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_7244293
_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 H5 Br O4, 2(C2 H4 O)'
_chemical_formula_sum            'C11 H13 Br O6'
_chemical_formula_weight         321.12
_chemical_name_systematic        '5-bromo-resorcylic acid dioxane solvate'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_audit_creation_date             2016-12-07
_audit_creation_method
;
Olex2 1.2
(compiled 2016.11.24 svn.r3356 for OlexSys, GUI svn.r5267)
;
_audit_update_record
;
2021-11-08 deposited with the CCDC.	2022-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   22.7597(16)
_cell_length_b                   6.6011(5)
_cell_length_c                   16.7307(12)
_cell_measurement_reflns_used    9903
_cell_measurement_temperature    120
_cell_measurement_theta_max      25.82
_cell_measurement_theta_min      2.59
_cell_volume                     2513.6(3)
_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 0.997
_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  0.1271
_diffrn_reflns_av_unetI/netI     0.0365
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            71370
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.774
_diffrn_reflns_theta_min         2.435
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.288
_exptl_absorpt_correction_T_max  0.8788
_exptl_absorpt_correction_T_min  0.6240
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1489 before and 0.0758 after correction.
The Ratio of minimum to maximum transmission is 0.7101.
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    1.697
_exptl_crystal_description       prism
_exptl_crystal_F_000             1296
_exptl_crystal_recrystallization_method 'Crystallised from dioxane solution'
_exptl_crystal_size_max          0.328
_exptl_crystal_size_mid          0.058
_exptl_crystal_size_min          0.058
_refine_diff_density_max         1.878
_refine_diff_density_min         -0.603
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         2914
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0693
_refine_ls_R_factor_gt           0.0434
_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^)+(0.0396P)^2^+4.9669P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.0970
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2267
_reflns_number_total             2914
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce01592c2.cif
_cod_data_source_block           ke056
_cod_database_code               7244293
_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. Others
 Fixed Sof: H4A(0.5) H1B(0.5) H3A(0.5)
3.a Riding coordinates:
 O1A(H1A), O3B(H3B), O4B(H4BA)
3.b Secondary CH2 refined with riding coordinates:
 C3S(H3SA,H3SB), C2S(H2SA,H2SB), C1S(H1SA,H1SB), C4S(H4SA,H4SB)
3.c Aromatic/amide H refined with riding coordinates:
 C4B(H4B), C7A(H7A), C7B(H7B), C4A(H4AA)
3.d Idealised tetrahedral OH refined as rotating group:
 O4A(H4A), O1B(H1B), O3A(H3A)
;
_shelx_shelxl_version_number     2014/7
_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'