#------------------------------------------------------------------------------ #$Date: 2025-08-19 11:01:59 +0100 (Tue, 19 Aug 2025) $ #$Revision: 301802 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/39/2103961.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_2103961 loop_ _publ_author_name 'Madsen, Anders \/Ostergaard' 'Mason, Sax' 'Larsen, Sine' _publ_section_title ; A neutron diffraction study of xylitol: derivation of mean square internal vibrations for H atoms from a rigid-body description ; _journal_issue 5 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 653 _journal_page_last 663 _journal_paper_doi 10.1107/S010876810301557X _journal_volume 59 _journal_year 2003 _chemical_formula_moiety 'C5 H12 O5' _chemical_formula_structural 'C5 H12 O5' _chemical_formula_sum 'C5 H12 O5' _chemical_formula_weight 152.15 _chemical_melting_point 94.0(10) _chemical_name_common xylitol _space_group_IT_number 19 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'P 2ac 2ab' _symmetry_space_group_name_H-M 'P 21 21 21' _atom_sites_solution_hydrogens direct _atom_sites_solution_primary direct _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 8.2660(4) _cell_length_b 8.8977(4) _cell_length_c 8.9116(4) _cell_measurement_reflns_used 2917 _cell_measurement_temperature 122.4(4) _cell_measurement_theta_max 45.31 _cell_measurement_theta_min 3.82 _cell_volume 655.43(5) _computing_cell_refinement rafd9 _computing_data_reduction racer _computing_molecular_graphics ortep _computing_publication_material 'PLATON (Spek, 1990)' _computing_structure_refinement 'VALRAY (Stewart et al, 2000)' _computing_structure_solution shelxl _diffrn_ambient_temperature 122 _diffrn_measured_fraction_theta_full 0.998 _diffrn_measured_fraction_theta_max 0.998 _diffrn_measurement_device_type Four-circle _diffrn_measurement_method ; %T Coupled ${\omega}-x\Theta$-scans with scan width between 1.2 and 4.5$^{\circ}$ and $1 \leq x \leq 2$. ; _diffrn_radiation_monochromator 'Cu 220 transmission geometry' _diffrn_radiation_probe neutron _diffrn_radiation_type neutron _diffrn_radiation_wavelength 0.83950 _diffrn_reflns_av_R_equivalents 0.0410 _diffrn_reflns_limit_h_max 3 _diffrn_reflns_limit_h_min -13 _diffrn_reflns_limit_k_max 15 _diffrn_reflns_limit_k_min -3 _diffrn_reflns_limit_l_max 10 _diffrn_reflns_limit_l_min -15 _diffrn_reflns_number 2917 _diffrn_reflns_theta_full 45.31 _diffrn_reflns_theta_max 45.31 _diffrn_reflns_theta_min 3.82 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 100 _diffrn_standards_number 2 _exptl_absorpt_coefficient_mu 0.27 _exptl_absorpt_correction_T_max 0.2226 _exptl_absorpt_correction_T_min 0.1315 _exptl_absorpt_correction_type integration _exptl_absorpt_process_details datap _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.540 _exptl_crystal_density_meas ? _exptl_crystal_density_method . _exptl_crystal_description prism _exptl_crystal_F_000 328 _exptl_crystal_size_max 2.5 _exptl_crystal_size_mid 2.0 _exptl_crystal_size_min 0.9 _refine_diff_density_max 1.81 _refine_diff_density_min -1.23 _refine_ls_extinction_coef 1289E1(15) _refine_ls_extinction_expression 'Spackman, M. A.. (1987), Journal of Applied Crystallography, 20:256-258' _refine_ls_extinction_method 'Becker-Coppens type 1 isotropic Lorentzian.' _refine_ls_goodness_of_fit_ref 1.4731 _refine_ls_hydrogen_treatment refall _refine_ls_matrix_type full _refine_ls_number_constraints 0 _refine_ls_number_parameters 200 _refine_ls_number_reflns 1911 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0531 _refine_ls_shift/su_max 0.0000 _refine_ls_shift/su_mean 0.0000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details w=1/\s^2^(Fo^2^) _refine_ls_weighting_scheme sigma _refine_ls_wR_factor_ref 0.0540 _reflns_number_gt 1831 _reflns_number_total 1911 _reflns_threshold_expression I>2\s(I) _cod_data_source_file bs5000.cif _cod_data_source_block anders _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. '_atom_sites_solution_hydrogens' value 'direct ' changed to 'direct' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. '_atom_sites_solution_primary' value 'direct ' changed to 'direct' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_chemical_melting_point' value '93-94.9' was changed to '94.0(10)' - the average value was taken and precision was estimated. Automatic conversion script Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana The following automatic conversions were performed: '_chemical_melting_point' value '93-94.9' was changed to '94.0(10)' - the average value was taken and precision was estimated. '_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. '_atom_sites_solution_hydrogens' value 'direct ' changed to 'direct' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. '_atom_sites_solution_primary' value 'direct ' changed to 'direct' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_database_code 2103961 _cod_database_fobs_code 2103961 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,-y,1/2+z 1/2+x,1/2-y,-z -x,1/2+y,1/2-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 O1 0.0086(3) 0.0138(4) 0.0073(3) 0.0010(3) -0.0003(3) 0.0003(3) O2 0.0097(3) 0.0118(3) 0.0086(3) -0.0032(3) -0.0003(3) -0.0007(3) O3 0.0119(3) 0.0103(3) 0.0065(3) 0.0004(3) -0.0001(3) 0.0006(3) O4 0.0101(3) 0.0091(3) 0.0097(3) 0.0016(3) -0.0020(3) -0.0015(3) O5 0.0080(3) 0.0154(4) 0.0108(3) -0.0015(3) 0.0016(3) -0.0016(3) C1 0.0079(2) 0.0128(3) 0.0068(2) 0.0002(2) 0.0004(2) 0.0000(2) C2 0.0077(2) 0.0083(2) 0.0062(2) -0.0001(2) -0.0001(2) -0.0012(2) C3 0.0072(2) 0.0085(2) 0.0076(2) 0.0004(2) -0.0002(2) -0.0009(2) C4 0.0068(2) 0.0097(3) 0.0060(2) 0.0001(2) -0.0006(2) -0.0008(2) C5 0.0073(2) 0.0105(3) 0.0125(3) 0.0010(2) -0.0001(2) -0.0013(2) H1A 0.0316(8) 0.0253(8) 0.0243(8) 0.0081(7) -0.0024(8) -0.0112(7) H1B 0.0184(7) 0.0379(10) 0.0262(8) -0.0070(7) 0.0017(6) 0.0123(8) H2 0.0190(6) 0.0181(6) 0.0244(7) 0.0013(6) 0.0011(6) -0.0072(6) H3 0.0226(7) 0.0175(6) 0.0203(7) 0.0023(6) -0.0004(6) -0.0066(6) H4 0.0230(7) 0.0266(8) 0.0139(6) -0.0004(6) -0.0008(6) 0.0048(6) H5A 0.0240(8) 0.0246(8) 0.0457(11) 0.0024(7) 0.0037(8) -0.0181(8) H5B 0.0228(7) 0.0304(9) 0.0264(8) -0.0001(7) -0.0053(7) 0.0112(7) H11 0.0160(6) 0.0297(8) 0.0192(7) -0.0012(6) 0.0045(6) 0.0034(7) H12 0.0265(8) 0.0282(8) 0.0199(8) -0.0047(7) 0.0071(6) -0.0019(7) H13 0.0297(8) 0.0155(6) 0.0207(7) -0.0010(6) 0.0010(7) 0.0023(6) H14 0.0313(8) 0.0174(7) 0.0258(8) 0.0086(7) -0.0030(7) 0.0014(6) H15 0.0255(8) 0.0258(8) 0.0206(7) -0.0064(7) 0.0002(6) -0.0070(7) loop_ _atom_site_label _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_occupancy _atom_site_type_symbol O1 0.67826(10) 0.22884(10) 0.42178(9) 0.0099(2) Uani 1 O O2 0.61461(10) 0.43594(10) 0.18273(10) 0.0100(2) Uani 1 O O3 0.31823(11) 0.43108(10) 0.04011(10) 0.0096(2) Uani 1 O O4 0.22887(10) 0.12960(10) 0.10839(10) 0.0096(2) Uani 1 O O5 -0.08866(10) 0.20517(11) 0.21646(10) 0.0114(2) Uani 1 O C1 0.52470(9) 0.29389(9) 0.39045(8) 0.00920(10) Uani 1 C C2 0.50050(8) 0.32283(8) 0.22439(7) 0.00740(10) Uani 1 C C3 0.32774(8) 0.37534(8) 0.18980(8) 0.00780(10) Uani 1 C C4 0.20081(8) 0.25179(8) 0.20983(8) 0.00750(10) Uani 1 C C5 0.03186(8) 0.31486(9) 0.18585(9) 0.0101(2) Uani 1 C H1A 0.5127(3) 0.4016(2) 0.4520(2) 0.0271(5) Uani 1 H H1B 0.4318(2) 0.2168(3) 0.4333(2) 0.0275(5) Uani 1 H H2 0.5262(2) 0.2190(2) 0.1611(2) 0.0205(4) Uani 1 H H3 0.2979(2) 0.46794(19) 0.26822(19) 0.0201(4) Uani 1 H H4 0.2073(2) 0.2095(2) 0.32600(18) 0.0212(4) Uani 1 H H5A 0.0131(3) 0.4103(2) 0.2618(3) 0.0314(5) Uani 1 H H5B 0.0197(2) 0.3565(2) 0.0695(2) 0.0265(5) Uani 1 H H11 0.7560(2) 0.2432(2) 0.3376(2) 0.0216(4) Uani 1 H H12 0.6521(2) 0.4163(2) 0.0805(2) 0.0249(5) Uani 1 H H13 0.3268(2) 0.54153(19) 0.0450(2) 0.0220(4) Uani 1 H H14 0.2766(2) 0.0490(2) 0.1667(2) 0.0248(4) Uani 1 H H15 -0.1183(2) 0.1567(2) 0.1209(2) 0.0240(4) Uani 1 H loop_ _atom_type_symbol _atom_type_description _atom_type_scat_source O O 'Sears, 1992' H H 'Sears, 1992' C C 'Sears, 1992' loop_ _diffrn_standard_refln_index_h _diffrn_standard_refln_index_k _diffrn_standard_refln_index_l -2 8 0 3 0 7 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 C1 O1 H11 112.06(12) no C2 O2 H12 108.99(13) no C3 O3 H13 107.54(13) no C4 O4 H14 106.80(13) no C5 O5 H15 108.00(13) no O1 C1 C2 112.24(6) yes O2 C2 C3 110.36(6) yes C1 C2 C3 111.77(6) no O2 C2 C1 106.64(6) yes O3 C3 C4 108.74(6) yes C2 C3 C4 113.34(6) no O3 C3 C2 110.21(6) yes C3 C4 C5 110.38(6) no O4 C4 C3 111.13(6) yes O4 C4 C5 109.88(6) yes O5 C5 C4 111.32(7) yes O1 C1 H1A 109.54(14) no O1 C1 H1B 107.55(13) no C2 C1 H1A 108.93(11) no C2 C1 H1B 110.70(11) no H1A C1 H1B 107.78(18) no O2 C2 H2 109.27(11) no C1 C2 H2 109.37(11) no C3 C2 H2 109.37(10) no O3 C3 H3 108.62(11) no C2 C3 H3 107.88(10) no C4 C3 H3 107.94(10) no O4 C4 H4 109.00(11) no C3 C4 H4 108.74(11) no C5 C4 H4 107.61(10) no O5 C5 H5A 108.31(14) no O5 C5 H5B 110.27(11) no C4 C5 H5A 109.20(14) no C4 C5 H5B 109.82(10) no H5A C5 H5B 107.84(17) no loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag O1 C1 1.4227(11) yes O2 C2 1.4284(11) yes O3 C3 1.4254(11) yes O4 C4 1.4328(11) yes O5 C5 1.4211(12) yes O1 H11 0.9960(19) no O2 H12 0.978(2) no O3 H13 0.9863(19) no O4 H14 0.970(2) no O5 H15 0.986(2) no C1 C2 1.5154(10) no C2 C3 1.5338(9) no C3 C4 1.5301(10) no C4 C5 1.5202(10) no C1 H1A 1.109(2) no C1 H1B 1.098(2) no C2 H2 1.1031(19) no C3 H3 1.1082(18) no C4 H4 1.1028(18) no C5 H5A 1.097(2) no C5 H5B 1.106(2) no loop_ _geom_contact_atom_site_label_1 _geom_contact_atom_site_label_2 _geom_contact_distance _geom_contact_site_symmetry_2 _geom_contact_publ_flag O1 O2 2.8654(12) . no O1 O5 2.6654(12) 1_655 no O1 C1 3.3229(11) 3_556 no O1 C4 3.2927(11) 3_556 no O1 C3 3.2991(11) 4_645 no O1 O3 2.6712(13) 4_645 no O2 O5 3.2129(12) 1_655 no O2 O3 2.7603(12) . no O2 O4 2.8218(13) 3_555 no O2 O4 2.8475(12) 4_655 no O2 O1 2.8654(12) . no O2 C4 3.3381(11) 4_655 no O3 O5 2.7000(13) 3_555 no O3 O1 2.6712(13) 4_655 no O3 O2 2.7603(12) . no O3 O4 2.8481(13) . no O4 O5 2.8755(12) . no O4 O2 2.8218(13) 3_455 no O4 O3 2.8481(13) . no O4 O2 2.8475(12) 4_645 no O5 O3 2.7000(13) 3_455 no O5 O1 2.6654(12) 1_455 no O5 O4 2.8755(12) . no O5 O2 3.2129(12) 1_455 no O1 H1B 2.5088(19) 3_556 no O1 H13 1.6932(19) 4_645 no O1 H4 2.3261(18) 3_556 no O1 H3 2.8801(19) 4_645 no O2 H11 2.492(2) . no O2 H4 2.846(2) 4_655 no O2 H14 1.903(2) 4_655 no O2 H1B 2.732(3) 4_655 no O2 H13 2.8371(19) . no O3 H3 2.7567(19) 2_564 no O3 H12 2.7862(19) . no O3 H5B 2.5687(19) . no O3 H15 1.716(2) 3_555 no O4 H12 1.845(2) 3_455 no O4 H2 2.6256(19) . no O4 H15 2.8820(19) . no O4 H5B 2.8823(19) 3_555 no O5 H11 1.7113(19) 1_455 no O5 H3 2.7323(19) 4_545 no O5 H5A 2.704(2) 4_545 no C1 O1 3.3229(11) 3_456 no C3 O1 3.2991(11) 4_655 no C4 O1 3.2927(11) 3_456 no C4 O2 3.3381(11) 4_645 no C1 H4 2.7887(18) . no C1 H14 2.8477(19) 4_655 no C1 H13 2.6229(19) 4_645 no C1 H4 2.9435(18) 3_556 no C2 H14 2.8959(19) 4_655 no C2 H5B 3.0709(19) 3_555 no C3 H15 2.8190(19) 3_555 no C4 H12 3.0155(19) 3_455 no C4 H1B 2.7764(19) . no C5 H11 2.7267(18) 1_455 no H1A H3 2.487(3) . no H1A H5B 2.408(3) 2_565 no H1A H14 2.423(3) 4_655 no H1B C4 2.7764(19) . no H1B H4 2.089(2) . no H1B O1 2.5088(19) 3_456 no H1B H11 2.531(2) 3_456 no H1B O2 2.732(3) 4_645 no H1B H13 2.540(3) 4_645 no H2 O4 2.6256(19) . no H2 H11 2.476(2) . no H2 H14 2.559(2) . no H2 H5B 2.163(3) 3_555 no H3 H1A 2.487(3) . no H3 H5A 2.410(3) . no H3 O3 2.7567(19) 2_565 no H3 O1 2.8801(19) 4_655 no H3 O5 2.7323(19) 4_555 no H3 H15 2.450(2) 4_555 no H4 C1 2.7887(18) . no H4 H1B 2.089(2) . no H4 O1 2.3261(18) 3_456 no H4 C1 2.9435(18) 3_456 no H4 O2 2.846(2) 4_645 no H5A H3 2.410(3) . no H5A O5 2.704(2) 4_555 no H5A H15 2.580(3) 4_555 no H5B O3 2.5687(19) . no H5B H1A 2.408(3) 2_564 no H5B O4 2.8823(19) 3_455 no H5B C2 3.0709(19) 3_455 no H5B H2 2.163(3) 3_455 no H11 O2 2.492(2) . no H11 O5 1.7113(19) 1_655 no H11 C5 2.7267(18) 1_655 no H11 H2 2.476(2) . no H11 H15 2.324(2) 1_655 no H11 H1B 2.531(2) 3_556 no H11 H13 2.187(2) 4_645 no H12 O3 2.7862(19) . no H12 O4 1.845(2) 3_555 no H12 C4 3.0155(19) 3_555 no H12 H14 2.451(2) 3_555 no H13 O2 2.8371(19) . no H13 H15 2.346(2) 3_555 no H13 O1 1.6932(19) 4_655 no H13 C1 2.6229(19) 4_655 no H13 H1B 2.540(3) 4_655 no H13 H11 2.187(2) 4_655 no H14 H2 2.559(2) . no H14 H12 2.451(2) 3_455 no H14 O2 1.903(2) 4_645 no H14 C1 2.8477(19) 4_645 no H14 C2 2.8959(19) 4_645 no H14 H1A 2.423(3) 4_645 no H15 O4 2.8820(19) . no H15 H11 2.324(2) 1_455 no H15 O3 1.716(2) 3_455 no H15 C3 2.8190(19) 3_455 no H15 H13 2.346(2) 3_455 no H15 H3 2.450(2) 4_545 no H15 H5A 2.580(3) 4_545 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 O1 H11 O2 . 0.9960(19) 2.492(2) 2.8654(12) 101.70(12) yes O1 H11 O5 1_655 0.9960(19) 1.7113(19) 2.6654(12) 159.04(17) yes O2 H12 O4 3_555 0.978(2) 1.845(2) 2.8218(13) 176.90(17) yes O3 H13 O1 4_655 0.9863(19) 1.6932(19) 2.6712(13) 170.66(17) yes O4 H14 O2 4_645 0.970(2) 1.903(2) 2.8475(12) 164.00(17) yes O5 H15 O3 3_455 0.986(2) 1.716(2) 2.7000(13) 176.22(17) yes C1 H1B O1 3_456 1.098(2) 2.5088(19) 3.3229(11) 129.99(18) yes C4 H4 O1 3_456 1.1028(18) 2.3261(18) 3.2927(11) 145.24(14) yes 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 O1 C1 C2 O2 -66.06(8) no O1 C1 C2 C3 173.25(7) no O2 C2 C3 O3 49.43(8) no O2 C2 C3 C4 171.56(6) no C1 C2 C3 O3 167.93(7) no C1 C2 C3 C4 -69.94(8) no O3 C3 C4 O4 60.62(8) no O3 C3 C4 C5 -61.57(8) no C2 C3 C4 O4 -62.32(8) no C2 C3 C4 C5 175.50(6) no O4 C4 C5 O5 62.08(9) no C3 C4 C5 O5 -175.00(7) no loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 ChemSpider 21391692 2 PubChem 6912