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_7244289
_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 O2'
_chemical_formula_sum            'C9 H10 O6'
_chemical_formula_weight         214.17
_chemical_name_systematic        'Resorcylic acid acetic acid solvate'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2017-03-06
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.02 svn.r3394 for OlexSys, GUI svn.r5324)
;
_audit_update_record
;
2021-11-08 deposited with the CCDC.	2022-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.898(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.6177(5)
_cell_length_b                   17.933(2)
_cell_length_c                   11.6033(15)
_cell_measurement_reflns_used    4022
_cell_measurement_temperature    120
_cell_measurement_theta_max      29.39
_cell_measurement_theta_min      2.89
_cell_volume                     946.56(19)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_temperature      120
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0738
_diffrn_reflns_av_unetI/netI     0.0378
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            16041
_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         25.998
_diffrn_reflns_theta_min         2.271
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.129
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9155
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0879 before and 0.0610 after correction. The Ratio of minimum to maximum transmission is 0.9155. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_description       prism
_exptl_crystal_F_000             448
_exptl_crystal_preparation       'Cut from a larger crystal'
_exptl_crystal_recrystallization_method
'Crystallised by slow cooling from acetic acid'
_exptl_crystal_size_max          0.322
_exptl_crystal_size_mid          0.158
_exptl_crystal_size_min          0.118
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.300
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         1868
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0683
_refine_ls_R_factor_gt           0.0417
_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^)+(0.0447P)^2^+0.2996P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0886
_refine_ls_wR_factor_ref         0.0979
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1387
_reflns_number_total             1868
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce01592c2.cif
_cod_data_source_block           ke064
_cod_original_cell_volume        946.6(2)
_cod_database_code               7244289
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C7(H7), C4(H4A), C6(H6)
2.b Idealised Me refined as rotating group:
 C2S(H2SA,H2SB,H2SC)
2.c Idealised tetrahedral OH refined as rotating group:
 O1(H1), O4(H4), O3(H3), O1S(H1S)
;
_olex2_exptl_crystal_mounting_method
'Crystal soaked in perfluroo polyether oil and mounted on MiTeGen sample holders directly into the pre-cooled cryostream.'
_olex2_submission_special_instructions 'No special instructions were received'