Single-crystal-to-single-crystal phase transition of 18β-glycyrrhetinic acid isopropyl ester
Langer, Dominik; Wicher, Barbara; Tykarska, Ewa; Acta Crystallographica Section B 78 (2022) –; doi:10.1107/S2052520622002517

data_2108966
_publ_section_title
;
 Single-crystal-to-single-crystal phase transition of 18\b-glycyrrhetinic
 acid isopropyl ester
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052520622002517
_journal_volume                  78
_journal_year                    2022
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C36 H57 N O5'
_chemical_formula_sum            'C36 H57 N O5'
_chemical_formula_weight         583.82
_chemical_melting_point          478.5(5)
_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
_audit_creation_date             2021-10-29
_audit_creation_method
;
Olex2 1.5
(compiled 2021.10.07 svn.r9718050b for OlexSys, GUI svn.r6410)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.9136(2)
_cell_length_b                   13.7752(3)
_cell_length_c                   18.7441(4)
_cell_measurement_reflns_used    20546
_cell_measurement_temperature    298.15
_cell_measurement_theta_max      76.243
_cell_measurement_theta_min      3.929
_cell_volume                     3334.34(11)
_computing_cell_refinement       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      298.15
_diffrn_detector_area_resol_mean 10.3991
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0451
_diffrn_reflns_av_unetI/netI     0.0182
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            64824
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.245
_diffrn_reflns_theta_min         6.426
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.596
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.93a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.163
_exptl_crystal_description       plate
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.104
_refine_diff_density_min         -0.162
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details
;
 Flack x determined using 2381 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.15(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     387
_refine_ls_number_reflns         6099
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0411
_refine_ls_R_factor_gt           0.0374
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0586P)^2^+0.3153P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0961
_refine_ls_wR_factor_ref         0.1004
_reflns_Friedel_coverage         0.783
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                5635
_reflns_number_total             6099
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            rm5058sup1.cif
_cod_data_source_block           2-morpholinoethyl-GE
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value '478-479' was changed to
'478.5(5)' -- the average value was taken and precision was
estimated.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_cell_volume        3334.32(10)
_cod_database_code               2108966
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.971
_shelx_estimated_absorpt_t_min   0.797
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C3(H3A), C5(H5), C9(H9), C18(H18)
2.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C6(H6A,H6B), C7(H7A,H7B), C15(H15A,H15B), C16(H16A,
 H16B), C19(H19A,H19B), C21(H21A,H21B), C22(H22A,H22B), C31(H31A,H31B),
 C32(H32A,H32B), C33(H33A,H33B), C34(H34A,H34B), C35(H35A,H35B), C36(H36A,H36B)
2.c Aromatic/amide H refined with riding coordinates:
 C12(H12)
2.d Idealised Me refined as rotating group:
 C24(H24A,H24B,H24C), C23(H23A,H23B,H23C), C25(H25A,H25B,H25C), C26(H26A,H26B,
 H26C), C27(H27A,H27B,H27C), C28(H28A,H28B,H28C), C29(H29A,H29B,H29C)
2.e Idealised tetrahedral OH refined as rotating group:
 O3(H3)
;
_shelx_res_checksum              51033
_shelx_hkl_checksum              63358
_olex2_submission_special_instructions 'No special instructions were received'
_cod_database_fobs_code 2108966