#------------------------------------------------------------------------------ #$Date: 2018-09-23 20:13:03 +0300 (Sun, 23 Sep 2018) $ #$Revision: 211129 $ #$URL: file:///home/coder/svn-repositories/cod/cif/4/50/46/4504658.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_4504658 loop_ _publ_author_name 'Hulme, Ashley T.' 'Tocher, Derek A.' _publ_section_title ; The Discovery of New Crystal Forms of 5-Fluorocytosine Consistent with the Results of Computational Crystal Structure Prediction ; _journal_coden_ASTM CGDEFU _journal_issue 2 _journal_name_full 'Crystal Growth & Design' _journal_page_first 481 _journal_page_last 487 _journal_paper_doi 10.1021/cg050398g _journal_volume 6 _journal_year 2006 _chemical_formula_moiety 'C4 H4 F N3 O' _chemical_formula_sum 'C4 H4 F N3 O' _chemical_formula_weight 129.10 _chemical_name_systematic ; 5-fluorocytosine Form 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' _atom_sites_solution_hydrogens difmap _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 92.986(2) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 4.0629(4) _cell_length_b 9.5211(9) _cell_length_c 12.7386(12) _cell_measurement_reflns_used 2621 _cell_measurement_temperature 150(2) _cell_measurement_theta_max 28.267 _cell_measurement_theta_min 2.672 _cell_volume 492.10(8) _computing_cell_refinement 'Bruker SAINT' _computing_data_collection 'Bruker SMART' _computing_data_reduction 'Bruker SAINT' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _diffrn_ambient_temperature 150(2) _diffrn_measured_fraction_theta_full 0.999 _diffrn_measured_fraction_theta_max 0.961 _diffrn_measurement_device_type 'Bruker SMART APEX diffractometer' _diffrn_measurement_method '\w rotation with narrow frames' _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 0.0132 _diffrn_reflns_av_sigmaI/netI 0.0119 _diffrn_reflns_limit_h_max 5 _diffrn_reflns_limit_h_min -5 _diffrn_reflns_limit_k_max 12 _diffrn_reflns_limit_k_min -12 _diffrn_reflns_limit_l_max 16 _diffrn_reflns_limit_l_min -16 _diffrn_reflns_number 4186 _diffrn_reflns_theta_full 26.00 _diffrn_reflns_theta_max 28.27 _diffrn_reflns_theta_min 2.67 _diffrn_standards_decay_% 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.155 _exptl_absorpt_correction_T_max 0.9863 _exptl_absorpt_correction_T_min 0.8995 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details 'SADABS (Sheldrick, 1996)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.743 _exptl_crystal_density_method 'not measured' _exptl_crystal_description plate _exptl_crystal_F_000 264 _exptl_crystal_size_max 0.70 _exptl_crystal_size_mid 0.25 _exptl_crystal_size_min 0.09 _refine_diff_density_max 0.412 _refine_diff_density_min -0.238 _refine_diff_density_rms 0.052 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.087 _refine_ls_hydrogen_treatment refall _refine_ls_matrix_type full _refine_ls_number_parameters 98 _refine_ls_number_reflns 1177 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.087 _refine_ls_R_factor_all 0.0357 _refine_ls_R_factor_gt 0.0341 _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^)+(0.0697P)^2^+0.1128P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1083 _refine_ls_wR_factor_ref 0.1108 _reflns_number_gt 1104 _reflns_number_total 1177 _reflns_threshold_expression I>2\s(I) _cod_data_source_file cg050398gsi20050809_092759.cif _cod_data_source_block str0362 _cod_original_sg_symbol_H-M P21/n _cod_database_code 4504658 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_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag F5 F 0.10993(16) 0.36410(6) 0.49061(5) 0.0220(2) Uani 1 1 d O2 O 0.8504(2) 0.36521(7) 0.15717(6) 0.0212(2) Uani 1 1 d N1 N 0.5737(2) 0.48735(9) 0.27752(6) 0.0158(2) Uani 1 1 d H1 H 0.649(4) 0.5685(19) 0.2540(13) 0.038(4) Uiso 1 1 d N3 N 0.6112(2) 0.23985(8) 0.28550(6) 0.0158(2) Uani 1 1 d H2 H 0.456(3) 0.0434(15) 0.3953(11) 0.025(3) Uiso 1 1 d H3 H 0.284(4) 0.1270(14) 0.4783(13) 0.031(4) Uiso 1 1 d N4 N 0.3698(2) 0.12218(9) 0.42013(7) 0.0196(2) Uani 1 1 d C2 C 0.6827(2) 0.36275(9) 0.23619(8) 0.0153(2) Uani 1 1 d C4 C 0.4318(2) 0.24128(10) 0.37030(7) 0.0147(2) Uani 1 1 d C5 C 0.3036(3) 0.37024(9) 0.40769(8) 0.0153(2) Uani 1 1 d C6 C 0.3820(2) 0.49195(10) 0.36184(7) 0.0158(2) Uani 1 1 d H4 H 0.324(3) 0.5837(15) 0.3839(10) 0.022(3) Uiso 1 1 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 F5 0.0272(4) 0.0184(4) 0.0216(4) 0.0008(2) 0.0130(3) 0.0028(2) O2 0.0305(4) 0.0164(4) 0.0175(4) -0.0009(2) 0.0097(3) -0.0016(3) N1 0.0206(4) 0.0110(4) 0.0160(4) 0.0007(3) 0.0031(3) -0.0004(3) N3 0.0208(4) 0.0120(4) 0.0147(4) -0.0003(3) 0.0030(3) 0.0009(3) N4 0.0288(5) 0.0141(4) 0.0166(5) 0.0013(3) 0.0075(4) 0.0021(3) C2 0.0183(5) 0.0137(5) 0.0138(5) -0.0008(3) 0.0007(3) -0.0006(3) C4 0.0161(4) 0.0140(5) 0.0140(5) -0.0006(3) -0.0002(3) 0.0002(3) C5 0.0162(5) 0.0162(5) 0.0139(5) -0.0005(3) 0.0036(3) 0.0013(3) C6 0.0176(5) 0.0135(5) 0.0163(5) -0.0016(3) 0.0012(4) 0.0018(3) 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' F F 0.0171 0.0103 '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 C6 N1 C2 122.50(8) C6 N1 H1 117.4(10) C2 N1 H1 119.7(10) C4 N3 C2 120.11(8) C4 N4 H2 117.4(9) C4 N4 H3 118.3(9) H2 N4 H3 123.3(13) O2 C2 N3 121.76(8) O2 C2 N1 119.50(8) N3 C2 N1 118.71(9) N4 C4 N3 120.18(8) N4 C4 C5 119.58(9) N3 C4 C5 120.25(8) C6 C5 F5 122.56(8) C6 C5 C4 119.93(9) F5 C5 C4 117.50(8) C5 C6 N1 118.30(8) C5 C6 H4 126.5(8) N1 C6 H4 115.2(8) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance F5 C5 1.3510(11) O2 C2 1.2446(12) N1 C6 1.3599(12) N1 C2 1.3802(12) N1 H1 0.889(18) N3 C4 1.3343(12) N3 C2 1.3666(12) N4 C4 1.3299(12) N4 H2 0.893(15) N4 H3 0.837(16) C4 C5 1.4253(13) C5 C6 1.3434(13) C6 H4 0.952(14) loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA _geom_hbond_site_symmetry_A N4 H3 O2 0.837(16) 2.282(17) 3.0271(12) 148.5(15) 4_566 N4 H2 O2 0.893(15) 2.000(15) 2.8921(11) 178.8(13) 2_645 N1 H1 N3 0.889(18) 1.978(18) 2.8583(12) 170.2(15) 2_655