#------------------------------------------------------------------------------ #$Date: 2008-03-30 11:21:05 +0100 (Sun, 30 Mar 2008) $ #$Revision: 321 $ #$URL: svn://www.crystallography.net/cod/cif/2/2204469.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_2204469 loop_ _publ_author_name 'P. G. Aravindan' 'S. Selvanayagam' 'D. Velmurugan' 'K. Ravikumar' 'S. Saravanan' 'P. C. Srinivasan' _publ_section_title ; 1,2-Bis(2,4-dinitrophenoxy)ethane ; _journal_issue 11 _journal_name_full 'Acta Crystallographica, Section E' _journal_page_first o2056 _journal_page_last o2058 _journal_volume 60 _journal_year 2004 _chemical_formula_iupac 'C14 H10 N4 O10' _chemical_formula_moiety 'C14 H10 N4 O10' _chemical_formula_sum 'C14 H10 N4 O10' _chemical_formula_weight 394.26 _chemical_name_systematic ; 1,2-Bis(2,4-dinitrophenoxy)ethane ; _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 2/c' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 95.146(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 6.88760(10) _cell_length_b 13.92890(10) _cell_length_c 16.5396(5) _cell_measurement_reflns_used 2638 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 27.88 _cell_measurement_theta_min 2.47 _cell_volume 1580.36(5) _computing_cell_refinement 'SAINT (Bruker, 2001)' _computing_data_collection 'SMART (Bruker, 2001)' _computing_data_reduction SAINT _computing_molecular_graphics ; ZORTEP (Zsolnai, 1997) and PLATON (Spek, 1990) ; _computing_publication_material 'SHELXL97 and PARST (Nardelli, 1995)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.994 _diffrn_measured_fraction_theta_max 0.933 _diffrn_measurement_device_type 'Bruker SMART CCD area-detector' _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 0.0154 _diffrn_reflns_av_sigmaI/netI 0.0175 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min -6 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min -15 _diffrn_reflns_limit_l_max 21 _diffrn_reflns_limit_l_min -21 _diffrn_reflns_number 4664 _diffrn_reflns_theta_full 25.00 _diffrn_reflns_theta_max 28.03 _diffrn_reflns_theta_min 2.47 _diffrn_standards_decay_% 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.144 _exptl_absorpt_correction_type none _exptl_crystal_colour yellow _exptl_crystal_density_diffrn 1.657 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Block _exptl_crystal_F_000 808 _exptl_crystal_size_max 0.26 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.12 _refine_diff_density_max 0.381 _refine_diff_density_min -0.247 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.009 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 127 _refine_ls_number_reflns 1792 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.009 _refine_ls_R_factor_all 0.0539 _refine_ls_R_factor_gt 0.0482 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = 1/[\s^2^(Fo^2^)+(0.0894P)^2^+0.878P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1400 _refine_ls_wR_factor_ref 0.1477 _reflns_number_gt 1542 _reflns_number_total 1792 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file ci6466.cif loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y, -z+1/2' 'x+1/2, y+1/2, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y, z-1/2' '-x+1/2, -y+1/2, -z' 'x+1/2, -y+1/2, z-1/2' 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' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 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_type_symbol O1 0.3837(2) 0.23623(9) -0.07525(7) 0.0646(4) Uani d . 1 O O2 0.4657(3) 0.09374(9) -0.04384(9) 0.0793(5) Uani d . 1 O O3 0.7403(3) 0.00324(11) 0.21380(11) 0.0934(7) Uani d . 1 O O4 0.8188(3) 0.10809(13) 0.30593(8) 0.0812(6) Uani d . 1 O O5 0.51519(19) 0.37389(7) 0.01678(7) 0.0442(3) Uani d . 1 O N1 0.45934(19) 0.17840(9) -0.02822(7) 0.0384(3) Uani d . 1 N N2 0.7527(3) 0.08578(12) 0.23784(9) 0.0564(4) Uani d . 1 N C1 0.5714(2) 0.30735(10) 0.07237(8) 0.0358(3) Uani d . 1 C C2 0.5481(2) 0.20956(9) 0.05134(8) 0.0341(3) Uani d . 1 C C3 0.6079(2) 0.13769(10) 0.10523(9) 0.0384(4) Uani d . 1 C H3 0.5927 0.0735 0.0906 0.046 Uiso calc R 1 H C4 0.6908(2) 0.16298(11) 0.18121(9) 0.0418(4) Uani d . 1 C C5 0.7149(2) 0.25779(12) 0.20481(9) 0.0453(4) Uani d . 1 C H5 0.7704 0.2731 0.2565 0.054 Uiso calc R 1 H C6 0.6556(3) 0.32923(11) 0.15056(9) 0.0433(4) Uani d . 1 C H6 0.6717 0.3931 0.1660 0.052 Uiso calc R 1 H C7 0.5376(3) 0.47355(10) 0.03792(9) 0.0436(4) Uani d . 1 C H7A 0.6734 0.4890 0.0529 0.052 Uiso calc R 1 H H7B 0.4621 0.4896 0.0828 0.052 Uiso calc R 1 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 O1 0.1056(11) 0.0380(7) 0.0440(7) 0.0066(6) -0.0280(7) 0.0018(5) O2 0.1328(14) 0.0302(6) 0.0661(9) 0.0062(7) -0.0400(9) -0.0109(5) O3 0.1582(18) 0.0432(8) 0.0706(10) 0.0037(9) -0.0344(11) 0.0186(7) O4 0.1260(15) 0.0755(10) 0.0376(7) 0.0255(9) -0.0183(8) 0.0078(6) O5 0.0703(8) 0.0225(5) 0.0375(5) 0.0026(4) -0.0085(5) 0.0005(4) N1 0.0494(7) 0.0278(6) 0.0362(6) 0.0001(5) -0.0053(5) -0.0013(4) N2 0.0744(10) 0.0516(9) 0.0409(8) 0.0102(7) -0.0066(7) 0.0130(6) C1 0.0469(8) 0.0255(7) 0.0341(7) 0.0023(5) -0.0012(6) 0.0006(5) C2 0.0429(7) 0.0263(7) 0.0321(6) 0.0009(5) -0.0020(5) -0.0002(5) C3 0.0483(8) 0.0272(7) 0.0386(7) 0.0021(5) -0.0022(6) 0.0030(5) C4 0.0518(9) 0.0375(8) 0.0350(7) 0.0050(6) -0.0020(6) 0.0072(6) C5 0.0573(10) 0.0443(9) 0.0327(7) 0.0028(7) -0.0051(6) -0.0025(6) C6 0.0598(9) 0.0318(7) 0.0367(7) 0.0001(6) -0.0040(7) -0.0049(6) C7 0.0647(10) 0.0229(7) 0.0413(8) 0.0026(6) -0.0052(7) -0.0019(5) 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 O1 N1 . 1.205(2) y O2 N1 . 1.209(2) y O3 N2 . 1.217(2) y O4 N2 . 1.217(2) y O5 C1 . 1.338(2) ? O5 C7 . 1.437(2) ? N1 C2 . 1.466(2) ? N2 C4 . 1.464(2) ? C1 C6 . 1.403(2) ? C1 C2 . 1.411(2) ? C2 C3 . 1.379(2) ? C3 C4 . 1.379(2) ? C3 H3 . 0.93 ? C4 C5 . 1.383(2) ? C5 C6 . 1.377(2) ? C5 H5 . 0.93 ? C6 H6 . 0.93 ? C7 C7 5_665 1.506(3) y C7 H7A . 0.97 ? C7 H7B . 0.97 ? 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 C1 O5 C7 . . 118.90(10) y O1 N1 O2 . . 122.40(10) y O1 N1 C2 . . 120.20(10) ? O2 N1 C2 . . 117.40(10) ? O3 N2 O4 . . 123.6(2) y O3 N2 C4 . . 118.5(2) ? O4 N2 C4 . . 117.9(2) ? O5 C1 C6 . . 123.60(10) y O5 C1 C2 . . 118.70(10) ? C6 C1 C2 . . 117.70(10) y C3 C2 C1 . . 121.40(10) ? C3 C2 N1 . . 116.20(10) y C1 C2 N1 . . 122.40(10) y C2 C3 C4 . . 118.60(10) ? C2 C3 H3 . . 120.7 ? C4 C3 H3 . . 120.7 ? C3 C4 C5 . . 122.10(10) ? C3 C4 N2 . . 117.90(10) ? C5 C4 N2 . . 120.00(10) ? C6 C5 C4 . . 119.00(10) ? C6 C5 H5 . . 120.5 ? C4 C5 H5 . . 120.5 ? C5 C6 C1 . . 121.20(10) ? C5 C6 H6 . . 119.4 ? C1 C6 H6 . . 119.4 ? O5 C7 C7 . 5_665 104.4(2) yes O5 C7 H7A . . 110.9 ? C7 C7 H7A 5_665 . 110.9 ? O5 C7 H7B . . 110.9 ? C7 C7 H7B 5_665 . 110.9 ? H7A C7 H7B . . 108.9 ? 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_site_symmetry_4 _geom_torsion _geom_torsion_publ_flag C7 O5 C1 C6 . -1.4(2) yes C7 O5 C1 C2 . 179.71(14) ? O5 C1 C2 C3 . 178.27(13) ? C6 C1 C2 C3 . -0.7(2) ? O5 C1 C2 N1 . -1.9(2) ? C6 C1 C2 N1 . 179.09(13) ? O1 N1 C2 C3 . 171.65(15) ? O2 N1 C2 C3 . -8.3(2) ? O1 N1 C2 C1 . -8.2(2) ? O2 N1 C2 C1 . 171.86(17) ? C1 C2 C3 C4 . 0.4(2) ? N1 C2 C3 C4 . -179.42(14) ? C2 C3 C4 C5 . 0.2(2) ? C2 C3 C4 N2 . 179.73(14) ? O3 N2 C4 C3 . 4.8(3) ? O4 N2 C4 C3 . -177.17(18) ? O3 N2 C4 C5 . -175.72(19) ? O4 N2 C4 C5 . 2.4(3) ? C3 C4 C5 C6 . -0.5(3) ? N2 C4 C5 C6 . -179.99(15) ? C4 C5 C6 C1 . 0.1(3) ? O5 C1 C6 C5 . -178.49(15) ? C2 C1 C6 C5 . 0.4(2) ? C1 O5 C7 C7 5_665 179.55(16) y 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 C3 H3 O2 5_655 0.93 2.48 3.404(2) 176 C6 H6 O3 4_655 0.93 2.54 3.337(2) 144