Insights into isostructural and non-isostructural crystals of esters of oleanolic acid and its 11-oxo derivatives
Langer, Dominik; Wicher, Barbara; Bendzinska-Berus, Wioletta; Bednarczyk-Cwynar, Barbara; Tykarska, Ewa; Acta Crystallographica Section B 78 (2022) –; doi:10.1107/S2052520622005972

data_2109018
_publ_section_title
;
 Insights into isostructural and non-isostructural crystals of esters of
 oleanolic acid and its 11-oxo derivatives
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052520622005972
_journal_volume                  78
_journal_year                    2022
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C34 H56 O3'
_chemical_formula_sum            'C34 H56 O3'
_chemical_formula_weight         512.78
_chemical_name_common
;
iso-butyl ester of oleanolic acid
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.3008(2)
_cell_length_b                   16.2751(2)
_cell_length_c                   17.6374(2)
_cell_measurement_reflns_used    9251
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      76.2430
_cell_measurement_theta_min      3.6390
_cell_volume                     2956.85(8)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics
;
Mercury (Macrae et al., 2008)
;
_computing_publication_material  'SHELXL-2016/4 (Sheldrick, 2016)'
_computing_structure_refinement  'SHELXL-2016/4 (Sheldrick, 2016)'
_computing_structure_solution    'SIR2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      130(2)
_diffrn_detector_area_resol_mean 10.3991
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0271
_diffrn_reflns_av_unetI/netI     0.0281
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17199
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.976
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         74.503
_diffrn_reflns_theta_min         3.695
_diffrn_source                   'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.542
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.95370
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.152
_exptl_crystal_description       block
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.176
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details
;
 Flack x determined using 2365 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.02(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         5878
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0356
_refine_ls_R_factor_gt           0.0340
_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^)+(0.0555P)^2^+0.4032P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0868
_refine_ls_wR_factor_ref         0.0892
_reflns_Friedel_coverage         0.736
_reflns_Friedel_fraction_full    0.969
_reflns_Friedel_fraction_max     0.945
_reflns_number_gt                5701
_reflns_number_total             5878
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            rm5063sup1.cif
_cod_data_source_block           6_isobutyl-OA
_cod_database_code               2109018
_publcif_datablock.id            {1159101c-cfb4-44aa-a201-1b28e17b5c0d}
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.899
_shelx_estimated_absorpt_t_max   0.899
_oxdiff_exptl_absorpt_empirical_full_min 0.919
_oxdiff_exptl_absorpt_empirical_full_max 1.121
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              81399
_shelx_hkl_checksum              18532
_cod_database_fobs_code 2109018