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_7244296
_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 H4 Br2 O4, C2 H4 O2'
_chemical_formula_sum            'C9 H8 Br2 O6'
_chemical_formula_weight         371.97
_chemical_name_systematic
'3,5-dibromo-resorcylic acid acetic acid solvate'
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2021-06-16
_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                 98.9201(16)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.2749(9)
_cell_length_b                   3.9072(2)
_cell_length_c                   35.441(2)
_cell_measurement_reflns_used    9711
_cell_measurement_temperature    120
_cell_measurement_theta_max      32.16
_cell_measurement_theta_min      2.33
_cell_volume                     2363.2(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      120.0
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.1977
_diffrn_reflns_av_unetI/netI     0.0700
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       51
_diffrn_reflns_limit_l_min       -52
_diffrn_reflns_number            48462
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.019
_diffrn_reflns_theta_min         2.327
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.873
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6331
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.1404 before and 0.0915 after correction. The Ratio of minimum to maximum transmission is 0.6331. 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    2.091
_exptl_crystal_description       prism
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.862
_exptl_crystal_size_mid          0.076
_exptl_crystal_size_min          0.069
_refine_diff_density_max         1.363
_refine_diff_density_min         -1.677
_refine_diff_density_rms         0.188
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     159
_refine_ls_number_reflns         4111
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0642
_refine_ls_R_factor_gt           0.0465
_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^)+(0.0439P)^2^+8.8146P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1078
_refine_ls_wR_factor_ref         0.1167
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3364
_reflns_number_total             4111
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce01592c2.cif
_cod_data_source_block           ke042
_cod_database_code               7244296
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.648
_shelx_estimated_absorpt_t_min   0.066
_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)
2.b Idealised Me refined as rotating group:
 C2S(H2SA,H2SB,H2SC)
2.c Idealised tetrahedral OH refined as rotating group:
 O1S(H1S), O4(H4), O3(H3), O1(H1)
;
_olex2_submission_special_instructions 'No special instructions were received'