#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/90/2009051.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_2009051 loop_ _publ_author_name 'Mahmoudkhani, Amir H.' 'Langer, Vratislav' _publ_section_title ; Bis[(2-chloroethyl)diisopropylammonium] tetrachlorocobaltate(II) ; _journal_issue 10 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1631 _journal_page_last 1634 _journal_volume 55 _journal_year 1999 _chemical_formula_iupac '(C8 H19 Cl N)2 [Co1 Cl4]' _chemical_formula_moiety '2(C8 H19 Cl N), CoCl4' _chemical_formula_sum 'C16 H38 Cl6 Co N2' _chemical_formula_weight 530.11 _chemical_name_systematic ; (2-Chloroethyl)diisopropylammonium Tetrachlorocobaltate(II) ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _audit_creation_method SHELXTL _cell_angle_alpha 90.00 _cell_angle_beta 94.7901(2) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 8.02570(10) _cell_length_b 25.8793(3) _cell_length_c 12.11960(10) _cell_measurement_reflns_used 6564 _cell_measurement_temperature 203(2) _cell_measurement_theta_max 32 _cell_measurement_theta_min 1 _cell_volume 2508.44(5) _computing_cell_refinement 'SAINT (Siemens, 1995)' _computing_data_collection 'SMART (Siemens, 1995)' _computing_data_reduction 'SAINT and SADABS (Sheldrick, 1996)' _computing_molecular_graphics SHELXTL _computing_structure_refinement SHELXTL _computing_structure_solution 'SHELXTL (Bruker, 1997)' _diffrn_ambient_temperature 203(2) _diffrn_measured_fraction_theta_full 0.998 _diffrn_measured_fraction_theta_max 0.998 _diffrn_measurement_device_type 'Siemens SMART CCD' _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 0.051 _diffrn_reflns_av_sigmaI/netI 0.0405 _diffrn_reflns_limit_h_max 10 _diffrn_reflns_limit_h_min -10 _diffrn_reflns_limit_k_max 34 _diffrn_reflns_limit_k_min -34 _diffrn_reflns_limit_l_max 16 _diffrn_reflns_limit_l_min -16 _diffrn_reflns_number 29643 _diffrn_reflns_theta_full 28.30 _diffrn_reflns_theta_max 28.3 _diffrn_reflns_theta_min 1.57 _diffrn_standards_decay_% none _exptl_absorpt_coefficient_mu 1.328 _exptl_absorpt_correction_T_max 0.987 _exptl_absorpt_correction_T_min 0.557 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SADABS; Sheldrick, 1996; Blessing, 1995)' _exptl_crystal_colour blue _exptl_crystal_density_diffrn 1.404 _exptl_crystal_density_method 'not measured' _exptl_crystal_description 'thin plate' _exptl_crystal_F_000 1108 _exptl_crystal_size_max 0.50 _exptl_crystal_size_mid 0.40 _exptl_crystal_size_min 0.01 _refine_diff_density_max 1.062 _refine_diff_density_min -0.770 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.021 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 256 _refine_ls_number_reflns 6231 _refine_ls_number_restraints 3 _refine_ls_restrained_S_all 1.022 _refine_ls_R_factor_all 0.070 _refine_ls_R_factor_gt 0.045 _refine_ls_shift/su_max 0.002 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = [\s^2^(Fo^2^)+(0.0413P)^2^+3.3222P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_ref 0.111 _reflns_number_gt 4601 _reflns_number_total 6231 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file os1065.cif _[local]_cod_data_source_block CEDPACo _[local]_cod_cif_authors_sg_H-M 'P 21/n' _cod_database_code 2009051 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' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol Co1 .68199(5) .135005(13) .78312(3) .02748(10) Uani d . 1 . . Co Cl1 .19073(18) .07970(5) .43215(8) .0824(4) Uani d . 1 B . Cl Cl2 .12653(14) .14769(4) 1.18859(8) .0592(3) Uani d . 1 . . Cl Cl3 .76190(11) .08742(3) .63940(6) .0448(2) Uani d . 1 . . Cl Cl4 .73895(11) .09577(3) .94940(6) .04198(19) Uani d . 1 . . Cl Cl5 .79762(11) .21587(3) .78909(6) .0433(2) Uani d . 1 . . Cl Cl6 .39845(9) .14583(3) .75669(6) .03627(17) Uani d . 1 . . Cl N1 .2748(3) .02735(9) .74460(19) .0303(5) Uani d . 1 . . N H1 .3563 .0522 .7567 .030(8) Uiso calc R 1 A 1 H N2 .3070(3) .24053(8) 1.03794(18) .0251(5) Uani d . 1 . . N H2 .2861 .2461 1.1105 .041(9) Uiso calc R 1 . . H C11 .3049(5) .04857(15) .5465(3) .0505(9) Uani d . 1 . . C H11A .3523 .0160 .5224 .061 Uiso calc R 1 B . H H11B .3969 .0708 .5764 .061 Uiso calc R 1 . . H C12 .1873(4) .03849(12) .6333(2) .0372(7) Uani d . 1 B . C H12A .1159 .0090 .6104 .045 Uiso calc R 1 . . H H12B .1149 .0687 .6392 .045 Uiso calc R 1 . . H C13 .1502(5) .0358(2) .8332(3) .0714(13) Uani d . 1 B . C H13 .0909 .0676 .8070 .086 Uiso calc R 1 . . H C14 .2269(7) .05098(17) .9370(4) .0786(15) Uani d . 1 . . C H14A .2734 .0209 .9761 .118 Uiso calc R 1 B . H H14B .1444 .0670 .9801 .118 Uiso calc R 1 . . H H14C .3156 .0755 .9263 .118 Uiso calc R 1 . . H C15 .0125(4) -.00384(14) .8260(3) .0519(9) Uani d . 1 . . C H15A .0581 -.0373 .8486 .078 Uiso calc R 1 B . H H15B -.0371 -.0059 .7503 .078 Uiso calc R 1 . . H H15C -.0724 .0061 .8744 .078 Uiso calc R 1 . . H C21 .0548(4) .18565(13) 1.0703(3) .0484(8) Uani d . 1 . . C H21A -.0357 .1671 1.0278 .058 Uiso calc R 1 . . H H21B .0090 .2183 1.0956 .058 Uiso calc R 1 . . H C22 .1909(4) .19720(11) .9960(2) .0341(6) Uani d . 1 . . C H22A .1396 .2065 .9224 .041 Uiso calc R 1 . . H H22B .2572 .1658 .9879 .041 Uiso calc R 1 . . H C23 .2673(4) .29111(10) .9770(2) .0339(6) Uani d . 1 . . C H23 .3357 .3185 1.0156 .041 Uiso calc R 1 . . H C24 .0836(4) .30568(12) .9829(3) .0399(7) Uani d . 1 . . C H24A .0648 .3404 .9543 .060 Uiso calc R 1 . . H H24B .0561 .3043 1.0593 .060 Uiso calc R 1 . . H H24C .0134 .2816 .9389 .060 Uiso calc R 1 . . H C25 .3182(5) .28808(13) .8588(3) .0479(8) Uani d . 1 . . C H25A .4375 .2818 .8602 .072 Uiso calc R 1 . . H H25B .2913 .3204 .8209 .072 Uiso calc R 1 . . H H25C .2581 .2601 .8199 .072 Uiso calc R 1 . . H C26 .4911(4) .22440(12) 1.0397(3) .0365(7) Uani d . 1 . . C H26 .5132 .2118 .9652 .044 Uiso calc R 1 . . H C27 .6061(4) .27043(14) 1.0697(3) .0515(9) Uani d . 1 . . C H27A .5764 .2856 1.1386 .077 Uiso calc R 1 . . H H27B .5933 .2961 1.0112 .077 Uiso calc R 1 . . H H27C .7213 .2588 1.0783 .077 Uiso calc R 1 . . H C28 .5238(4) .18054(13) 1.1227(3) .0447(8) Uani d . 1 . . C H28A .5004 .1923 1.1958 .067 Uiso calc R 1 . . H H28B .6398 .1699 1.1239 .067 Uiso calc R 1 . . H H28C .4518 .1515 1.1011 .067 Uiso calc R 1 . . H C18 .5444(7) -.0155(2) .7599(7) .0411(16) Uani d PD .640(12) B 1 C H181 .5828 .0126 .8087 .062 Uiso calc PR .640(12) B 1 H H182 .5647 -.0069 .6843 .062 Uiso calc PR .640(12) B 1 H H183 .6045 -.0468 .7819 .062 Uiso calc PR .640(12) B 1 H C16 .3589(7) -.02380(19) .7675(6) .0315(14) Uani d PD .640(12) B 1 C H16 .3404 -.0346 .8439 .038 Uiso calc PR .640(12) B 1 H C17 .308(2) -.0700(6) .686(2) .066(6) Uani d PD .640(12) B 1 C H171 .2022 -.0844 .7037 .099 Uiso calc PR .640(12) B 1 H H172 .3937 -.0965 .6933 .099 Uiso calc PR .640(12) B 1 H H173 .2978 -.0573 .6102 .099 Uiso calc PR .640(12) B 1 H C8 .5343(13) -.0234(4) .8278(10) .044(3) Uani d PD .360(12) B 2 C H8A .5978 .0082 .8422 .065 Uiso calc PR .360(12) B 2 H H8B .6103 -.0517 .8168 .065 Uiso calc PR .360(12) B 2 H H8C .4706 -.0310 .8904 .065 Uiso calc PR .360(12) B 2 H C6 .4175(15) -.0166(3) .7261(9) .033(2) Uani d PD .360(12) B 2 C H6 .4794 -.0083 .6611 .039 Uiso calc PR .360(12) B 2 H C7 .297(3) -.0635(9) .701(3) .040(4) Uani d PD .360(12) B 2 C H7A .3390 -.0934 .7431 .059 Uiso calc PR .360(12) B 2 H H7B .2896 -.0714 .6229 .059 Uiso calc PR .360(12) B 2 H H7C .1862 -.0549 .7229 .059 Uiso calc PR .360(12) B 2 H 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 Co1 .0306(2) .02492(18) .02723(19) -.00207(15) .00406(15) .00232(14) Cl1 .1200(10) .0883(8) .0355(5) -.0231(7) -.0140(6) .0211(5) Cl2 .0755(7) .0507(5) .0541(5) -.0026(4) .0223(5) .0116(4) Cl3 .0518(5) .0491(4) .0336(4) .0202(4) .0051(3) -.0027(3) Cl4 .0617(5) .0335(4) .0307(4) .0013(3) .0035(3) .0071(3) Cl5 .0582(5) .0380(4) .0324(4) -.0226(4) -.0048(3) .0068(3) Cl6 .0306(4) .0341(4) .0449(4) .0002(3) .0078(3) -.0007(3) N1 .0349(13) .0278(11) .0276(12) -.0076(10) -.0005(10) -.0004(9) N2 .0276(12) .0247(10) .0228(11) -.0001(9) .0014(9) -.0036(8) C11 .055(2) .065(2) .0316(17) -.0087(18) .0021(15) .0001(15) C12 .0394(17) .0418(16) .0295(15) -.0022(13) -.0023(13) .0028(12) C13 .060(3) .114(4) .043(2) -.039(3) .0197(19) -.011(2) C14 .111(4) .066(3) .066(3) -.037(3) .053(3) -.029(2) C15 .0391(19) .0470(19) .070(2) -.0060(15) .0078(17) .0208(18) C21 .0431(19) .0413(18) .061(2) -.0090(15) .0045(17) .0063(16) C22 .0407(17) .0272(14) .0334(15) -.0053(12) -.0032(13) -.0040(11) C23 .0433(17) .0230(13) .0349(15) -.0012(12) .0010(13) .0009(11) C24 .0433(18) .0312(15) .0437(18) .0071(13) -.0049(14) -.0034(13) C25 .068(2) .0393(17) .0363(17) .0056(16) .0079(16) .0114(14) C26 .0300(15) .0445(17) .0350(16) .0066(13) .0034(13) -.0033(13) C27 .0312(17) .061(2) .062(2) -.0071(15) -.0012(16) -.0031(18) C28 .0433(19) .0454(18) .0440(19) .0179(15) -.0038(15) .0001(14) C18 .036(3) .039(3) .049(4) .003(2) .005(3) .001(3) C16 .034(3) .026(2) .035(3) .000(2) .003(2) .002(2) C17 .111(11) .026(5) .061(8) -.001(5) -.001(6) -.026(4) C8 .050(6) .039(5) .041(7) .000(4) .000(5) .004(4) C6 .033(6) .031(4) .034(5) -.005(4) .004(4) .000(4) C7 .062(10) .014(6) .041(9) .002(6) .001(6) -.018(6) 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 Co1 Cl4 . 2.2688(8) yes Co1 Cl3 . 2.2689(8) yes Co1 Cl5 . 2.2881(8) yes Co1 Cl6 . 2.2886(8) yes Cl1 C11 . 1.789(4) ? Cl2 C21 . 1.793(4) ? N1 C12 . 1.496(4) ? N1 C16 . 1.502(5) ? N1 C13 . 1.542(5) ? N1 C6 . 1.642(11) ? N1 H1 . .9200 ? N2 C22 . 1.518(3) ? N2 C23 . 1.524(3) ? N2 C26 . 1.534(4) ? N2 H2 . .9200 ? C11 C12 . 1.494(5) ? C11 H11A . .9800 ? C11 H11B . .9800 ? C12 H12A . .9800 ? C12 H12B . .9800 ? C13 C14 . 1.410(6) ? C13 C15 . 1.505(5) ? C13 H13 . .9900 ? C14 H14A . .9700 ? C14 H14B . .9700 ? C14 H14C . .9700 ? C15 H15A . .9700 ? C15 H15B . .9700 ? C15 H15C . .9700 ? C21 C22 . 1.503(5) ? C21 H21A . .9800 ? C21 H21B . .9800 ? C22 H22A . .9800 ? C22 H22B . .9800 ? C23 C25 . 1.524(4) ? C23 C24 . 1.529(4) ? C23 H23 . .9900 ? C24 H24A . .9700 ? C24 H24B . .9700 ? C24 H24C . .9700 ? C25 H25A . .9700 ? C25 H25B . .9700 ? C25 H25C . .9700 ? C26 C28 . 1.524(4) ? C26 C27 . 1.532(4) ? C26 H26 . .9900 ? C27 H27A . .9700 ? C27 H27B . .9700 ? C27 H27C . .9700 ? C28 H28A . .9700 ? C28 H28B . .9700 ? C28 H28C . .9700 ? C18 C16 . 1.514(8) ? C18 H181 . .9700 ? C18 H182 . .9700 ? C18 H183 . .9700 ? C16 C17 . 1.583(12) ? C16 H16 . .9900 ? C17 H171 . .9700 ? C17 H172 . .9700 ? C17 H173 . .9700 ? C8 C6 . 1.495(12) ? C8 H8A . .9700 ? C8 H8B . .9700 ? C8 H8C . .9700 ? C6 C7 . 1.569(15) ? C6 H6 . .9900 ? C7 H7A . .9700 ? C7 H7B . .9700 ? C7 H7C . .9700 ? 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' N N 0.0061 0.0033 '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' Co Co 0.3494 0.9721 '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 Cl4 Co1 Cl3 112.96(3) yes Cl4 Co1 Cl5 109.28(3) yes Cl3 Co1 Cl5 112.38(4) yes Cl4 Co1 Cl6 107.66(3) yes Cl3 Co1 Cl6 107.49(3) yes Cl5 Co1 Cl6 106.76(3) yes C12 N1 C16 120.4(3) ? C12 N1 C13 108.5(3) ? C16 N1 C13 107.7(4) ? C12 N1 C6 106.9(4) ? C16 N1 C6 26.7(3) ? C13 N1 C6 133.9(5) ? C12 N1 H1 106.5 ? C16 N1 H1 106.5 ? C13 N1 H1 106.5 ? C6 N1 H1 90.6 ? C22 N2 C23 112.0(2) ? C22 N2 C26 111.5(2) ? C23 N2 C26 113.7(2) ? C22 N2 H2 106.3 ? C23 N2 H2 106.3 ? C26 N2 H2 106.3 ? C12 C11 Cl1 108.1(3) ? C12 C11 H11A 110.1 ? Cl1 C11 H11A 110.1 ? C12 C11 H11B 110.1 ? Cl1 C11 H11B 110.1 ? H11A C11 H11B 108.4 ? C11 C12 N1 113.1(3) ? C11 C12 H12A 109.0 ? N1 C12 H12A 109.0 ? C11 C12 H12B 109.0 ? N1 C12 H12B 109.0 ? H12A C12 H12B 107.8 ? C14 C13 C15 120.3(4) ? C14 C13 N1 113.6(3) ? C15 C13 N1 112.3(3) ? C14 C13 H13 102.5 ? C15 C13 H13 102.5 ? N1 C13 H13 102.5 ? 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 ? C13 C15 H15A 109.5 ? C13 C15 H15B 109.5 ? H15A C15 H15B 109.5 ? C13 C15 H15C 109.5 ? H15A C15 H15C 109.5 ? H15B C15 H15C 109.5 ? C22 C21 Cl2 112.8(2) ? C22 C21 H21A 109.0 ? Cl2 C21 H21A 109.0 ? C22 C21 H21B 109.0 ? Cl2 C21 H21B 109.0 ? H21A C21 H21B 107.8 ? C21 C22 N2 113.7(3) ? C21 C22 H22A 108.8 ? N2 C22 H22A 108.8 ? C21 C22 H22B 108.8 ? N2 C22 H22B 108.8 ? H22A C22 H22B 107.7 ? N2 C23 C25 110.5(2) ? N2 C23 C24 110.6(2) ? C25 C23 C24 113.1(3) ? N2 C23 H23 107.5 ? C25 C23 H23 107.5 ? C24 C23 H23 107.5 ? C23 C24 H24A 109.5 ? C23 C24 H24B 109.5 ? H24A C24 H24B 109.5 ? C23 C24 H24C 109.5 ? H24A C24 H24C 109.5 ? H24B C24 H24C 109.5 ? C23 C25 H25A 109.5 ? C23 C25 H25B 109.5 ? H25A C25 H25B 109.5 ? C23 C25 H25C 109.5 ? H25A C25 H25C 109.5 ? H25B C25 H25C 109.5 ? C28 C26 C27 110.8(3) ? C28 C26 N2 108.9(2) ? C27 C26 N2 110.6(2) ? C28 C26 H26 108.8 ? C27 C26 H26 108.8 ? N2 C26 H26 108.8 ? C26 C27 H27A 109.5 ? C26 C27 H27B 109.5 ? H27A C27 H27B 109.5 ? C26 C27 H27C 109.5 ? H27A C27 H27C 109.5 ? H27B C27 H27C 109.5 ? C26 C28 H28A 109.5 ? C26 C28 H28B 109.5 ? H28A C28 H28B 109.5 ? C26 C28 H28C 109.5 ? H28A C28 H28C 109.5 ? H28B C28 H28C 109.5 ? C16 C18 H181 109.5 ? C16 C18 H182 109.5 ? H181 C18 H182 109.5 ? C16 C18 H183 109.5 ? H181 C18 H183 109.5 ? H182 C18 H183 109.5 ? N1 C16 C18 107.0(5) ? N1 C16 C17 117.5(9) ? C18 C16 C17 105.8(10) ? N1 C16 H16 108.8 ? C18 C16 H16 108.8 ? C17 C16 H16 108.8 ? C16 C17 H171 109.5 ? C16 C17 H172 109.5 ? H171 C17 H172 109.5 ? C16 C17 H173 109.5 ? H171 C17 H173 109.5 ? H172 C17 H173 109.5 ? C6 C8 H8A 109.5 ? C6 C8 H8B 109.5 ? H8A C8 H8B 109.5 ? C6 C8 H8C 109.5 ? H8A C8 H8C 109.5 ? H8B C8 H8C 109.5 ? C8 C6 C7 113.7(14) ? C8 C6 N1 111.4(8) ? C7 C6 N1 97.8(14) ? C8 C6 H6 111.1 ? C7 C6 H6 111.1 ? N1 C6 H6 111.1 ? C6 C7 H7A 109.5 ? C6 C7 H7B 109.5 ? H7A C7 H7B 109.5 ? C6 C7 H7C 109.5 ? H7A C7 H7C 109.5 ? H7B C7 H7C 109.5 ? loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA N1 H1 Cl6 . 0.92 2.45 3.222(2) 142 N2 H2 Cl5 4_566 0.92 2.37 3.253(2) 160 C21 H21A Cl4 1_455 0.98 2.70 3.656(4) 165 C12 H12B Cl3 1_455 0.98 2.87 3.648(3) 136 C14 H14C Cl6 . 0.97 2.87 3.633(4) 137 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 Cl1 C11 C12 N1 -162.8(2) yes Cl2 C21 C22 N2 -78.7(3) yes H2 N2 C23 H23 56.1 yes H2 N2 C26 H26 169.6 yes H1 N1 C13 H13 72.9 yes H1 N1 C16 H16 97.4 yes H1 N1 C6 H6 -62.8 yes _journal_paper_doi 10.1107/S0108270199007362