Steric influence on solvate formation – a comparison of resorcylic acid and two brominated derivatives
Edkins, Katharina; Tweedy, Jane; Fung, Stephanie; Edkins, Robert M.; CrystEngComm  (2022) –; doi:10.1039/D1CE01592C

data_7244295
_publ_section_title
;
 Steric influence on solvate formation -- a comparison of resorcylic acid
 and two brominated derivatives
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D1CE01592C
_journal_year                    2022
_chemical_formula_moiety         'C7 H6 O4, C2 H4 O'
_chemical_formula_sum            'C9 H10 O5'
_chemical_formula_weight         198.17
_chemical_name_systematic        'resorcylic acid dioxane hemisolvate'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2021-06-17
_audit_creation_method
;
Olex2 1.3-alpha
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2021-11-08 deposited with the CCDC.	2022-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 111.089(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.2219(17)
_cell_length_b                   6.4624(8)
_cell_length_c                   11.2303(14)
_cell_measurement_reflns_used    4830
_cell_measurement_temperature    120
_cell_measurement_theta_max      0.3361
_cell_measurement_theta_min      1.651
_cell_volume                     895.3(2)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 1.3-alpha (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3-alpha (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution
'olex2.solve 1.3-alpha (Bourhis et al., 2015)'
_diffrn_ambient_temperature      120
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 0.0350
_diffrn_detector_type            'Rigaku Saturn724+'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'CrystalLogic Kappa (4 circle)'
_diffrn_measurement_device_type  'Kappa Rigaku Saturn724+'
_diffrn_measurement_method       'omega rotation'
_diffrn_radiation_collimation    '0.3 x 1.5 Double Pinhole'
_diffrn_radiation_monochromator  Synchrotron
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.3361
_diffrn_reflns_av_unetI/netI     0.1471
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12446
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.500
_diffrn_reflns_theta_min         1.651
_diffrn_source                   Synchrotron
_diffrn_source_current           0.0
_diffrn_source_power             0.0
_diffrn_source_type              'Undulator, I19, DLS, RAL'
_diffrn_source_voltage           0.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.122
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.470
_exptl_crystal_description       needle
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.01
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.543
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         2269
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0873
_refine_ls_R_factor_gt           0.0816
_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^)+(0.1277P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2186
_refine_ls_wR_factor_ref         0.2268
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1838
_reflns_number_total             2269
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce01592c2.cif
_cod_data_source_block           RA_DIO
_cod_database_code               7244295
_shelx_shelxl_version_number     2018/3
_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 O(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C13(H13A,H13B), C14(H14A,H14B)
2.b Aromatic/amide H refined with riding coordinates:
 C9(H9), C11(H11), C12(H12)
2.c Idealised tetrahedral OH refined as rotating group:
 O2(H2), O3(H3), O4(H4)
;
_olex2_exptl_crystal_mounting_method
'crystal soaked in perfluoro polyether oil and mounted on MiTeGen sample holder directly into the pre-cooled cryostream'
_olex2_submission_special_instructions 'No special instructions were received'