#------------------------------------------------------------------------------ #$Date$ #$Revision$ #$URL$ #------------------------------------------------------------------------------ # # 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_2104199 loop_ _publ_author_name 'Cobo, Justo' 'Trilleras, Jorge' 'Quiroga, Jairo' 'Marchal, Antonio' 'Nogueras, Manuel' 'Low, John N.' 'Glidewell, Christopher' _publ_section_title ; N^6^-Substituted 2-amino-4-chloro-5-formylpyrimidines: puckered versus planar pyrimidine rings, and hydrogen-bonded aggregation in zero, one, two and three dimensions ; _journal_coeditor_code BM5057 _journal_issue 5 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 596 _journal_page_last 609 _journal_volume 64 _journal_year 2008 _chemical_formula_moiety 'C10 H13 Cl N4 O' _chemical_formula_sum 'C10 H13 Cl N4 O' _chemical_formula_weight 240.69 _chemical_name_systematic ; ? ; _space_group_IT_number 9 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall 'C -2yc' _symmetry_space_group_name_H-M 'C 1 c 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _cell_angle_alpha 90.00 _cell_angle_beta 116.535(7) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 14.4681(17) _cell_length_b 11.1378(17) _cell_length_c 7.4534(7) _cell_measurement_reflns_used 2460 _cell_measurement_temperature 120(2) _cell_measurement_theta_max 27.50 _cell_measurement_theta_min 4.41 _cell_volume 1074.5(2) _computing_cell_refinement 'DIRAX/LSQ (Duisenberg et al., 2000)' _computing_data_collection 'COLLECT (Hooft, 1999)' _computing_data_reduction 'EVALCCD (Duisenberg et al., 2003)' _computing_molecular_graphics 'PLATON (Spek, 2003)' _computing_publication_material 'SHELXL-97 & PRPKAPPA (Ferguson, 1999)' _computing_structure_refinement 'OSCAIL (McArdle, 2003) & SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'Sir2004 (Burla et al., 2005)' _diffrn_ambient_temperature 120(2) _diffrn_measured_fraction_theta_full 0.997 _diffrn_measured_fraction_theta_max 0.997 _diffrn_measurement_device_type 'Bruker-Nonius KappaCCD' _diffrn_measurement_method '\f & \w scans' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'Bruker-Nonius FR591 rotating anode' _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0496 _diffrn_reflns_av_sigmaI/netI 0.0482 _diffrn_reflns_limit_h_max 18 _diffrn_reflns_limit_h_min -18 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_k_min -14 _diffrn_reflns_limit_l_max 9 _diffrn_reflns_limit_l_min -9 _diffrn_reflns_number 12891 _diffrn_reflns_theta_full 27.50 _diffrn_reflns_theta_max 27.50 _diffrn_reflns_theta_min 4.41 _diffrn_standards_decay_% 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.340 _exptl_absorpt_correction_T_max 0.951 _exptl_absorpt_correction_T_min 0.896 _exptl_absorpt_correction_type Multi-scan _exptl_absorpt_process_details 'SADABS 2.10 (Sheldrick, 2003)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.488 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 504 _exptl_crystal_size_max 0.30 _exptl_crystal_size_mid 0.26 _exptl_crystal_size_min 0.15 _refine_diff_density_max 0.327 _refine_diff_density_min -0.280 _refine_ls_abs_structure_details 'Flack (1983), 1219 Friedel pairs' _refine_ls_abs_structure_Flack 0.07(7) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.112 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 145 _refine_ls_number_reflns 2460 _refine_ls_number_restraints 2 _refine_ls_restrained_S_all 1.111 _refine_ls_R_factor_all 0.0613 _refine_ls_R_factor_gt 0.0378 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0345P)^2^+0.8328P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0756 _refine_ls_wR_factor_ref 0.0870 _reflns_number_gt 1972 _reflns_number_total 2460 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file bm5057.cif _[local]_cod_data_source_block XII _[local]_cod_cif_authors_sg_H-M 'C c' 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' Cl Cl 0.1484 0.1585 '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_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 N N1 0.59294(17) 0.3488(2) 0.4572(3) 0.0161(5) Uani d . 1 N N2 0.51703(17) 0.4914(2) 0.5696(3) 0.0219(5) Uani d . 1 C C2 0.6028(2) 0.4360(2) 0.5881(4) 0.0173(5) Uani d . 1 N N3 0.69313(17) 0.47822(19) 0.7374(3) 0.0188(5) Uani d . 1 C C4 0.77235(19) 0.4102(2) 0.7720(4) 0.0168(5) Uani d . 1 Cl Cl4 0.88693(5) 0.45866(5) 0.97132(8) 0.02421(16) Uani d . 1 C C5 0.7727(2) 0.3043(2) 0.6698(4) 0.0175(6) Uani d . 1 C C51 0.8463(2) 0.2113(2) 0.7736(4) 0.0181(5) Uani d . 1 O O51 0.83796(14) 0.10397(15) 0.7284(3) 0.0214(4) Uani d . 1 C C6 0.67916(19) 0.2882(2) 0.4875(4) 0.0159(6) Uani d . 1 N N61 0.67345(16) 0.21224(18) 0.3428(3) 0.0168(5) Uani d . 1 C C62 0.7639(2) 0.1678(2) 0.3234(4) 0.0196(6) Uani d . 1 C C63 0.7551(2) 0.1935(3) 0.1173(4) 0.0247(6) Uani d . 1 C C64 0.6546(2) 0.1463(3) -0.0465(4) 0.0271(7) Uani d . 1 C C65 0.5642(2) 0.2008(3) -0.0246(4) 0.0249(6) Uani d . 1 C C66 0.5741(2) 0.1725(2) 0.1831(4) 0.0200(6) Uani d . 1 H H2A 0.4565 0.4702 0.4736 0.026 Uiso calc R 1 H H2B 0.5211 0.5491 0.6534 0.026 Uiso calc R 1 H H51 0.9072 0.2348 0.8881 0.022 Uiso calc R 1 H H62A 0.7706 0.0802 0.3480 0.023 Uiso calc R 1 H H62B 0.8270 0.2068 0.4258 0.023 Uiso calc R 1 H H63A 0.8138 0.1557 0.1045 0.030 Uiso calc R 1 H H63B 0.7590 0.2813 0.1008 0.030 Uiso calc R 1 H H64A 0.6499 0.1671 -0.1795 0.033 Uiso calc R 1 H H64B 0.6525 0.0578 -0.0372 0.033 Uiso calc R 1 H H65A 0.4986 0.1677 -0.1284 0.030 Uiso calc R 1 H H65B 0.5634 0.2889 -0.0433 0.030 Uiso calc R 1 H H66A 0.5173 0.2125 0.1999 0.024 Uiso calc R 1 H H66B 0.5670 0.0848 0.1949 0.024 Uiso calc R 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 N1 0.0175(11) 0.0152(11) 0.0167(11) 0.0006(9) 0.0086(9) 0.0000(9) N2 0.0183(12) 0.0219(11) 0.0214(11) 0.0022(9) 0.0051(9) -0.0075(9) C2 0.0164(13) 0.0184(14) 0.0162(12) -0.0011(10) 0.0065(11) 0.0013(10) N3 0.0162(11) 0.0205(12) 0.0165(11) -0.0013(9) 0.0043(9) -0.0032(9) C4 0.0144(13) 0.0178(13) 0.0153(12) -0.0042(10) 0.0039(10) 0.0023(10) Cl4 0.0198(3) 0.0256(3) 0.0210(3) -0.0033(3) 0.0036(2) -0.0050(3) C5 0.0170(13) 0.0201(13) 0.0172(13) 0.0011(11) 0.0094(11) 0.0014(11) C51 0.0173(13) 0.0206(13) 0.0168(13) -0.0017(11) 0.0080(11) -0.0002(11) O51 0.0209(10) 0.0188(10) 0.0215(10) 0.0016(8) 0.0067(8) 0.0025(8) C6 0.0153(13) 0.0200(14) 0.0114(13) -0.0003(11) 0.0050(11) 0.0016(10) N61 0.0164(11) 0.0177(11) 0.0163(10) 0.0000(9) 0.0073(9) -0.0027(9) C62 0.0189(14) 0.0214(14) 0.0188(14) 0.0017(10) 0.0088(12) -0.0014(11) C63 0.0259(15) 0.0292(15) 0.0230(15) -0.0007(12) 0.0144(13) -0.0001(12) C64 0.0355(17) 0.0314(17) 0.0173(15) -0.0027(14) 0.0144(14) -0.0005(13) C65 0.0287(16) 0.0225(14) 0.0165(14) -0.0007(13) 0.0037(12) -0.0004(11) C66 0.0178(14) 0.0199(13) 0.0196(14) -0.0014(11) 0.0060(11) -0.0044(11) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag N1 C2 1.338(3) no N1 C6 1.345(3) no N2 C2 1.337(3) no N2 H2A 0.88 no N2 H2B 0.88 no C2 N3 1.367(3) no N3 C4 1.300(3) no C4 C5 1.405(4) no C4 Cl4 1.745(3) no C5 C6 1.438(3) no C5 C51 1.439(4) no C51 O51 1.233(3) no C51 H51 0.95 no C6 N61 1.344(3) no N61 C62 1.466(3) no N61 C66 1.467(3) no C62 C63 1.510(4) no C62 H62A 0.99 no C62 H62B 0.99 no C63 C64 1.515(4) no C63 H63A 0.99 no C63 H63B 0.99 no C64 C65 1.515(4) no C64 H64A 0.99 no C64 H64B 0.99 no C65 C66 1.523(4) no C65 H65A 0.99 no C65 H65B 0.99 no C66 H66A 0.99 no C66 H66B 0.99 no 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 C2 N1 C6 116.9(2) no C2 N2 H2A 120.0 no C2 N2 H2B 120.0 no H2A N2 H2B 120.0 no N2 C2 N1 117.9(2) no N2 C2 N3 115.5(2) no N1 C2 N3 126.5(2) no C4 N3 C2 113.5(2) no N3 C4 C5 126.7(2) no N3 C4 Cl4 113.96(19) no C5 C4 Cl4 119.28(19) no C4 C5 C6 112.8(2) no C4 C5 C51 119.6(2) no C6 C5 C51 125.2(2) no O51 C51 C5 126.4(2) no O51 C51 H51 116.8 no C5 C51 H51 116.8 no N61 C6 N1 117.4(2) no N61 C6 C5 122.1(2) no N1 C6 C5 120.5(2) no C6 N61 C62 123.6(2) no C6 N61 C66 121.9(2) no C62 N61 C66 114.4(2) no N61 C62 C63 111.2(2) no N61 C62 H62A 109.4 no C63 C62 H62A 109.4 no N61 C62 H62B 109.4 no C63 C62 H62B 109.4 no H62A C62 H62B 108.0 no C62 C63 C64 111.6(2) no C62 C63 H63A 109.3 no C64 C63 H63A 109.3 no C62 C63 H63B 109.3 no C64 C63 H63B 109.3 no H63A C63 H63B 108.0 no C65 C64 C63 109.7(2) no C65 C64 H64A 109.7 no C63 C64 H64A 109.7 no C65 C64 H64B 109.7 no C63 C64 H64B 109.7 no H64A C64 H64B 108.2 no C64 C65 C66 109.4(2) no C64 C65 H65A 109.8 no C66 C65 H65A 109.8 no C64 C65 H65B 109.8 no C66 C65 H65B 109.8 no H65A C65 H65B 108.2 no N61 C66 C65 112.0(2) no N61 C66 H66A 109.2 no C65 C66 H66A 109.2 no N61 C66 H66B 109.2 no C65 C66 H66B 109.2 no H66A C66 H66B 107.9 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 C6 N1 C2 N2 -175.2(2) no C6 N1 C2 N3 7.2(4) no N2 C2 N3 C4 169.3(2) no N1 C2 N3 C4 -13.0(4) no C2 N3 C4 C5 1.7(4) no C2 N3 C4 Cl4 -176.73(18) no N3 C4 C5 C6 12.8(4) no Cl4 C4 C5 C6 -168.76(18) no N3 C4 C5 C51 -150.4(3) no Cl4 C4 C5 C51 28.0(3) no C4 C5 C51 O51 157.1(3) no C6 C5 C51 O51 -3.9(4) no C2 N1 C6 N61 -171.0(2) no C2 N1 C6 C5 9.8(4) no C4 C5 C6 N61 162.2(2) no C51 C5 C6 N61 -35.6(4) no C4 C5 C6 N1 -18.5(3) no C51 C5 C6 N1 143.6(3) no N1 C6 N61 C62 161.2(2) no C5 C6 N61 C62 -19.6(4) no N1 C6 N61 C66 -15.2(3) no C5 C6 N61 C66 164.1(2) no C6 N61 C62 C63 -124.8(3) no C66 N61 C62 C63 51.8(3) no N61 C62 C63 C64 -53.5(3) no C62 C63 C64 C65 57.3(3) no C63 C64 C65 C66 -57.3(3) no C6 N61 C66 C65 123.2(3) no C62 N61 C66 C65 -53.4(3) no C64 C65 C66 N61 55.4(3) 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 N2 H2A O51 4_454 0.88 2.04 2.902(3) 166 no N2 H2B N1 2_565 0.88 2.32 3.144(3) 155 no