Mechanistic study of the formation of arbutin polymorphs and solvates
Taiwaikuli, Mukaidaisi; Wang, Ting; Chen, Kui; Feng, Yaoguang; Xing, Jiangna; Huang, Xin; Wang, Na; Zhou, Lina; Hao, Hongxun; CrystEngComm 25 (2023) 2075–2084; doi:10.1039/D2CE01670B

data_7246331
_publ_section_title
;
 Mechanistic study of the formation of arbutin polymorphs and solvates
;
_journal_issue                   14
_journal_name_full               CrystEngComm
_journal_page_first              2075
_journal_page_last               2084
_journal_paper_doi               10.1039/D2CE01670B
_journal_volume                  25
_journal_year                    2023
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C12 H16 O7, 2(C3 H7 N O)'
_chemical_formula_sum            'C18 H30 N2 O9'
_chemical_formula_weight         418.44
_chemical_name_common            'Arbutin DMF solvent compound; solvate S1'
_chemical_name_systematic        'Arbutin DMF solvate'
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-09-14
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2022-12-06 deposited with the CCDC.	2023-02-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.747(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.5631(3)
_cell_length_b                   8.5283(3)
_cell_length_c                   15.1997(5)
_cell_measurement_reflns_used    10120
_cell_measurement_temperature    113.15
_cell_measurement_theta_max      32.8240
_cell_measurement_theta_min      2.4270
_cell_volume                     1073.45(7)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_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      113.15
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.926
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w   -115.00  65.00   1.00    1.00    --  -25.00  45.00   0.00  180
  2  \w   -115.00  35.00   1.00    1.00    --  -25.00  45.00  90.00  150
  3  \w   -115.00   5.00   1.00    1.00    --  -25.00  45.00 180.00  120
;
_diffrn_measurement_device       'abstract diffractometer'
_diffrn_measurement_device_type  'Rigaku Saturn 70 CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0603257000
_diffrn_orient_matrix_UB_12      -0.0376850000
_diffrn_orient_matrix_UB_13      0.0168726000
_diffrn_orient_matrix_UB_21      -0.0413430000
_diffrn_orient_matrix_UB_22      -0.0215750000
_diffrn_orient_matrix_UB_23      -0.0449515000
_diffrn_orient_matrix_UB_31      0.0446291000
_diffrn_orient_matrix_UB_32      -0.0709243000
_diffrn_orient_matrix_UB_33      0.0047321000
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0258
_diffrn_reflns_av_unetI/netI     0.0367
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.926
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            13440
_diffrn_reflns_point_group_measured_fraction_full 0.921
_diffrn_reflns_point_group_measured_fraction_max 0.824
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.912
_diffrn_reflns_theta_min         2.459
_diffrn_source                   'rotating anode'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.96037
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)'
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.338
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details
;
 Flack x determined using 2160 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.3(4)
_refine_ls_extinction_coef       0.041(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         6617
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0431
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0465P)^2^+0.0880P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.0959
_reflns_Friedel_coverage         0.683
_reflns_Friedel_fraction_full    0.831
_reflns_Friedel_fraction_max     0.710
_reflns_number_gt                6034
_reflns_number_total             6617
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ce01670b2.cif
_cod_data_source_block           r20220327a
_cod_depositor_comments
'Adding full bibliography for 7246329--7246332.cif.'
_cod_original_sg_symbol_H-M      P21
_cod_database_code               7246331
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C11 H10 N O'
_shelx_estimated_absorpt_t_max   0.983
_shelx_estimated_absorpt_t_min   0.976
_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:
 C7(H7A), C8(H8), C9(H9), C10(H10), C11(H11)
2.b Secondary CH2 refined with riding coordinates:
 C12(H12A,H12B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5A), C6(H6A), C13(H13), C16(H16)
2.d Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C)
2.e Idealised tetrahedral OH refined as rotating group:
 O1(H1), O4(H4), O5(H5), O6(H6), O7(H7)
;
_shelx_res_checksum              40296
_shelx_hkl_checksum              24846
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.195
_oxdiff_exptl_absorpt_empirical_full_min 0.870