .0231(3) .0000(2) .0004(2) -.0001(2) Cl .0183(5) .0236(5) .0430(6) .0050(4) -.0007(5) -.0016(5) C1 .028(2) .024(2) .029(2) -.001(2) -.001(2) -.002(2) C2 .059(4) .031(3) .044(3) -.002(3) -.007(3) -.009(2) C3 .022(2) .038(3) .043(3) .004(2) -.011(2) -.001(2) C4 .031(3) .050(3) .059(4) .013(2) -.013(3) -.002(3) P1 .0192(5) .0206(5) .0235(5) .0013(4) -.0015(4) -.0011(4) C5 .036(3) .031(3) .028(2) -.001(2) .003(2) .000(2) C6 .043(3) .031(3) .032(3) -.003(2) -.001(2) .008(2) P2 .0213(5) .0206(6) .0313(6) -.0007(5) .0038(5) .0032(5) C7 .034(3) .021(2) .045(3) -.001(2) .007(2) .003(2) C8 .046(3) .028(3) .062(3) .013(2) .006(3) .007(3) C9 .027(2) .046(3) .051(3) -.002(2) .010(2) .011(3) C10 .037(3) .058(4) .066(4) .002(3) .018(3) .009(3) C11 .023(2) .026(2) .034(2) -.006(2) .002(2) -.001(2) C12 .026(3) .036(3) .058(3) -.001(2) .008(2) .000(3) C13 .036(3) .024(2) .033(3) .002(2) .000(2) .006(2) C14 .045(3) .030(3) .046(3) -.005(2) -.005(3) .014(2) P3 .0183(5) .0198(5) .0241(5) -.0026(4) .0010(4) -.0008(4) C15 .031(2) .035(3) .024(2) -.008(2) .003(2) -.003(2) C16 .032(2) .028(2) .027(2) -.007(2) -.004(2) -.001(2) P4 .0192(5) .0197(6) .0279(6) -.0016(4) -.0027(4) -.0025(4) C17 .034(3) .031(3) .040(3) .003(2) .001(2) -.008(2) C18 .053(3) .052(4) .052(3) .007(3) .002(3) -.027(3) C19 .026(2) .026(2) .037(3) -.005(2) -.001(2) .001(2) C20 .023(2) .040(3) .058(3) -.003(2) -.010(2) -.001(3) loop_ _atom_site_label _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_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_group _atom_site_type_symbol Fe .22055(5) .36433(2) .51150(3) .0175(2) Uani d . 1 . Fe Cl .39754(10) .31077(4) .51193(7) .0283(3) Uani d . 1 . Cl C1 .1565(4) .2612(2) .4032(3) .0268(10) Uani d . 1 . C H1A .2407(4) .2519(2) .4207(3) .032 Uiso calc R 1 . H H1B .0960(4) .2461(2) .4380(3) .032 Uiso calc R 1 . H C2 .1370(6) .2387(2) .3259(3) .0448(14) Uani d . 1 . C H2A .0506(11) .2435(12) .3102(10) .067 Uiso calc R 1 . H H2B .155(4) .2037(3) .3282(6) .067 Uiso calc R 1 . H H2C .193(3) .2542(10) .2897(5) .067 Uiso calc R 1 . H C3 -.0229(4) .3352(2) .3855(3) .0341(11) Uani d . 1 . C H3A -.0380(4) .3163(2) .3392(3) .041 Uiso calc R 1 . H H3B -.0748(4) .3207(2) .4255(3) .041 Uiso calc R 1 . H C4 -.0679(5) .3871(2) .3722(3) .0465(14) Uani d . 1 . C H4A -.1583(7) .3870(3) .365(2) .070 Uiso calc R 1 . H H4B -.028(3) .4003(6) .3272(13) .070 Uiso calc R 1 . H H4C -.047(3) .4074(4) .4155(10) .070 Uiso calc R 1 . H P1 .14217(10) .32750(4) .41202(6) .0211(3) Uani d . 1 . P C5 .2262(5) .3494(2) .3275(3) .0318(11) Uani d . 1 . C H5A .3051(5) .3312(2) .3215(3) .038 Uiso calc R 1 . H H5B .1747(5) .3440(2) .2823(3) .038 Uiso calc R 1 . H C6 .2535(5) .4035(2) .3365(3) .0354(11) Uani d . 1 . C H6A .1772(5) .4227(2) .3266(3) .043 Uiso calc R 1 . H H6B .3179(5) .4137(2) .3000(3) .043 Uiso calc R 1 . H P2 .30856(10) .41518(4) .43256(7) .0244(3) Uani d . 1 . P C7 .2868(4) .4818(2) .4378(3) .0332(11) Uani d . 1 . C H7A .3256(4) .4936(2) .4847(3) .040 Uiso calc R 1 . H H7B .3321(4) .4969(2) .3954(3) .040 Uiso calc R 1 . H C8 .1516(5) .4994(2) .4358(4) .0450(13) Uani d . 1 . C H8A .1170(13) .4940(14) .3856(7) .067 Uiso calc R 1 . H H8B .1487(6) .5342(4) .448(2) .067 Uiso calc R 1 . H H8C .1026(10) .4812(11) .4727(16) .067 Uiso calc R 1 . H C9 .4811(5) .4132(2) .4248(3) .0413(13) Uani d . 1 . C H9A .5152(5) .4343(2) .4648(3) .050 Uiso calc R 1 . H H9B .5076(5) .3795(2) .4363(3) .050 Uiso calc R 1 . H C10 .5429(5) .4277(2) .3527(4) .054(2) Uani d . 1 . C H10A .533(4) .4016(7) .3158(8) .080 Uiso calc R 1 . H H10B .6317(10) .4335(16) .3617(6) .080 Uiso calc R 1 . H H10C .504(3) .4576(9) .3336(13) .080 Uiso calc R 1 . H C11 -.0484(4) .3067(2) .5881(3) .0275(10) Uani d . 1 . C H11A -.0674(4) .2858(2) .5443(3) .033 Uiso calc R 1 . H H11B -.0743(4) .2887(2) .6337(3) .033 Uiso calc R 1 . H C12 -.1260(5) .3533(2) .5824(3) .0399(12) Uani d . 1 . C H12A -.121(3) .3713(7) .6298(8) .060 Uiso calc R 1 . H H12B -.2129(8) .3449(2) .572(2) .060 Uiso calc R 1 . H H12C -.094(2) .3737(7) .5417(14) .060 Uiso calc R 1 . H C13 .1801(5) .2539(2) .6052(3) .0309(10) Uani d . 1 . C H13A .1844(5) .2384(2) .5552(3) .037 Uiso calc R 1 . H H13B .2665(5) .2564(2) .6242(3) .037 Uiso calc R 1 . H C14 .1081(5) .2195(2) .6575(3) .0402(12) Uani d . 1 . C H14A .1564(16) .1897(6) .6652(17) .060 Uiso calc R 1 . H H14B .0278(15) .2114(11) .6348(10) .060 Uiso calc R 1 . H H14C .094(3) .2356(5) .7058(8) .060 Uiso calc R 1 . H P3 .12089(10) .31649(4) .59215(6) .0208(3) Uani d . 1 . P C15 .1385(4) .3408(2) .6884(2) .0298(10) Uani d . 1 . C H15A .0716(4) .3646(2) .6991(2) .036 Uiso calc R 1 . H H15B .1327(4) .3140(2) .7254(2) .036 Uiso calc R 1 . H C16 .2645(4) .3653(2) .6938(3) .0293(10) Uani d . 1 . C H16A .3316(4) .3406(2) .6937(3) .035 Uiso calc R 1 . H H16B .2704(4) .3845(2) .7407(3) .035 Uiso calc R 1 . H P4 .27868(10) .40537(4) .61184(6) .0222(3) Uani d . 1 . P C17 .1762(5) .4573(2) .6363(3) .0351(11) Uani d . 1 . C H17A .1964(5) .4845(2) .6020(3) .042 Uiso calc R 1 . H H17B .0893(5) .4474(2) .6256(3) .042 Uiso calc R 1 . H C18 .1807(6) .4771(2) .7171(3) .052(2) Uani d . 1 . C H18A .127(3) .5057(9) .7211(7) .078 Uiso calc R 1 . H H18B .2663(9) .4862(14) .7296(9) .078 Uiso calc R 1 . H H18C .152(4) .4519(6) .7519(4) .078 Uiso calc R 1 . H C19 .4326(4) .4333(2) .6275(3) .0297(10) Uani d . 1 . C H19A .4481(4) .4572(2) .5870(3) .036 Uiso calc R 1 . H H19B .4300(4) .4515(2) .6754(3) .036 Uiso calc R 1 . H C20 .5418(4) .3980(2) .6303(3) .0402(13) Uani d . 1 . C H20A .6194(6) .4163(2) .637(2) .060 Uiso calc R 1 . H H20B .545(2) .3795(10) .5834(9) .060 Uiso calc R 1 . H H20C .5310(18) .3756(9) .6725(13) .060 Uiso calc R 1 . H H1FE .111(5) .395(2) .509(3) .048 Uiso d . 1 . H 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' Cl Cl 0.1484 0.1585 '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' Fe Fe 0.3463 0.8444 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_publ_flag P2 Fe P4 94.22(5) y P2 Fe P1 86.57(5) y P4 Fe P1 173.59(5) y P2 Fe P3 176.10(5) y P4 Fe P3 85.03(5) y P1 Fe P3 93.76(5) y P2 Fe Cl 92.87(5) y P4 Fe Cl 94.92(4) y P1 Fe Cl 91.39(4) y P3 Fe Cl 91.01(4) y C2 C1 P1 118.0(3) n C4 C3 P1 116.9(3) n C1 P1 C3 100.0(2) n C1 P1 C5 102.2(2) n C3 P1 C5 102.8(2) n C1 P1 Fe 119.42(15) n C3 P1 Fe 121.3(2) n C5 P1 Fe 108.5(2) n C6 C5 P1 108.9(3) n C5 C6 P2 109.2(3) n C6 P2 C7 100.3(2) n C6 P2 C9 104.2(3) n C7 P2 C9 99.1(2) n C6 P2 Fe 110.4(2) n C7 P2 Fe 122.9(2) n C9 P2 Fe 117.3(2) n C8 C7 P2 115.6(3) n C10 C9 P2 119.8(4) n C12 C11 P3 114.7(3) n C14 C13 P3 118.3(3) n C11 P3 C13 102.1(2) n C11 P3 C15 100.9(2) n C13 P3 C15 100.6(2) n C11 P3 Fe 122.5(2) n C13 P3 Fe 117.7(2) n C15 P3 Fe 109.71(15) n C16 C15 P3 108.1(3) n C15 C16 P4 106.8(3) n C16 P4 C19 101.7(2) n C16 P4 C17 103.0(2) n C19 P4 C17 100.2(2) n C16 P4 Fe 108.45(15) n C19 P4 Fe 126.1(2) n C17 P4 Fe 114.5(2) n C18 C17 P4 118.2(4) n C20 C19 P4 115.5(3) n loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Fe P2 . 2.1970(13) y Fe P4 . 2.2053(13) y Fe P1 . 2.2093(12) y Fe P3 . 2.2231(12) y Fe Cl . 2.4044(12) y C1 C2 . 1.526(7) n C1 P1 . 1.833(4) n C3 C4 . 1.522(7) n C3 P1 . 1.848(4) n P1 C5 . 1.858(5) n C5 C6 . 1.523(7) n C6 P2 . 1.841(5) n P2 C7 . 1.845(5) n P2 C9 . 1.860(5) n C7 C8 . 1.532(7) n C9 C10 . 1.501(7) n C11 C12 . 1.532(6) n C11 P3 . 1.841(4) n C13 C14 . 1.537(6) n C13 P3 . 1.846(5) n P3 C15 . 1.852(5) n C15 C16 . 1.515(6) n C16 P4 . 1.836(5) n P4 C19 . 1.845(4) n P4 C17 . 1.853(5) n C17 C18 . 1.541(7) n C19 C20 . 1.523(6) n Fe H1 . 1.45(5) y loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion _geom_torsion_publ_flag C2 C1 P1 C3 62.8(4) n C2 C1 P1 C5 -42.8(4) n C2 C1 P1 Fe -162.5(3) n C4 C3 P1 C1 -169.5(4) n C4 C3 P1 C5 -64.4(5) n C4 C3 P1 Fe 56.9(5) n P2 Fe P1 C1 130.9(2) n P4 Fe P1 C1 -131.8(4) n P3 Fe P1 C1 -53.0(2) n Cl Fe P1 C1 38.1(2) n P2 Fe P1 C3 -104.0(2) n P4 Fe P1 C3 -6.7(5) n P3 Fe P1 C3 72.1(2) n Cl Fe P1 C3 163.2(2) n P2 Fe P1 C5 14.5(2) n P4 Fe P1 C5 111.8(5) n P3 Fe P1 C5 -169.4(2) n Cl Fe P1 C5 -78.3(2) n C1 P1 C5 C6 -165.0(3) n C3 P1 C5 C6 91.7(4) n Fe P1 C5 C6 -37.9(4) n P1 C5 C6 P2 43.3(4) n C5 C6 P2 C7 -163.1(4) n C5 C6 P2 C9 94.7(4) n C5 C6 P2 Fe -32.1(4) n P4 Fe P2 C6 -166.6(2) n P1 Fe P2 C6 7.0(2) n P3 Fe P2 C6 -88.0(8) n Cl Fe P2 C6 98.2(2) n P4 Fe P2 C7 -48.9(2) n P1 Fe P2 C7 124.8(2) n P3 Fe P2 C7 29.8(8) n Cl Fe P2 C7 -144.0(2) n P4 Fe P2 C9 74.2(2) n P1 Fe P2 C9 -112.1(2) n P3 Fe P2 C9 152.9(7) n Cl Fe P2 C9 -20.9(2) n C6 P2 C7 C8 66.9(5) n C9 P2 C7 C8 173.3(4) n Fe P2 C7 C8 -55.7(5) n C6 P2 C9 C10 29.6(5) n C7 P2 C9 C10 -73.5(5) n Fe P2 C9 C10 151.9(4) n C12 C11 P3 C13 176.2(4) n C12 C11 P3 C15 72.8(4) n C12 C11 P3 Fe -49.3(4) n C14 C13 P3 C11 -39.6(4) n C14 C13 P3 C15 64.2(4) n C14 C13 P3 Fe -176.8(3) n P2 Fe P3 C11 42.1(8) n P4 Fe P3 C11 121.0(2) n P1 Fe P3 C11 -52.7(2) n Cl Fe P3 C11 -144.1(2) n P2 Fe P3 C13 170.1(7) n P4 Fe P3 C13 -111.0(2) n P1 Fe P3 C13 75.3(2) n Cl Fe P3 C13 -16.1(2) n P2 Fe P3 C15 -75.8(8) n P4 Fe P3 C15 3.1(2) n P1 Fe P3 C15 -170.5(2) n Cl Fe P3 C15 98.0(2) n C11 P3 C15 C16 -162.9(3) n C13 P3 C15 C16 92.4(4) n Fe P3 C15 C16 -32.3(4) n P3 C15 C16 P4 48.5(4) n C15 C16 P4 C19 178.6(3) n C15 C16 P4 C17 75.1(3) n C15 C16 P4 Fe -46.6(3) n P2 Fe P4 C16 -162.8(2) n P1 Fe P4 C16 100.3(5) n P3 Fe P4 C16 21.0(2) n Cl Fe P4 C16 -69.5(2) n P2 Fe P4 C19 -42.2(2) n P1 Fe P4 C19 -139.1(5) n P3 Fe P4 C19 141.6(2) n Cl Fe P4 C19 51.1(2) n P2 Fe P4 C17 82.9(2) n P1 Fe P4 C17 -14.0(5) n P3 Fe P4 C17 -93.3(2) n Cl Fe P4 C17 176.1(2) n C16 P4 C17 C18 42.2(5) n C19 P4 C17 C18 -62.5(5) n Fe P4 C17 C18 159.7(4) n C16 P4 C19 C20 60.9(4) n C17 P4 C19 C20 166.5(4) n Fe P4 C19 C20 -62.6(4) n