#------------------------------------------------------------------------------ #$Date: 2011-09-10 06:16:28 +0300 (Sat, 10 Sep 2011) $ #$Revision: 25271 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2203335.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_2203335 loop_ _publ_author_name 'Takahashi, Kazuyuki' 'Okamura, Taka-aki' 'Yamamoto, Hitoshi' 'Ueyama, Norikazu' _publ_section_title ; (Z)-4-(tert-Butylamino)-4-oxo-2-butenoic acid ; _journal_issue 3 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first o448 _journal_page_last o449 _journal_volume 60 _journal_year 2004 _chemical_formula_moiety 'C8 H13 N O3 ' _chemical_formula_sum 'C8 H13 N O3' _chemical_formula_weight 171.19 _chemical_name_systematic ; ? ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/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 105.42(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 9.283(4) _cell_length_b 8.416(3) _cell_length_c 12.680(5) _cell_measurement_reflns_used 25 _cell_measurement_temperature 296 _cell_measurement_theta_max 15.0 _cell_measurement_theta_min 14.3 _cell_volume 955.0(7) _computing_cell_refinement 'MSC/AFC Diffractometer Control Software' _computing_data_collection ;MSC/AFC Diffractometer Control Software (Molecular Structure Corporation, 1991) ; _computing_data_reduction 'TEXSAN (Molecular Structure Corporation, 2000)' _computing_molecular_graphics 'TEXSAN and MERCURY (Bruno et al., 2002)' _computing_publication_material 'TEXSAN and MERCURY' _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SIR92 (Altomare et al., 1994)' _diffrn_ambient_temperature 296 _diffrn_measured_fraction_theta_full 0.998 _diffrn_measured_fraction_theta_max 0.998 _diffrn_measurement_device_type 'Rigaku AFC5R' _diffrn_measurement_method \w-2\q _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71069 _diffrn_reflns_av_R_equivalents 0.0371 _diffrn_reflns_av_sigmaI/netI 0.0760 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 10 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 15 _diffrn_reflns_limit_l_min -16 _diffrn_reflns_number 2325 _diffrn_reflns_theta_full 27.51 _diffrn_reflns_theta_max 27.51 _diffrn_reflns_theta_min 2.94 _diffrn_standards_decay_% 0.39 _diffrn_standards_interval_count 150 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.091 _exptl_absorpt_correction_T_max 0.962 _exptl_absorpt_correction_T_min 0.900 _exptl_absorpt_correction_type psi-scan _exptl_absorpt_process_details '(North et al., 1968)' _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.191 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prismatic _exptl_crystal_F_000 368 _exptl_crystal_size_max 0.500 _exptl_crystal_size_mid 0.200 _exptl_crystal_size_min 0.200 _refine_diff_density_max 0.140 _refine_diff_density_min -0.188 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 0.976 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 112 _refine_ls_number_reflns 2195 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.976 _refine_ls_R_factor_all 0.1503 _refine_ls_R_factor_gt 0.0420 _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^)+(0.0570P)^2^+0.0332P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1035 _refine_ls_wR_factor_ref 0.1338 _reflns_number_gt 994 _reflns_number_total 2195 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file ob6355.cif _[local]_cod_data_source_block I _cod_database_code 2203335 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-1/2' 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 0.26132(17) 0.03658(18) 0.22821(11) 0.0540(4) Uani d . 1 O O2 0.3781(2) -0.4179(2) 0.12000(13) 0.0689(5) Uani d . 1 O O3 0.3148(2) -0.1660(2) 0.10417(12) 0.0650(5) Uani d . 1 O H2 0.295(3) -0.077(3) 0.151(2) 0.078 Uiso d . 1 H N1 0.2532(2) 0.05087(19) 0.40424(13) 0.0441(5) Uani d . 1 N H1 0.2777 0.0037 0.4666 0.053 Uiso calc R 1 H C1 0.3613(2) -0.2925(3) 0.16292(18) 0.0479(5) Uani d . 1 C C2 0.3967(2) -0.2847(2) 0.28363(17) 0.0441(5) Uani d . 1 C H3 0.4495 -0.3720 0.3191 0.053 Uiso calc R 1 H C3 0.3668(2) -0.1756(2) 0.35054(16) 0.0439(5) Uani d . 1 C H4 0.3978 -0.1997 0.4247 0.053 Uiso calc R 1 H C4 0.2904(2) -0.0200(2) 0.32250(15) 0.0417(5) Uani d . 1 C C5 0.1728(3) 0.2047(3) 0.39841(17) 0.0482(5) Uani d . 1 C C6 0.0242(3) 0.1962(3) 0.3109(2) 0.0716(8) Uani d . 1 C H5 0.0424 0.1794 0.2407 0.086 Uiso calc R 1 H H6 -0.0292 0.2941 0.3100 0.086 Uiso calc R 1 H H7 -0.0341 0.1099 0.3270 0.086 Uiso calc R 1 H C7 0.2688(3) 0.3382(3) 0.3742(3) 0.0741(8) Uani d . 1 C H8 0.2855 0.3218 0.3035 0.089 Uiso calc R 1 H H9 0.3629 0.3395 0.4288 0.089 Uiso calc R 1 H H10 0.2187 0.4378 0.3749 0.089 Uiso calc R 1 H C8 0.1447(4) 0.2285(3) 0.5103(2) 0.0772(9) Uani d . 1 C H11 0.0845 0.1428 0.5249 0.093 Uiso calc R 1 H H12 0.0935 0.3274 0.5112 0.093 Uiso calc R 1 H H13 0.2385 0.2304 0.5653 0.093 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 0.0732(11) 0.0492(9) 0.0398(8) 0.0125(8) 0.0154(7) 0.0095(7) O2 0.0837(13) 0.0648(11) 0.0535(10) 0.0097(10) 0.0101(9) -0.0200(8) O3 0.0910(14) 0.0671(11) 0.0407(8) 0.0185(10) 0.0245(9) 0.0045(8) N1 0.0537(11) 0.0395(10) 0.0372(9) 0.0057(9) 0.0088(8) 0.0034(8) C1 0.0432(13) 0.0554(14) 0.0445(12) -0.0014(12) 0.0109(10) -0.0061(11) C2 0.0473(13) 0.0399(11) 0.0432(11) 0.0034(10) 0.0089(10) -0.0001(10) C3 0.0516(13) 0.0422(11) 0.0344(10) 0.0018(10) 0.0050(9) 0.0033(9) C4 0.0469(13) 0.0392(11) 0.0380(10) -0.0027(10) 0.0097(9) -0.0003(10) C5 0.0527(14) 0.0428(12) 0.0478(12) 0.0069(11) 0.0113(10) -0.0008(10) C6 0.0573(16) 0.0741(18) 0.0774(17) 0.0151(15) 0.0077(13) -0.0069(15) C7 0.0736(18) 0.0433(14) 0.103(2) 0.0041(13) 0.0201(16) 0.0027(14) C8 0.100(2) 0.0702(17) 0.0649(17) 0.0205(17) 0.0280(16) -0.0094(14) 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' O O 0.0106 0.0060 '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' 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 C4 O1 H2 111.3(10) no C1 O3 H2 110.9(14) no C4 N1 C5 126.00(17) no C4 N1 H1 117.0 ? C5 N1 H1 117.0 ? O2 C1 O3 121.0(2) no O2 C1 C2 118.8(2) no O3 C1 C2 120.2(2) no C3 C2 C1 131.6(2) yes C3 C2 H3 114.2 ? C1 C2 H3 114.2 ? C2 C3 C4 128.58(19) yes C2 C3 H4 115.7 ? C4 C3 H4 115.7 ? O1 C4 N1 123.03(19) no O1 C4 C3 122.21(18) no N1 C4 C3 114.74(17) no N1 C5 C7 109.96(18) ? N1 C5 C8 106.05(18) ? C7 C5 C8 110.3(2) ? N1 C5 C6 109.91(18) ? C7 C5 C6 110.7(2) ? C8 C5 C6 109.8(2) ? C5 C6 H5 109.5 ? C5 C6 H6 109.5 ? H5 C6 H6 109.5 ? C5 C6 H7 109.5 ? H5 C6 H7 109.5 ? H6 C6 H7 109.5 ? C5 C7 H8 109.5 ? C5 C7 H9 109.5 ? H8 C7 H9 109.5 ? C5 C7 H10 109.5 ? H8 C7 H10 109.5 ? H9 C7 H10 109.5 ? C5 C8 H11 109.5 ? C5 C8 H12 109.5 ? H11 C8 H12 109.5 ? C5 C8 H13 109.5 ? H11 C8 H13 109.5 ? H12 C8 H13 109.5 ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag O1 C4 1.248(2) yes O2 C1 1.216(3) yes O3 C1 1.305(3) yes O3 H2 1.01(3) no N1 C4 1.319(2) yes N1 C5 1.486(3) yes N1 H1 0.8600 ? C1 C2 1.479(3) ? C2 C3 1.329(3) yes C2 H3 0.9300 ? C3 C4 1.486(3) ? C3 H4 0.9300 ? C5 C7 1.515(3) ? C5 C8 1.522(3) ? C5 C6 1.524(3) ? C6 H5 0.9600 ? C6 H6 0.9600 ? C6 H7 0.9600 ? C7 H8 0.9600 ? C7 H9 0.9600 ? C7 H10 0.9600 ? C8 H11 0.9600 ? C8 H12 0.9600 ? C8 H13 0.9600 ? 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 N1 H1 O2 4_556 0.86 2.05 2.897(3) 168 O3 H2 O1 . 1.01(3) 1.46(3) 2.458(2) 172(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 _geom_torsion_publ_flag O2 C1 C2 C3 -167.3(2) yes O3 C1 C2 C3 13.6(4) yes C1 C2 C3 C4 -2.5(4) yes C5 N1 C4 O1 0.1(3) ? C5 N1 C4 C3 -178.40(18) yes C2 C3 C4 O1 -9.9(4) ? C2 C3 C4 N1 168.7(2) ? C4 N1 C5 C7 -65.5(3) ? C4 N1 C5 C8 175.3(2) ? C4 N1 C5 C6 56.7(3) ?