#------------------------------------------------------------------------------ #$Date: 2008-04-03 13:11:48 +0300 (Thu, 03 Apr 2008) $ #$Revision: 326 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2216656.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_2216656 loop_ _publ_author_name 'Kang, Jun-Tao' 'Li, Zhi-Gang' 'Xu, Jing-Wei' 'Yang Wei' _publ_section_title ; 2-Chloro-5-nitropyrimidine ; _journal_coeditor_code LX2031 _journal_issue 12 _journal_name_full 'Acta Crystallographica, Section E' _journal_page_first o4815 _journal_page_last o4815 _journal_volume 63 _journal_year 2007 _chemical_formula_iupac 'C4 H2 Cl N3 O2' _chemical_formula_moiety 'C4 H2 Cl N3 O2' _chemical_formula_sum 'C4 H2 Cl N3 O2' _chemical_formula_weight 159.54 _chemical_name_systematic ; 2-Chloro-5-nitropyrimidine ; _symmetry_cell_setting Orthorhombic _symmetry_space_group_name_Hall 'P 2c -2n' _symmetry_space_group_name_H-M Pna2(1) _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 7.812(3) _cell_length_b 13.649(5) _cell_length_c 5.711(2) _cell_measurement_reflns_used 1404 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 25.21 _cell_measurement_theta_min 3.00 _cell_volume 608.9(4) _computing_cell_refinement 'SMART (Bruker, 1998)' _computing_data_collection 'SMART (Bruker, 1998)' _computing_data_reduction 'SAINT (Bruker, 1998)' _computing_molecular_graphics 'SHELXTL (Bruker, 1998)' _computing_publication_material 'SHELXTL (Bruker, 1998)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 293(2) _diffrn_detector_area_resol_mean 10.0 _diffrn_measured_fraction_theta_full 1.000 _diffrn_measured_fraction_theta_max 1.000 _diffrn_measurement_device_type 'Bruker APEX CCD area detector' _diffrn_measurement_method '\f and \w scans' _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 0.0208 _diffrn_reflns_av_sigmaI/netI 0.0218 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min -5 _diffrn_reflns_limit_k_max 16 _diffrn_reflns_limit_k_min -15 _diffrn_reflns_limit_l_max 6 _diffrn_reflns_limit_l_min -7 _diffrn_reflns_number 3197 _diffrn_reflns_theta_full 26.13 _diffrn_reflns_theta_max 26.13 _diffrn_reflns_theta_min 2.98 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.558 _exptl_absorpt_correction_T_max 0.9225 _exptl_absorpt_correction_T_min 0.8326 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SAINT-Plus; Bruker, 2003)' _exptl_crystal_colour white _exptl_crystal_density_diffrn 1.740 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 320 _exptl_crystal_size_max 0.34 _exptl_crystal_size_mid 0.29 _exptl_crystal_size_min 0.15 _refine_diff_density_max 0.146 _refine_diff_density_min -0.139 _refine_ls_abs_structure_details 'Flack (1983), 502 Friedel pairs' _refine_ls_abs_structure_Flack 0.06(10) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.078 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 91 _refine_ls_number_reflns 1169 _refine_ls_number_restraints 1 _refine_ls_restrained_S_all 1.077 _refine_ls_R_factor_all 0.0312 _refine_ls_R_factor_gt 0.0287 _refine_ls_shift/su_max <0.001 _refine_ls_shift/su_mean <0.001 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0313P)^2^+0.0657P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0658 _refine_ls_wR_factor_ref 0.0673 _reflns_number_gt 1096 _reflns_number_total 1169 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file lx2031.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' 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' Cl Cl 0.1484 0.1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _atom_site_type_symbol _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 Cl Cl 0.75367(8) 0.85258(4) 0.34560(17) 0.05833(18) Uani d . 1 N N1 0.1234(2) 0.89202(14) 0.8681(4) 0.0484(4) Uani d . 1 N N2 0.5619(2) 0.81848(14) 0.7062(4) 0.0534(5) Uani d . 1 N N3 0.4484(2) 0.92123(13) 0.4046(3) 0.0490(5) Uani d . 1 O O1 0.1184(2) 0.85840(12) 1.0650(3) 0.0640(5) Uani d . 1 O O2 0.0021(2) 0.93094(14) 0.7696(3) 0.0674(5) Uani d . 1 C C1 0.5650(3) 0.86551(15) 0.5040(4) 0.0422(5) Uani d . 1 C C2 0.4157(3) 0.82858(15) 0.8238(5) 0.0504(5) Uani d . 1 H H2 0.4031 0.7973 0.9675 0.061 Uiso calc R 1 C C3 0.3035(3) 0.92896(17) 0.5257(4) 0.0493(5) Uani d . 1 H H3 0.2139 0.9658 0.4648 0.059 Uiso calc R 1 C C4 0.2836(3) 0.88393(14) 0.7380(4) 0.0399(5) Uani d . 1 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 Cl 0.0457(3) 0.0646(3) 0.0648(4) 0.0038(2) 0.0151(2) -0.0001(3) N1 0.0424(10) 0.0470(9) 0.0557(13) -0.0028(7) 0.0050(10) -0.0133(10) N2 0.0443(11) 0.0585(11) 0.0576(12) 0.0109(9) 0.0063(9) 0.0079(10) N3 0.0449(10) 0.0574(10) 0.0446(12) 0.0075(8) 0.0009(9) 0.0050(8) O1 0.0587(11) 0.0789(13) 0.0543(12) -0.0009(8) 0.0135(9) -0.0041(9) O2 0.0389(9) 0.0829(11) 0.0803(14) 0.0144(8) 0.0019(8) -0.0077(10) C1 0.0370(11) 0.0421(11) 0.0476(13) -0.0006(9) 0.0044(10) -0.0046(10) C2 0.0483(13) 0.0530(12) 0.0500(12) 0.0048(9) 0.0105(12) 0.0082(11) C3 0.0426(11) 0.0550(13) 0.0504(13) 0.0091(10) -0.0051(11) -0.0016(11) C4 0.0340(11) 0.0369(10) 0.0490(13) 0.0000(8) 0.0000(9) -0.0072(10) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance Cl O1 1_654 3.270(2) Cl C1 . 1.738(2) N1 O1 . 1.215(3) N1 O2 . 1.223(2) N1 C4 . 1.459(3) N2 C1 . 1.322(3) N2 C2 . 1.332(3) N3 C1 . 1.315(3) N3 C3 . 1.330(3) C2 C4 . 1.370(3) C2 H2 . 0.9300 C3 C4 . 1.368(3) C3 H3 . 0.9300 loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_3 _geom_angle C1 Cl O1 1_654 172.5(2) O1 N1 O2 . 124.40(19) O1 N1 C4 . 118.04(19) O2 N1 C4 . 117.5(2) C1 N2 C2 . 114.0(2) C1 N3 C3 . 114.23(18) N3 C1 N2 . 130.2(2) N3 C1 Cl . 114.91(17) N2 C1 Cl . 114.89(17) N2 C2 C4 . 121.5(2) N2 C2 H2 . 119.2 C4 C2 H2 . 119.2 N3 C3 C4 . 121.5(2) N3 C3 H3 . 119.3 C4 C3 H3 . 119.3 C3 C4 C2 . 118.6(2) C3 C4 N1 . 121.0(2) C2 C4 N1 . 120.4(2) 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 C3 N3 C1 N2 -1.8(3) C3 N3 C1 Cl 178.81(16) C2 N2 C1 N3 1.2(4) C2 N2 C1 Cl -179.42(16) C1 N2 C2 C4 -0.4(3) C1 N3 C3 C4 1.6(3) N3 C3 C4 C2 -1.1(3) N3 C3 C4 N1 -179.3(2) N2 C2 C4 C3 0.4(3) N2 C2 C4 N1 178.66(19) O1 N1 C4 C3 -173.2(2) O2 N1 C4 C3 8.0(3) O1 N1 C4 C2 8.6(3) O2 N1 C4 C2 -170.2(2) 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 2_574 0.93 2.47 3.390(3) 173.8