Two-dimensional halogen-bonded organic frameworks based on the tetrabromobenzene-1,4-dicarboxylic acid building molecule
Chongboriboon, Nucharee; Samakun, Kodchakorn; Inprasit, Thitirat; Kielar, Filip; Dungkaew, Winya; Wong, Lawrence W.-Y.; Sung, Herman H.-Y.; Ninković, Dragan B.; Zarić, Snežana D.; Chainok, Kittipong; CrystEngComm 22 (2020) 24–34; doi:10.1039/C9CE01140D

data_7234795
_publ_section_title
;
 Two-dimensional halogen-bonded organic frameworks based on the
 tetrabromobenzene-1,4-dicarboxylic acid building molecule
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              24
_journal_page_last               34
_journal_paper_doi               10.1039/C9CE01140D
_journal_volume                  22
_journal_year                    2020
_chemical_formula_moiety         'C8 H2 Br4 O4, 2(C2 H6 O)'
_chemical_formula_sum            'C12 H14 Br4 O6'
_chemical_formula_weight         573.87
_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'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2019-07-18
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-07-18 deposited with the CCDC.    2019-10-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1624(5)
_cell_length_b                   23.4820(12)
_cell_length_c                   8.9930(4)
_cell_measurement_reflns_used    9965
_cell_measurement_temperature    296
_cell_measurement_theta_max      29.114
_cell_measurement_theta_min      3.29
_cell_volume                     1934.86(17)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296
_diffrn_detector                 'Bruker PHOTON 100 area detector'
_diffrn_detector_area_resol_mean 10.5
_diffrn_detector_type            'PHOTON area detector'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'four-circle KAPPA diffractometer'
_diffrn_measurement_device_type  'BRUKER D8 CMOS PHOTON II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_collimation    '0.5 mm'
_diffrn_radiation_monochromator  'graphiteDouble Bounce Multilayer Mirror'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0370
_diffrn_reflns_av_unetI/netI     0.0166
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            32805
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.983
_diffrn_reflns_theta_min         3.291
_diffrn_source                   'microfocus sealed x-ray tube'
_diffrn_source_type              'Incoatec I\mus'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.340
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.3986
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1512 before and 0.0488 after correction. The Ratio of minimum to maximum transmission is 0.5345. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.970
_exptl_crystal_description       block
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.398
_refine_diff_density_min         -0.647
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1938
_refine_ls_number_restraints     58
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0344
_refine_ls_R_factor_gt           0.0275
_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^)+(0.0366P)^2^+1.9856P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0688
_refine_ls_wR_factor_ref         0.0730
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1630
_reflns_number_total             1938
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ce01140d2.cif
_cod_data_source_block           2etoh_rt
_cod_depositor_comments
;Adding full bibliography for 7234791--7234798.cif.

 Adding full bibliography for 7234791--7234798.cif.
;
_cod_database_code               7234795
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.204
_shelx_estimated_absorpt_t_min   0.169
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2. Restrained distances
 O1-H1
 0.82 with sigma of 0.01
 O3A-C5A \\sim O3B-C5B
 with sigma of 0.01
 C5A-C6A \\sim C5B-C6B
 with sigma of 0.01
 O3A-C6A \\sim O3B-C6B
 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
Uanis(O3A) \\sim Ueq, Uanis(C5A) \\sim Ueq, Uanis(C6A) \\sim Ueq: with sigma of
0.01 and sigma for terminal atoms of 0.02
Uanis(C6B) \\sim Ueq, Uanis(O3B) \\sim Ueq, Uanis(C5B) \\sim Ueq: with sigma of
0.01 and sigma for terminal atoms of 0.02
4. Rigid body (RIGU) restrains
 O3A, C5A, C6A
 with sigma for 1-2 distances of 0.0002 and sigma for 1-3 distances of 0.0002
 O3B, C5B, C6B
 with sigma for 1-2 distances of 0.0002 and sigma for 1-3 distances of 0.0002
5. Others
 Sof(O3B)=Sof(H3B)=Sof(C5B)=Sof(H5BA)=Sof(H5BB)=Sof(C6B)=Sof(H6BA)=Sof(H6BB)=
 Sof(H6BC)=1-FVAR(1)
 Sof(O3A)=Sof(H3A)=Sof(C5A)=Sof(H5AA)=Sof(H5AB)=Sof(C6A)=Sof(H6AA)=Sof(H6AB)=
 Sof(H6AC)=FVAR(1)
6.a Secondary CH2 refined with riding coordinates:
 C5A(H5AA,H5AB), C5B(H5BA,H5BB)
6.b Idealised Me refined as rotating group:
 C6A(H6AA,H6AB,H6AC), C6B(H6BA,H6BB,H6BC)
6.c Idealised tetrahedral OH refined as rotating group:
 O3A(H3A), O3B(H3B)
;
_shelx_res_checksum              25454
_olex2_submission_special_instructions 'No special instructions were received'