#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/01/25/2012502.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_2012502 loop_ _publ_author_name 'Kooijman, Huub' 'Spek, Anthony L.' 'Albada, Gerard A. van' 'Reedijk, Jan' _publ_section_title catena-Poly[[dicyanamido(5,5'-dimethyl-2,2'-bipyridine-\k^2^N,N')copper(II)]-\m-dicyanamido-\k^2^N^1^:N^5^] _journal_issue 2 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first m124 _journal_page_last m126 _journal_volume 58 _journal_year 2002 _chemical_formula_iupac '[Cu (C2 N3)2 (C12 H12 N2)]' _chemical_formula_moiety 'C16 H12 Cu N8' _chemical_formula_structural 'Cu 2+ , 2C2 N3 1- , C12 H12 N2' _chemical_formula_sum 'C16 H12 Cu N8' _chemical_formula_weight 379.89 _chemical_name_systematic ; catena-Poly[[dicyanamido(5,5'-dimethyl-2,2'-bipyridine-N,N')copper(II)]-\m- dicyanamido-N^1^:N^5^] ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _cell_angle_alpha 90 _cell_angle_beta 104.175(10) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 7.5297(10) _cell_length_b 23.628(3) _cell_length_c 9.2916(10) _cell_measurement_reflns_used 569 _cell_measurement_temperature 150 _cell_measurement_theta_max 25.0 _cell_measurement_theta_min 2.0 _cell_volume 1602.8(3) _computing_cell_refinement 'DENZO (Otwinowski & Minor, 1997)' _computing_data_collection 'COLLECT (Nonius, 1998)' _computing_data_reduction DENZO _computing_molecular_graphics 'PLATON (Spek, 2001)' _computing_publication_material PLATON _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS86 (Sheldrick, 1990)' _diffrn_ambient_temperature 150 _diffrn_detector_area_resol_mean 18.4 _diffrn_measured_fraction_theta_full 1.00 _diffrn_measured_fraction_theta_max 1.00 _diffrn_measurement_device_type 'Nonius KappaCCD area-detector' _diffrn_measurement_method '\f scans, and \w scans with \k offset' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'rotating anode' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength .71073 _diffrn_reflns_av_R_equivalents .055 _diffrn_reflns_av_sigmaI/netI .027 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_k_max 30 _diffrn_reflns_limit_k_min -30 _diffrn_reflns_limit_l_max 12 _diffrn_reflns_limit_l_min -12 _diffrn_reflns_number 29951 _diffrn_reflns_reduction_process ; ? ; _diffrn_reflns_theta_full 27.43 _diffrn_reflns_theta_max 27.43 _diffrn_reflns_theta_min 1.72 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 1.380 _exptl_absorpt_correction_type none _exptl_crystal_colour blue _exptl_crystal_density_diffrn 1.574 _exptl_crystal_density_meas 'not measured' _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 772 _exptl_crystal_size_max .3 _exptl_crystal_size_mid .2 _exptl_crystal_size_min .2 _refine_diff_density_max .33 _refine_diff_density_min -.43 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.058 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 228 _refine_ls_number_reflns 3647 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.058 _refine_ls_R_factor_all .034 _refine_ls_R_factor_gt .027 _refine_ls_shift/su_max .001 _refine_ls_shift/su_mean .000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(F~o~^2^)+(0.0312P)^2^+1.15P] where P=(F~o~^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt .070 _refine_ls_wR_factor_ref .073 _reflns_number_gt 3199 _reflns_number_total 3647 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file gg1091.cif _[local]_cod_data_source_block I _[local]_cod_cif_authors_sg_H-M 'P 21/c' _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_database_code 2012502 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,1/2+y,1/2-z -x,-y,-z 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 Cu1 .01690(10) .01510(10) .01670(10) .00120(10) -.00030(10) -.00030(10) N1 .0496(11) .0193(8) .0231(8) -.0004(8) -.0054(8) -.0013(6) N2 .0753(15) .0269(10) .0282(10) -.0143(10) .0112(9) -.0022(8) N3 .0265(8) .0185(8) .0225(8) .0004(6) .0009(6) .0001(6) N4 .0159(7) .0310(9) .0193(7) -.0005(6) .0008(6) .0022(6) N5 .0201(8) .0232(8) .0286(8) -.0016(6) .0057(7) .0001(6) N6 .0189(8) .0225(8) .0224(8) .0009(6) .0028(6) .0017(6) N11 .0172(7) .0165(7) .0175(7) -.0001(6) .0016(6) .0010(6) N21 .0177(7) .0161(7) .0177(7) .0006(6) .0038(6) .0003(5) C1 .0277(10) .0242(10) .0181(9) .0024(8) .0022(7) -.0012(7) C2 .0217(9) .0169(9) .0216(9) .0030(7) .0021(7) .0031(7) C3 .0188(8) .0137(8) .0198(8) .0006(7) -.0010(7) -.0009(6) C4 .0223(9) .0134(8) .0156(8) -.0016(7) .0053(7) .0002(6) C12 .0197(8) .0171(8) .0208(8) .0004(7) .0038(7) -.0006(7) C13 .0197(9) .0182(9) .0237(9) .0019(7) .0071(7) .0043(7) C14 .0261(10) .0263(10) .0203(9) .0052(8) .0008(7) .0051(7) C15 .0267(10) .0215(9) .0196(9) .0015(7) -.0002(7) -.0005(7) C16 .0181(8) .0169(8) .0179(8) -.0007(7) .0040(7) .0006(6) C17 .0289(10) .0204(9) .0284(10) .0055(8) .0068(8) .0047(7) C22 .0212(9) .0169(8) .0194(8) .0018(7) .0035(7) .0026(7) C23 .0235(9) .0164(8) .0223(9) -.0005(7) .0071(7) .0015(7) C24 .0265(9) .0182(9) .0215(9) -.0019(7) .0066(7) -.0030(7) C25 .0232(9) .0212(9) .0182(8) -.0008(7) .0018(7) .0007(7) C26 .0175(8) .0175(8) .0192(8) -.0006(7) .0035(7) .0015(6) C27 .0346(11) .0174(9) .0258(10) .0035(8) .0049(8) .0016(7) 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_type_symbol Cu1 .92344(3) .111890(10) .34920(2) .01700(10) Uani . . 1.000 Cu N1 1.1136(3) .24195(7) .68048(19) .0332(5) Uani . . 1.000 N N2 1.1965(3) .34243(8) .6909(2) .0437(7) Uani . . 1.000 N N3 .9725(2) .18147(6) .47044(17) .0234(5) Uani . . 1.000 N N4 .4737(2) .06293(7) .59410(16) .0227(4) Uani . . 1.000 N N5 .7275(2) .07599(7) .47291(18) .0240(5) Uani . . 1.000 N N6 1.1490(2) .07578(6) .46986(17) .0217(5) Uani . . 1.000 N N11 .74664(19) .15045(6) .17939(16) .0175(4) Uani . . 1.000 N N21 .8693(2) .04704(6) .20603(15) .0173(4) Uani . . 1.000 N C1 1.1558(3) .29573(8) .6772(2) .0239(6) Uani . . 1.000 C C2 1.0395(2) .21286(7) .5632(2) .0206(5) Uani . . 1.000 C C3 .6026(2) .07021(7) .52289(19) .0184(5) Uani . . 1.000 C C4 1.3033(2) .07041(7) .52202(18) .0170(5) Uani . . 1.000 C C12 .6974(2) .20507(7) .1739(2) .0194(5) Uani . . 1.000 C C13 .5775(2) .22947(7) .0515(2) .0202(5) Uani . . 1.000 C C14 .5050(3) .19421(8) -.0675(2) .0251(6) Uani . . 1.000 C C15 .5569(3) .13790(8) -.0644(2) .0236(5) Uani . . 1.000 C C16 .6803(2) .11705(7) .06041(19) .0177(5) Uani . . 1.000 C C17 .5322(3) .29145(8) .0486(2) .0259(6) Uani . . 1.000 C C22 .9354(2) -.00544(7) .23325(19) .0194(5) Uani . . 1.000 C C23 .8893(2) -.04947(7) .1314(2) .0205(5) Uani . . 1.000 C C24 .7712(3) -.03694(8) -.0053(2) .0219(5) Uani . . 1.000 C C25 .7002(2) .01720(8) -.0337(2) .0214(5) Uani . . 1.000 C C26 .7502(2) .05849(7) .07514(19) .0182(5) Uani . . 1.000 C C27 .9657(3) -.10791(7) .1700(2) .0264(6) Uani . . 1.000 C H12 .74670 .22830 .25770 .0230 Uiso calc R 1.000 H H14 .41910 .20880 -.15180 .0300 Uiso calc R 1.000 H H15 .50850 .11390 -.14670 .0280 Uiso calc R 1.000 H H17A .54530 .30800 -.04500 .0390 Uiso calc R 1.000 H H17B .61600 .31050 .13200 .0390 Uiso calc R 1.000 H H17C .40590 .29630 .05690 .0390 Uiso calc R 1.000 H H22 1.01770 -.01300 .32640 .0230 Uiso calc R 1.000 H H24 .73920 -.06550 -.07910 .0260 Uiso calc R 1.000 H H25 .61840 .02590 -.12630 .0260 Uiso calc R 1.000 H H27A 1.06520 -.10620 .26040 .0400 Uiso calc R 1.000 H H27B 1.01300 -.12270 .08810 .0400 Uiso calc R 1.000 H H27C .86860 -.13290 .18650 .0400 Uiso calc R 1.000 H loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Cu1 N3 . . 1.9760(15) yes Cu1 N5 . . 2.2468(16) yes Cu1 N6 . . 1.9841(16) yes Cu1 N11 . . 2.0157(15) yes Cu1 N21 . . 2.0045(14) yes N1 C1 . . 1.312(3) no N1 C2 . . 1.294(2) no N2 C1 . . 1.144(3) no N3 C2 . . 1.155(2) no N4 C3 . . 1.313(2) no N4 C4 . 1_455 1.306(2) no N5 C3 . . 1.154(2) no N6 C4 . . 1.151(2) no N11 C12 . . 1.340(2) no N11 C16 . . 1.351(2) no N21 C22 . . 1.337(2) no N21 C26 . . 1.350(2) no C12 C13 . . 1.392(2) no C13 C14 . . 1.385(3) no C13 C17 . . 1.502(3) no C14 C15 . . 1.385(3) no C15 C16 . . 1.387(3) no C16 C26 . . 1.475(2) no C22 C23 . . 1.392(2) no C23 C24 . . 1.392(3) no C23 C27 . . 1.505(2) no C24 C25 . . 1.387(3) no C25 C26 . . 1.389(3) no C12 H12 . . .9507 no C14 H14 . . .9500 no C15 H15 . . .9501 no C17 H17A . . .9803 no C17 H17B . . .9807 no C17 H17C . . .9795 no C22 H22 . . .9499 no C24 H24 . . .9501 no C25 H25 . . .9499 no C27 H27A . . .9799 no C27 H27B . . .9802 no C27 H27C . . .9806 no loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source N N .0061 .0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Cu Cu .3201 1.2651 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H .0000 .0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' C C .0033 .0016 '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_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag N3 Cu1 N5 . . 94.41(6) yes N3 Cu1 N6 . . 91.20(6) yes N3 Cu1 N11 . . 93.76(6) yes N3 Cu1 N21 . . 173.50(6) yes N5 Cu1 N6 . . 97.30(6) yes N5 Cu1 N11 . . 100.40(6) yes N5 Cu1 N21 . . 89.92(6) yes N6 Cu1 N11 . . 161.18(6) yes N6 Cu1 N21 . . 93.05(6) yes N11 Cu1 N21 . . 80.68(6) yes C1 N1 C2 . . 123.50(17) no Cu1 N3 C2 . . 161.09(14) no C3 N4 C4 . 1_455 118.59(15) no Cu1 N5 C3 . . 162.21(15) no Cu1 N6 C4 . . 157.12(14) no Cu1 N11 C12 . . 126.05(12) no Cu1 N11 C16 . . 114.68(11) no C12 N11 C16 . . 119.21(15) no Cu1 N21 C22 . . 125.28(11) no Cu1 N21 C26 . . 115.28(11) no C22 N21 C26 . . 119.39(14) no N1 C1 N2 . . 172.5(2) no N1 C2 N3 . . 171.53(19) no N4 C3 N5 . . 173.61(19) no N4 C4 N6 1_655 . 173.99(18) no N11 C12 C13 . . 123.22(16) no C12 C13 C14 . . 116.93(16) no C12 C13 C17 . . 121.15(16) no C14 C13 C17 . . 121.91(16) no C13 C14 C15 . . 120.47(17) no C14 C15 C16 . . 119.11(17) no N11 C16 C15 . . 120.98(16) no N11 C16 C26 . . 114.85(15) no C15 C16 C26 . . 124.17(16) no N21 C22 C23 . . 123.04(15) no C22 C23 C24 . . 117.29(16) no C22 C23 C27 . . 120.44(16) no C24 C23 C27 . . 122.27(16) no C23 C24 C25 . . 120.01(17) no C24 C25 C26 . . 119.09(16) no N21 C26 C16 . . 114.51(15) no N21 C26 C25 . . 121.13(15) no C16 C26 C25 . . 124.36(16) no N11 C12 H12 . . 118.42 no C13 C12 H12 . . 118.36 no C13 C14 H14 . . 119.70 no C15 C14 H14 . . 119.83 no C14 C15 H15 . . 120.40 no C16 C15 H15 . . 120.49 no C13 C17 H17A . . 109.45 no C13 C17 H17B . . 109.51 no C13 C17 H17C . . 109.46 no H17A C17 H17B . . 109.44 no H17A C17 H17C . . 109.50 no H17B C17 H17C . . 109.47 no N21 C22 H22 . . 118.45 no C23 C22 H22 . . 118.51 no C23 C24 H24 . . 119.99 no C25 C24 H24 . . 120.00 no C24 C25 H25 . . 120.41 no C26 C25 H25 . . 120.49 no C23 C27 H27A . . 109.50 no C23 C27 H27B . . 109.42 no C23 C27 H27C . . 109.49 no H27A C27 H27B . . 109.47 no H27A C27 H27C . . 109.49 no H27B C27 H27C . . 109.47 no loop_ _geom_contact_atom_site_label_1 _geom_contact_atom_site_label_2 _geom_contact_distance _geom_contact_site_symmetry_2 _geom_contact_publ_flag Cu1 N2 3.006(2) 4_554 no Cu1 C1 3.428(2) 4_554 no Cu1 H27A 3.6099 3_756 no N1 C12 3.361(3) 4_555 no N2 Cu1 3.006(2) 4_555 no N2 C24 3.371(3) 2_755 no N3 C1 3.385(3) 4_554 no N4 C3 3.332(2) 3_656 no N6 C22 3.411(2) 3_756 no N11 C1 3.338(3) 4_554 no N1 H14 2.5647 1_656 no N1 H17C 2.8666 4_655 no N1 H27C 2.8467 3_756 no N2 H27B 2.8080 2_755 no N2 H24 2.5085 2_755 no N3 H12 2.5251 . no N4 H15 2.6477 1_556 no N4 H25 2.7047 1_556 no N5 H27A 2.6818 3_756 no N5 H22 2.7606 3_756 no N6 H22 2.9195 3_756 no N6 H22 2.5513 . no C1 N11 3.338(3) 4_555 no C1 Cu1 3.428(2) 4_555 no C1 N3 3.385(3) 4_555 no C1 C12 3.444(3) 4_555 no C2 C12 3.571(2) 4_555 no C2 C27 3.513(2) 3_756 no C3 N4 3.332(2) 3_656 no C3 C4 3.444(2) 3_756 no C3 C17 3.329(3) 4_555 no C4 C3 3.444(2) 3_756 no C4 C22 3.572(2) 3_756 no C12 C1 3.444(3) 4_554 no C12 N1 3.361(3) 4_554 no C12 C2 3.571(2) 4_554 no C17 C3 3.329(3) 4_554 no C22 N6 3.411(2) 3_756 no C22 C24 3.558(3) 3_755 no C22 C4 3.572(2) 3_756 no C23 C25 3.512(2) 3_755 no C24 C22 3.558(3) 3_755 no C24 N2 3.371(3) 2_745 no C25 C23 3.512(2) 3_755 no C25 C25 3.327(2) 3_655 no C27 C2 3.513(2) 3_756 no C1 H14 3.0218 1_656 no C2 H27C 2.9443 3_756 no C2 H17C 2.7822 4_655 no C3 H17B 2.9887 4_555 no C3 H17A 2.9549 4_555 no C3 H27A 2.9271 3_756 no C15 H25 2.7711 . no C16 H27B 2.9691 3_755 no C25 H15 2.7684 . no C26 H27B 3.0176 3_755 no H12 N3 2.5251 . no H12 H17B 2.3541 . no H14 N1 2.5647 1_454 no H14 C1 3.0218 1_454 no H15 N4 2.6477 1_554 no H15 C25 2.7684 . no H15 H25 2.2287 . no H17A C3 2.9549 4_554 no H17B H12 2.3541 . no H17B C3 2.9887 4_554 no H17C N1 2.8666 4_454 no H17C C2 2.7822 4_454 no H22 N6 2.5513 . no H22 H27A 2.3368 . no H22 N5 2.7606 3_756 no H22 N6 2.9195 3_756 no H24 N2 2.5085 2_745 no H25 N4 2.7047 1_554 no H25 C15 2.7711 . no H25 H15 2.2287 . no H27A H22 2.3368 . no H27A Cu1 3.6099 3_756 no H27A N5 2.6818 3_756 no H27A C3 2.9271 3_756 no H27B N2 2.8080 2_745 no H27B C16 2.9691 3_755 no H27B C26 3.0176 3_755 no H27C N1 2.8467 3_756 no H27C C2 2.9443 3_756 no 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 _geom_hbond_publ_flag C12 H12 N3 . .95 2.53 3.066(2) 116 no C14 H14 N1 1_454 .95 2.56 3.473(3) 160 no C22 H22 N6 . .95 2.55 3.061(2) 114 no C24 H24 N2 2_745 .95 2.51 3.371(3) 151 no 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 N3 Cu1 N6 C4 -59.7(4) no N5 Cu1 N6 C4 -154.3(4) no N21 Cu1 N6 C4 115.4(4) no N3 Cu1 N11 C12 -.39(15) no N3 Cu1 N11 C16 177.04(12) no N5 Cu1 N11 C12 94.80(14) no N5 Cu1 N11 C16 -87.77(12) no N21 Cu1 N11 C12 -177.01(15) no N21 Cu1 N11 C16 .43(12) no N5 Cu1 N21 C22 -76.87(14) no N5 Cu1 N21 C26 100.36(13) no N6 Cu1 N21 C22 20.44(15) no N6 Cu1 N21 C26 -162.34(12) no N11 Cu1 N21 C22 -177.42(15) no N11 Cu1 N21 C26 -.20(12) no Cu1 N11 C12 C13 178.44(12) no C16 N11 C12 C13 1.1(2) no Cu1 N11 C16 C15 179.81(14) no Cu1 N11 C16 C26 -.56(18) no C12 N11 C16 C15 -2.6(3) no C12 N11 C16 C26 177.06(14) no Cu1 N21 C22 C23 178.07(12) no C26 N21 C22 C23 1.0(2) no Cu1 N21 C26 C16 -.04(19) no Cu1 N21 C26 C25 -179.69(12) no C22 N21 C26 C16 177.36(15) no C22 N21 C26 C25 -2.3(2) no N11 C12 C13 C17 -177.64(17) no N11 C12 C13 C14 1.3(3) no C12 C13 C14 C15 -2.3(3) no C17 C13 C14 C15 176.62(19) no C13 C14 C15 C16 1.0(3) no C14 C15 C16 C26 -178.05(18) no C14 C15 C16 N11 1.5(3) no N11 C16 C26 C25 -179.97(17) no C15 C16 C26 N21 -180.0(2) no C15 C16 C26 C25 -.3(3) no N11 C16 C26 N21 .4(2) no N21 C22 C23 C24 1.2(3) no N21 C22 C23 C27 -178.83(17) no C22 C23 C24 C25 -1.9(3) no C27 C23 C24 C25 178.04(18) no C23 C24 C25 C26 .7(3) no C24 C25 C26 N21 1.5(3) no C24 C25 C26 C16 -178.14(17) no _cod_database_fobs_code 2012502 _journal_paper_doi 10.1107/S0108270101021515