#------------------------------------------------------------------------------ #$Date: 2025-08-18 23:52:38 +0100 (Mon, 18 Aug 2025) $ #$Revision: 301791 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/51/2005181.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_2005181 loop_ _publ_author_name 'Linden, A.' 'Lee, C. K.' 'Siew, K. F.' _publ_contact_author ; Dr. Anthony Linden Organisch-chemisches Institut Universit\"at Z\"urich Winterthurerstrasse 190 CH-8057 Z\"urich Switzerland ; _publ_section_title ;3-Deoxy-3-C-ethoxycarbonylmethyl-1,2:5,6-di-O-isopropylidene-\a-D-allofuranose at 173K ; _journal_issue 7 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1797 _journal_page_last 1799 _journal_paper_doi 10.1107/S0108270196001151 _journal_volume 52 _journal_year 1996 _chemical_formula_moiety 'C16 H26 O7' _chemical_formula_sum 'C16 H26 O7' _chemical_formula_weight 330.37 _chemical_melting_point .326E-305 _chemical_name_systematic ' 1,2:5,6-di-O-isopropylidene-3-C-ethoxycarbonylmethyl-\a-D-allofuranose' _space_group_IT_number 76 _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall 'P 4w' _symmetry_space_group_name_H-M 'P 41' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 10.903(1) _cell_length_b 10.903(1) _cell_length_c 14.813(2) _cell_measurement_reflns_used 25 _cell_measurement_temperature 173(1) _cell_measurement_theta_max 20.0 _cell_measurement_theta_min 17.0 _cell_volume 1760.9(3) _diffrn_ambient_temperature 173.0(10) _diffrn_measurement_device 'Rigaku AFC-5R diffractometer' _diffrn_measurement_method '\w/2\q scans' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'Rigaku rotating anode generator' _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.71069 _diffrn_reflns_av_R_equivalents 0.025 _diffrn_reflns_limit_h_max 14 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_k_min -1 _diffrn_reflns_limit_l_max 19 _diffrn_reflns_limit_l_min -1 _diffrn_reflns_number 2727 _diffrn_reflns_theta_max 27.5 _diffrn_reflns_theta_min 2.5 _diffrn_standards_decay_% insignificant _diffrn_standards_interval_count 150 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.0970 _exptl_absorpt_correction_type none _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.246 _exptl_crystal_density_meas ? _exptl_crystal_description prism _exptl_crystal_F_000 712 _exptl_crystal_size_max 0.40 _exptl_crystal_size_mid 0.35 _exptl_crystal_size_min 0.25 _refine_diff_density_max 0.25 _refine_diff_density_min -0.21 _refine_ls_abs_structure_details ' sssigned to agree with the known chirality of the precursor of (I)' _refine_ls_extinction_coef 'g = 3.8(12) x 10^-7^' _refine_ls_extinction_method 'Zachariasen (1963)' _refine_ls_goodness_of_fit_obs 1.733 _refine_ls_hydrogen_treatment 'H atoms: see text' _refine_ls_matrix_type full _refine_ls_number_constraints 1 _refine_ls_number_parameters 234 _refine_ls_number_reflns 1735 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0655 _refine_ls_R_factor_obs 0.0418 _refine_ls_shift/esd_max 0.0007 _refine_ls_structure_factor_coef F _refine_ls_weighting_details 'w = 1/[\s^2^(F~o~)+(0.005F~o~)^2^]' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.0377 _refine_ls_wR_factor_obs 0.0353 _reflns_number_observed 1735 _reflns_number_total 2248 _reflns_observed_criterion 'I > 2\s(I)' _cod_data_source_file sx1012.cif _cod_data_source_block global _cod_depositor_comments ; The following automatic conversions were performed: '_exptl_crystal_density_meas' value 'not measured' was changed to '?' - the value is perceived as not measured. Automatic conversion script Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas The following automatic conversions were performed: '_refine_ls_weighting_scheme' value '1/[\s^2^(F~o~)+(0.005F~o~)^2^]' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w = 1/[\s^2^(F~o~)+(0.005F~o~)^2^]'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_cell_volume 1760.9(4) _cod_database_code 2005181 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,1/2+z -y,x,1/4+z y,-x,3/4+z 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 _atom_site_aniso_type_symbol O(1) 0.077(2) 0.0410(10) 0.068(2) -0.0030(10) -0.030(2) 0.0120(10) O O(2) 0.0390(10) 0.0300(10) 0.0390(10) -0.0014(9) -0.0050(10) -0.0010(10) O O(4) 0.0350(10) 0.0280(10) 0.068(2) 0.0015(9) -0.0020(10) 0.0060(10) O O(5) 0.0400(10) 0.0490(10) 0.057(2) -0.0160(10) -0.0120(10) 0.0200(10) O O(6) 0.0480(10) 0.108(2) 0.113(3) -0.033(2) -0.027(2) 0.077(2) O O(14) 0.0490(10) 0.0470(10) 0.0520(10) -0.0010(10) 0.0220(10) 0.0030(10) O O(15) 0.0400(10) 0.0440(10) 0.0340(10) 0.0010(10) 0.0020(10) 0.0110(10) O C(1) 0.032(2) 0.035(2) 0.069(3) 0.0030(10) 0.000(2) 0.007(2) C C(2) 0.0290(10) 0.0310(10) 0.045(2) 0.0000(10) 0.0070(10) 0.001(2) C C(3) 0.035(2) 0.0280(10) 0.033(2) 0.0000(10) 0.0040(10) -0.0050(10) C C(4) 0.032(2) 0.0310(10) 0.040(2) 0.0030(10) 0.004(2) 0.0010(10) C C(5) 0.041(2) 0.034(2) 0.058(2) -0.0050(10) 0.005(2) 0.000(2) C C(6) 0.038(2) 0.047(2) 0.084(3) -0.008(2) -0.008(2) 0.024(2) C C(7) 0.038(2) 0.039(2) 0.047(2) -0.0150(10) -0.008(2) 0.013(2) C C(8) 0.081(3) 0.064(3) 0.110(5) -0.014(3) 0.041(3) 0.002(3) C C(9) 0.084(3) 0.084(3) 0.080(3) -0.038(3) -0.025(3) -0.007(3) C C(10) 0.047(2) 0.039(2) 0.051(2) -0.005(2) -0.013(2) 0.006(2) C C(11) 0.077(3) 0.092(3) 0.042(2) -0.005(3) -0.014(2) 0.002(2) C C(12) 0.046(2) 0.066(3) 0.091(4) -0.012(2) -0.022(3) 0.004(3) C C(13) 0.0300(10) 0.0330(10) 0.035(2) -0.0010(10) 0.0020(10) -0.0030(10) C C(14) 0.0310(10) 0.036(2) 0.035(2) -0.0080(10) -0.002(2) -0.0030(10) C C(15) 0.043(2) 0.063(2) 0.045(2) -0.007(2) 0.002(2) 0.022(2) C C(16) 0.043(2) 0.069(2) 0.085(4) 0.006(2) 0.003(2) 0.047(3) C loop_ _atom_site_label _atom_site_occupancy _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag _atom_site_calc_attached_atom _atom_site_type_symbol O(1) 1 0.2356(2) 0.4165(2) 0.20940 0.062(1) Uani d ? O O(2) 1 0.1506(2) 0.5767(2) 0.1358(3) 0.0362(7) Uani d ? O O(4) 1 0.1003(2) 0.2947(2) 0.1269(3) 0.0437(8) Uani d ? O O(5) 1 -0.2069(2) 0.3344(2) 0.0371(3) 0.0486(8) Uani d ? O O(6) 1 -0.2674(2) 0.1664(3) 0.1159(3) 0.089(1) Uani d ? O O(14) 1 0.0898(2) 0.6198(2) -0.1192(3) 0.0496(8) Uani d ? O O(15) 1 -0.0647(2) 0.7420(2) -0.0742(2) 0.0392(7) Uani d ? O C(1) 1 0.2044(3) 0.3715(3) 0.1236(3) 0.045(1) Uani d ? C C(2) 1 0.1681(3) 0.4850(3) 0.0683(3) 0.035(1) Uani d ? C C(3) 1 0.0449(3) 0.4518(3) 0.0269(3) 0.0319(9) Uani d ? C C(4) 1 -0.0057(3) 0.3636(3) 0.0983(3) 0.0344(9) Uani d ? C C(5) 1 -0.0987(3) 0.2709(3) 0.0657(3) 0.044(1) Uani d ? C C(6) 1 -0.1467(3) 0.1865(3) 0.1395(4) 0.056(1) Uani d ? C C(7) 1 -0.3096(3) 0.2592(3) 0.0580(3) 0.041(1) Uani d ? C C(8) 1 -0.4047(4) 0.3360(4) 0.1032(5) 0.085(2) Uani d ? C C(9) 1 -0.3563(5) 0.1981(5) -0.0260(4) 0.083(2) Uani d ? C C(10) 1 0.2282(3) 0.5478(3) 0.2097(3) 0.045(1) Uani d ? C C(11) 1 0.1682(4) 0.5909(5) 0.2948(4) 0.070(2) Uani d ? C C(12) 1 0.3550(3) 0.6022(4) 0.1961(4) 0.068(2) Uani d ? C C(13) 1 -0.0385(3) 0.5613(3) 0.0074(3) 0.0328(9) Uani d ? C C(14) 1 0.0055(3) 0.6409(3) -0.0690(3) 0.0341(9) Uani d ? C C(15) 1 -0.0363(3) 0.8270(3) -0.1470(3) 0.050(1) Uani d ? C C(16) 1 -0.1156(3) 0.9392(4) -0.1311(4) 0.066(2) Uani d ? C H(1) 1 0.272 0.331 0.097 0.035(8) Uiso calc C(1) H H(2) 1 0.228 0.507 0.025 0.025(7) Uiso calc C(2) H H(3) 1 0.058 0.408 -0.027 0.039(8) Uiso calc C(3) H H(4) 1 -0.038 0.409 0.148 0.018(7) Uiso calc C(4) H H(5) 1 -0.066 0.224 0.018 0.047(9) Uiso calc C(5) H H(61) 1 -0.102 0.112 0.140 0.07(1) Uiso calc C(6) H H(62) 1 -0.141 0.225 0.197 0.09(1) Uiso calc C(6) H H(81) 1 -0.475 0.287 0.118 0.09(1) Uiso calc C(8) H H(82) 1 -0.431 0.400 0.063 0.07(1) Uiso calc C(8) H H(83) 1 -0.373 0.372 0.156 0.12(2) Uiso calc C(8) H H(91) 1 -0.388 0.258 -0.066 0.11(2) Uiso calc C(9) H H(92) 1 -0.419 0.141 -0.011 0.13(2) Uiso calc C(9) H H(93) 1 -0.290 0.156 -0.055 0.17(2) Uiso calc C(9) H H(111) 1 0.158 0.678 0.293 0.12(2) Uiso calc C(11) H H(112) 1 0.217 0.570 0.345 0.07(1) Uiso calc C(11) H H(113) 1 0.089 0.553 0.301 0.09(1) Uiso calc C(11) H H(121) 1 0.408 0.578 0.243 0.06(1) Uiso calc C(12) H H(122) 1 0.349 0.689 0.195 0.09(1) Uiso calc C(12) H H(123) 1 0.387 0.574 0.140 0.08(1) Uiso calc C(12) H H(131) 1 -0.043 0.610 0.061 0.042(9) Uiso calc C(13) H H(132) 1 -0.118 0.531 -0.007 0.040(9) Uiso calc C(13) H H(151) 1 -0.055 0.792 -0.204 0.05(1) Uiso calc C(15) H H(152) 1 0.048 0.850 -0.145 0.036(8) Uiso calc C(15) H H(161) 1 -0.199 0.916 -0.131 0.12(2) Uiso calc C(16) H H(162) 1 -0.101 0.998 -0.176 0.07(1) Uiso calc C(16) H H(163) 1 -0.096 0.974 -0.073 0.17(2) Uiso calc C(16) H 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 for Crystallography (1992, Vol. C, Tables 4.2.6.8 and 6.1.1.4) ; H H 0.0000 0.0000 ; International Tables for Crystallography (1992, Vol. C, Tables 4.2.6.8 and 6.1.1.4) ; O O 0.0106 0.0060 ; International Tables for Crystallography (1992, Vol. C, Tables 4.2.6.8 and 6.1.1.4) ; loop_ _diffrn_standard_refln_index_h _diffrn_standard_refln_index_k _diffrn_standard_refln_index_l 2 -2 2 2 2 -2 2 2 2 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 C(1) O(1) C(10) 109.8(3) yes C(2) O(2) C(10) 107.8(2) yes C(1) O(4) C(4) 109.0(2) yes C(5) O(5) C(7) 107.8(2) yes C(6) O(6) C(7) 110.7(3) yes C(14) O(15) C(15) 116.4(2) ? O(1) C(1) O(4) 111.8(3) yes O(1) C(1) C(2) 105.3(2) yes O(4) C(1) C(2) 106.8(2) yes O(2) C(2) C(1) 103.0(3) yes O(2) C(2) C(3) 109.4(2) yes C(1) C(2) C(3) 104.6(2) yes C(2) C(3) C(4) 100.8(2) yes C(2) C(3) C(13) 114.6(2) ? C(4) C(3) C(13) 114.0(2) ? O(4) C(4) C(3) 104.0(2) yes O(4) C(4) C(5) 106.5(2) ? C(3) C(4) C(5) 116.2(3) ? O(5) C(5) C(4) 108.9(2) ? O(5) C(5) C(6) 102.8(2) yes C(4) C(5) C(6) 114.0(3) ? O(6) C(6) C(5) 104.0(3) yes O(5) C(7) O(6) 106.9(2) yes O(5) C(7) C(8) 108.7(3) ? O(5) C(7) C(9) 110.0(3) ? O(6) C(7) C(8) 111.0(4) ? O(6) C(7) C(9) 107.3(3) ? C(8) C(7) C(9) 112.7(4) ? O(1) C(10) O(2) 104.6(3) yes O(1) C(10) C(11) 110.0(3) ? O(1) C(10) C(12) 109.8(3) ? O(2) C(10) C(11) 108.6(3) ? O(2) C(10) C(12) 110.7(3) ? C(11) C(10) C(12) 112.8(4) ? C(3) C(13) C(14) 113.8(2) ? O(14) C(14) O(15) 123.7(3) ? O(14) C(14) C(13) 126.7(3) ? O(15) C(14) C(13) 109.6(3) ? O(15) C(15) C(16) 106.1(3) ? O(1) C(1) H(1) 111.0 ? O(4) C(1) H(1) 111.0 ? C(2) C(1) H(1) 110.8 ? O(2) C(2) H(2) 112.8 ? C(1) C(2) H(2) 113.0 ? C(3) C(2) H(2) 113.2 ? C(2) C(3) H(3) 109.2 ? C(4) C(3) H(3) 108.7 ? C(13) C(3) H(3) 109.1 ? O(4) C(4) H(4) 109.8 ? C(3) C(4) H(4) 109.8 ? C(5) C(4) H(4) 110.3 ? O(5) C(5) H(5) 110.4 ? C(4) C(5) H(5) 110.4 ? C(6) C(5) H(5) 110.2 ? O(6) C(6) H(61) 111.1 ? O(6) C(6) H(62) 111.0 ? C(5) C(6) H(61) 110.4 ? C(5) C(6) H(62) 111.0 ? H(61) C(6) H(62) 109.2 ? C(7) C(8) H(81) 109.9 ? C(7) C(8) H(82) 109.6 ? C(7) C(8) H(83) 110.6 ? H(81) C(8) H(82) 108.0 ? H(81) C(8) H(83) 109.4 ? H(82) C(8) H(83) 109.3 ? C(7) C(9) H(91) 109.5 ? C(7) C(9) H(92) 109.8 ? C(7) C(9) H(93) 109.2 ? H(91) C(9) H(92) 109.6 ? H(91) C(9) H(93) 109.3 ? H(92) C(9) H(93) 109.5 ? C(10) C(11) H(111) 109.6 ? C(10) C(11) H(112) 110.3 ? C(10) C(11) H(113) 109.5 ? H(111) C(11) H(112) 109.6 ? H(111) C(11) H(113) 108.6 ? H(112) C(11) H(113) 109.3 ? C(10) C(12) H(121) 110.2 ? C(10) C(12) H(122) 109.6 ? C(10) C(12) H(123) 109.1 ? H(121) C(12) H(122) 109.9 ? H(121) C(12) H(123) 109.4 ? H(122) C(12) H(123) 108.7 ? C(3) C(13) H(131) 108.1 ? C(3) C(13) H(132) 108.4 ? C(14) C(13) H(131) 108.5 ? C(14) C(13) H(132) 108.7 ? H(131) C(13) H(132) 109.3 ? O(15) C(15) H(151) 111.1 ? O(15) C(15) H(152) 110.6 ? C(16) C(15) H(151) 109.8 ? C(16) C(15) H(152) 109.6 ? H(151) C(15) H(152) 109.6 ? C(15) C(16) H(161) 109.5 ? C(15) C(16) H(162) 110.2 ? C(15) C(16) H(163) 109.1 ? H(161) C(16) H(162) 110.2 ? H(161) C(16) H(163) 108.7 ? H(162) C(16) H(163) 109.1 ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag O(1) C(1) 1.404(5) yes O(1) C(10) 1.433(4) yes O(2) C(2) 1.427(4) yes O(2) C(10) 1.419(4) yes O(4) C(1) 1.411(3) yes O(4) C(4) 1.441(3) yes O(5) C(5) 1.433(4) yes O(5) C(7) 1.422(3) yes O(6) C(6) 1.379(4) yes O(6) C(7) 1.404(4) yes O(14) C(14) 1.206(4) ? O(15) C(14) 1.344(3) ? O(15) C(15) 1.455(4) ? C(1) C(2) 1.536(4) yes C(2) C(3) 1.521(4) yes C(3) C(4) 1.533(4) yes C(3) C(13) 1.527(3) yes C(4) C(5) 1.511(4) yes C(5) C(6) 1.522(5) yes C(7) C(8) 1.492(5) ? C(7) C(9) 1.500(5) ? C(10) C(11) 1.496(6) ? C(10) C(12) 1.518(5) ? C(13) C(14) 1.505(4) ? C(15) C(16) 1.516(5) ? C(1) H(1) 0.95 ? C(2) H(2) 0.95 ? C(3) H(3) 0.95 ? C(4) H(4) 0.95 ? C(5) H(5) 0.95 ? C(6) H(61) 0.95 ? C(6) H(62) 0.95 ? C(8) H(81) 0.96 ? C(8) H(82) 0.96 ? C(8) H(83) 0.94 ? C(9) H(91) 0.95 ? C(9) H(92) 0.95 ? C(9) H(93) 0.95 ? C(11) H(111) 0.95 ? C(11) H(112) 0.95 ? C(11) H(113) 0.96 ? C(12) H(121) 0.94 ? C(12) H(122) 0.95 ? C(12) H(123) 0.96 ? C(13) H(131) 0.95 ? C(13) H(132) 0.95 ? C(15) H(151) 0.94 ? C(15) H(152) 0.96 ? C(16) H(161) 0.95 ? C(16) H(162) 0.94 ? C(16) H(163) 0.96 ? 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 O(1) C(1) O(4) C(4) 100.4(3) ? O(1) C(1) C(2) O(2) -15.4(3) yes O(1) C(1) C(2) C(3) -129.7(3) ? O(1) C(10) O(2) C(2) -31.3(3) yes O(2) C(2) C(1) O(4) 103.6(3) ? O(2) C(2) C(3) C(4) -80.4(3) ? O(2) C(2) C(3) C(13) 42.5(3) ? O(2) C(10) O(1) C(1) 20.9(4) yes O(4) C(1) O(1) C(10) -118.8(3) ? O(4) C(1) C(2) C(3) -10.7(3) yes O(4) C(4) C(3) C(2) -38.2(3) yes O(4) C(4) C(3) C(13) -161.5(2) ? O(4) C(4) C(5) O(5) 179.4(3) ? O(4) C(4) C(5) C(6) 65.3(3) ? O(5) C(5) C(4) C(3) -65.3(3) ? O(5) C(5) C(6) O(6) 27.7(4) yes O(5) C(7) O(6) C(6) 6.0(5) yes O(6) C(6) C(5) C(4) 145.3(3) ? O(6) C(7) O(5) C(5) 13.0(4) yes O(14) C(14) O(15) C(15) 1.7(4) ? O(14) C(14) C(13) C(3) 7.5(4) ? O(15) C(14) C(13) C(3) -172.7(2) ? C(1) O(1) C(10) C(11) 137.4(3) ? C(1) O(1) C(10) C(12) -97.9(4) ? C(1) O(4) C(4) C(3) 33.6(3) yes C(1) O(4) C(4) C(5) 156.8(3) ? C(1) C(2) O(2) C(10) 28.8(3) yes C(1) C(2) C(3) C(4) 29.3(3) yes C(1) C(2) C(3) C(13) 152.2(3) ? C(2) O(2) C(10) C(11) -148.8(3) ? C(2) O(2) C(10) C(12) 86.9(3) ? C(2) C(1) O(1) C(10) -3.2(3) yes C(2) C(1) O(4) C(4) -14.3(3) yes C(2) C(3) C(4) C(5) -154.9(2) ? C(2) C(3) C(13) C(14) 70.2(3) ? C(3) C(2) O(2) C(10) 139.6(3) ? C(3) C(4) C(5) C(6) -179.4(3) ? C(4) C(3) C(13) C(14) -174.3(2) ? C(4) C(5) O(5) C(7) -145.9(3) ? C(5) O(5) C(7) C(8) 132.9(3) ? C(5) O(5) C(7) C(9) -103.3(4) ? C(5) C(4) C(3) C(13) 81.9(3) ? C(5) C(6) O(6) C(7) -21.0(5) yes C(6) O(6) C(7) C(8) -112.5(4) ? C(6) O(6) C(7) C(9) 124.0(4) ? C(6) C(5) O(5) C(7) -24.7(4) yes C(13) C(14) O(15) C(15) -178.1(3) ? C(14) O(15) C(15) C(16) -172.8(3) ? loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 ChemSpider 18523515 2 PubChem 22806636