#------------------------------------------------------------------------------ #$Date: 2013-08-29 16:37:19 +0100 (Thu, 29 Aug 2013) $ #$Revision: 88064 $ #$URL: svn://www.crystallography.net/cod/cif/2/20/03/2200357.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_2200357 loop_ _publ_author_name 'Prager, Rolf H.' 'Smith, Jason A.' 'Tiekink, Edward R. T.' _publ_section_title ; Ethyl 3-methylimidazo[1,2-a]pyrimidine-2-carboxylate ; _journal_issue 5 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first o451 _journal_page_last o453 _journal_volume 57 _journal_year 2001 _chemical_formula_iupac 'C10 H11 N3 O2' _chemical_formula_moiety 'C10 H11 N3 O2' _chemical_formula_sum 'C10 H11 N3 O2' _chemical_formula_weight 205.22 _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _cell_angle_alpha 100.930(10) _cell_angle_beta 95.310(10) _cell_angle_gamma 89.240(10) _cell_formula_units_Z 4 _cell_length_a 9.9100(10) _cell_length_b 11.653(2) _cell_length_c 9.000(2) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293 _cell_measurement_theta_max 22.0 _cell_measurement_theta_min 19.8 _cell_volume 1016.1(3) _computing_cell_refinement 'MSC/AFC Diffractometer Control Software' _computing_data_collection ; MSC/AFC Diffractometer Control Software (Molecular Structure Corporation, 1992) ; _computing_data_reduction 'TEXSAN for Windows (Molecular Structure Corporation, 1997)' _computing_publication_material SHELXL97 _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SIR88 (Burla et al., 1989)' _diffrn_ambient_temperature 293 _diffrn_measured_fraction_theta_full .998 _diffrn_measured_fraction_theta_max .998 _diffrn_measurement_device 'Rigaku AFC-6R' _diffrn_measurement_method \w-2\q _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'Rigaku rotating anode' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength .71073 _diffrn_reflns_av_R_equivalents .059 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 15 _diffrn_reflns_limit_k_min -15 _diffrn_reflns_limit_l_max 11 _diffrn_reflns_limit_l_min -11 _diffrn_reflns_number 4967 _diffrn_reflns_reduction_process 'Lp corrections applied' _diffrn_reflns_theta_full 27.6 _diffrn_reflns_theta_max 27.6 _diffrn_reflns_theta_min 3.2 _diffrn_standards_decay_% 5.1 _diffrn_standards_interval_count 400 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu .097 _exptl_absorpt_correction_type none _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.341 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 432 _exptl_crystal_size_max .32 _exptl_crystal_size_mid .32 _exptl_crystal_size_min .24 _refine_diff_density_max .18 _refine_diff_density_min -.31 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.03 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 272 _refine_ls_number_reflns 4696 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.03 _refine_ls_R_factor_all .147 _refine_ls_R_factor_gt .058 _refine_ls_shift/su_max <0.001 _refine_ls_shift/su_mean .000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = 1/[\s^2^(Fo^2^)+(0.0827P)^2^+0.0227P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_ref .171 _reflns_number_gt 2373 _reflns_number_total 4696 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file wn6014.cif _[local]_cod_data_source_block I _cod_original_cell_volume 1016.0(3) _cod_database_code 2200357 loop_ _symmetry_equiv_pos_as_xyz ' +x, +y, +z' ' -x, -y, -z' 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_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol O2A -.5071(2) .14140(17) .3538(2) .0832(6) Uani d . 1 . . O O2'A -.31279(18) .18219(14) .5020(2) .0658(5) Uani d . 1 . . O O2B -.3865(2) .19785(18) -.0494(2) .0879(7) Uani d . 1 . . O O2'B -.2330(2) .11494(16) .0911(2) .0801(6) Uani d . 1 . . O N1A -.30835(18) .40531(16) .4586(2) .0470(5) Uani d . 1 . . N N1B -.23653(19) .41172(18) .0354(2) .0539(5) Uani d . 1 . . N N4A -.45032(17) .49217(17) .30469(19) .0462(5) Uani d . 1 . . N N4B -.05618(17) .44123(17) .20843(19) .0463(5) Uani d . 1 . . N N8A -.26319(19) .60486(17) .4486(2) .0504(5) Uani d . 1 . . N N8B -.1309(2) .60075(18) .0866(2) .0563(5) Uani d . 1 . . N C2A -.4091(2) .3298(2) .3855(2) .0485(6) Uani d . 1 . . C C2'A -.4171(3) .2096(2) .4099(3) .0580(6) Uani d . 1 . . C C2B -.2039(2) .3120(2) .0920(3) .0498(6) Uani d . 1 . . C C2'B -.2856(3) .2049(2) .0353(3) .0579(6) Uani d . 1 . . C C3A -.4980(2) .3805(2) .2899(2) .0504(6) Uani d . 1 . . C C3'A -.6195(3) .3371(3) .1860(3) .0730(8) Uani d . 1 . . C H3A -.6963 .3843 .2152 .132(3) Uiso calc R 1 . . H H3B -.6371 .2574 .1922 .132(3) Uiso calc R 1 . . H H3C -.6037 .3415 .0837 .132(3) Uiso calc R 1 . . H C3B -.0932(2) .3271(2) .1982(2) .0477(6) Uani d . 1 . . C C3'B -.0188(3) .2511(2) .2947(3) .0637(7) Uani d . 1 . . C H3D -.0183 .2874 .3998 .132(3) Uiso calc R 1 . . H H3E .0727 .2406 .2680 .132(3) Uiso calc R 1 . . H H3F -.0632 .1764 .2782 .132(3) Uiso calc R 1 . . H C5A -.4942(2) .5849(2) .2391(3) .0582(7) Uani d . 1 . . C H5A -.5702 .5785 .1691 .088(2) Uiso calc R 1 . . H C5B .0464(2) .5071(2) .2948(3) .0515(6) Uani d . 1 . . C H5B .1044 .4762 .3644 .088(2) Uiso calc R 1 . . H C6A -.4235(3) .6847(2) .2795(3) .0615(7) Uani d . 1 . . C H6A -.4505 .7497 .2383 .088(2) Uiso calc R 1 . . H C6B .0605(2) .6178(2) .2757(3) .0567(6) Uani d . 1 . . C H6B .1290 .6655 .3319 .088(2) Uiso calc R 1 . . H C7A -.3084(3) .6913(2) .3844(3) .0602(7) Uani d . 1 . . C H7A -.2612 .7617 .4098 .088(2) Uiso calc R 1 . . H C7B -.0301(3) .6602(2) .1696(3) .0595(7) Uani d . 1 . . C H7B -.0176 .7367 .1571 .088(2) Uiso calc R 1 . . H C9A -.3346(2) .5029(2) .4088(2) .0437(5) Uani d . 1 . . C C9B -.1452(2) .4891(2) .1064(2) .0467(6) Uani d . 1 . . C C21A -.3175(3) .0668(3) .5401(4) .0852(9) Uani d . 1 . . C H21A -.3320 .0078 .4483 .110(3) Uiso calc R 1 . . H H21B -.3911 .0621 .6026 .110(3) Uiso calc R 1 . . H C21B -.3027(3) .0035(3) .0465(4) .0878(10) Uani d . 1 . . C H21C -.3241 -.0144 -.0628 .110(3) Uiso calc R 1 . . H H21D -.3864 .0054 .0950 .110(3) Uiso calc R 1 . . H C22A -.1870(4) .0475(3) .6236(5) .1085(12) Uani d . 1 . . C H22A -.1873 -.0283 .6507 .132(3) Uiso calc R 1 . . H H22B -.1737 .1063 .7141 .132(3) Uiso calc R 1 . . H H22C -.1150 .0519 .5605 .132(3) Uiso calc R 1 . . H C22B -.2103(4) -.0845(3) .0957(4) .1154(14) Uani d . 1 . . C H22D -.2528 -.1601 .0687 .132(3) Uiso calc R 1 . . H H22E -.1896 -.0654 .2039 .132(3) Uiso calc R 1 . . H H22F -.1282 -.0856 .0466 .132(3) 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 O2A .0802(14) .0689(13) .0963(15) -.0273(11) -.0163(12) .0147(11) O2'A .0608(11) .0528(10) .0861(13) -.0072(8) -.0054(10) .0247(9) O2B .0762(14) .0844(14) .0931(15) -.0080(11) -.0435(12) .0153(12) O2'B .0771(13) .0618(12) .0945(14) -.0119(10) -.0356(11) .0169(10) N1A .0434(10) .0513(12) .0459(11) -.0034(9) -.0031(8) .0113(9) N1B .0471(11) .0668(13) .0465(11) .0054(10) -.0057(9) .0129(10) N4A .0390(10) .0604(13) .0392(10) .0013(9) -.0026(8) .0124(9) N4B .0387(10) .0599(13) .0408(10) .0036(9) -.0024(8) .0136(9) N8A .0488(11) .0530(12) .0504(11) -.0065(9) -.0035(9) .0157(9) N8B .0540(13) .0626(14) .0531(12) .0049(10) -.0024(10) .0169(10) C2A .0413(12) .0568(15) .0462(13) -.0050(11) .0024(10) .0068(11) C2'A .0536(15) .0578(16) .0610(16) -.0063(13) .0031(13) .0077(13) C2B .0435(12) .0605(15) .0431(12) .0028(11) -.0026(10) .0075(11) C2'B .0530(15) .0673(17) .0504(14) .0046(13) -.0080(12) .0097(12) C3A .0393(12) .0689(17) .0409(12) -.0043(11) .0019(10) .0056(11) C3'A .0537(16) .096(2) .0622(17) -.0135(14) -.0177(13) .0075(15) C3B .0408(12) .0593(15) .0430(12) .0009(11) -.0013(10) .0118(11) C3'B .0581(16) .0671(17) .0668(16) -.0024(13) -.0153(13) .0250(13) C5A .0486(14) .083(2) .0459(13) .0132(14) -.0010(11) .0229(13) C5B .0404(12) .0674(17) .0460(13) -.0004(11) -.0046(10) .0131(11) C6A .0622(16) .0680(18) .0605(16) .0083(14) .0026(13) .0296(13) C6B .0495(14) .0631(17) .0566(15) -.0017(12) -.0008(12) .0113(12) C7A .0613(16) .0625(16) .0606(16) -.0023(13) .0044(13) .0218(13) C7B .0575(16) .0611(16) .0610(15) .0054(13) .0049(13) .0145(13) C9A .0363(11) .0580(14) .0366(11) .0001(10) -.0026(9) .0109(10) C9B .0416(12) .0610(16) .0366(12) .0061(11) -.0014(10) .0097(11) C21A .090(2) .0572(18) .112(3) -.0054(16) -.0045(19) .0300(17) C21B .090(2) .069(2) .094(2) -.0205(17) -.0293(18) .0071(17) C22A .106(3) .082(2) .145(3) .008(2) -.011(2) .053(2) C22B .139(3) .065(2) .133(3) -.012(2) -.043(3) .021(2) 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 O2A C2'A . 1.210(3) ? O2'A C2'A . 1.338(3) ? O2'A C21A . 1.451(3) ? O2B C2'B . 1.194(3) ? O2'B C2'B . 1.326(3) ? O2'B C21B . 1.448(3) ? N1A C9A . 1.314(3) ? N1A C2A . 1.373(3) ? N1B C9B . 1.319(3) ? N1B C2B . 1.378(3) ? N4A C3A . 1.368(3) ? N4A C5A . 1.373(3) ? N4A C9A . 1.403(3) ? N4B C3B . 1.368(3) ? N4B C5B . 1.369(3) ? N4B C9B . 1.401(3) ? N8A C7A . 1.307(3) ? N8A C9A . 1.362(3) ? N8B C7B . 1.312(3) ? N8B C9B . 1.356(3) ? C2A C3A . 1.380(3) ? C2A C2'A . 1.462(3) ? C2B C3B . 1.377(3) ? C2B C2'B . 1.477(4) ? C3A C3'A . 1.487(3) ? C3B C3'B . 1.496(3) ? C5A C6A . 1.339(4) ? C5B C6B . 1.344(3) ? C6A C7A . 1.405(3) ? C6B C7B . 1.404(3) ? C21A C22A . 1.471(4) ? C21B C22B . 1.469(4) ? loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C .002 .002 ;International Tables for Crystallography (1992, Vol. C, Table 6.1.1.2) ; H .000 .000 ;International Tables for Crystallography (1992, Vol. C, Table 6.1.1.2) ; N .004 .003 ;International Tables for Crystallography (1992, Vol. C, Table 6.1.1.2) ; O .008 .006 ;International Tables for Crystallography (1992, Vol. C, Table 6.1.1.2) ; loop_ _diffrn_standard_refln_index_h _diffrn_standard_refln_index_k _diffrn_standard_refln_index_l -2 0 2 -2 1 2 -1 1 2 loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C2'A O2'A C21A 115.9(2) C2'B O2'B C21B 117.8(2) C9A N1A C2A 104.41(18) C9B N1B C2B 104.29(18) C3A N4A C5A 132.5(2) C3A N4A C9A 106.96(18) C5A N4A C9A 120.5(2) C3B N4B C5B 131.5(2) C3B N4B C9B 107.67(19) C5B N4B C9B 120.8(2) C7A N8A C9A 116.3(2) C7B N8B C9B 115.8(2) C3A C2A N1A 112.4(2) C3A C2A C2'A 125.5(2) N1A C2A C2'A 122.0(2) O2A C2'A O2'A 123.1(2) O2A C2'A C2A 124.5(2) O2'A C2'A C2A 112.4(2) C3B C2B N1B 112.7(2) C3B C2B C2'B 127.9(2) N1B C2B C2'B 119.3(2) O2B C2'B O2'B 123.1(3) O2B C2'B C2B 125.6(2) O2'B C2'B C2B 111.3(2) C2A C3A N4A 104.53(19) C2A C3A C3'A 133.5(2) N4A C3A C3'A 121.9(2) C2B C3B N4B 104.13(19) C2B C3B C3'B 134.7(2) N4B C3B C3'B 121.1(2) C6A C5A N4A 117.5(2) C6B C5B N4B 117.8(2) C5A C6A C7A 119.9(2) C5B C6B C7B 118.8(2) N8A C7A C6A 124.4(2) N8B C7B C6B 125.3(2) N1A C9A N8A 126.92(19) N1A C9A N4A 111.7(2) N8A C9A N4A 121.4(2) N1B C9B N8B 127.3(2) N1B C9B N4B 111.2(2) N8B C9B N4B 121.5(2) O2'A C21A C22A 107.6(3) O2'B C21B C22B 106.6(3) _cod_database_fobs_code 2200357