Diboramacrocycles: reversible borole dimerisation-dissociation systems.
Fuchs, Sonja; Jayaraman, Arumugam; Krummenacher, Ivo; Haley, Laura; Baštovanović, Marta; Fest, Maximilian; Radacki, Krzysztof; Helten, Holger; Braunschweig, Holger; Chemical science 13 (2022) 2932–2938; doi:10.1039/d1sc06908j

data_1566313
_publ_section_title
;
 Diboramacrocycles: reversible borole dimerisation-dissociation systems.
;
_journal_issue                   10
_journal_name_full               'Chemical science'
_journal_page_first              2932
_journal_page_last               2938
_journal_paper_doi               10.1039/d1sc06908j
_journal_volume                  13
_journal_year                    2022
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C32 H22 B2 S2'
_chemical_formula_sum            'C32 H22 B2 S2'
_chemical_formula_weight         492.23
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           'CIF-fill 1.2j (K.Radacki 2005-20)'
_audit_update_record
;
2021-12-03 deposited with the CCDC.	2022-01-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.1200(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.42010(10)
_cell_length_b                   17.97960(10)
_cell_length_c                   12.12770(10)
_cell_measurement_reflns_used    55029
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      77.2850
_cell_measurement_theta_min      2.4660
_cell_volume                     2490.16(3)
_computing_cell_refinement       'CrysAlisPro 1.171.41.76a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.41.76a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.41.76a (Rigaku OD, 2020)'
_computing_molecular_graphics    'ShelXLe (Huebschle et all, 2011)'
_computing_publication_material  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT (Sheldrick, 2014)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'HPAD area detector (HyPix 6000)'
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Rigaku OD XtaLAB Synergy-S'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'multi-layer mirror'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0226
_diffrn_reflns_av_unetI/netI     0.0123
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            57553
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.976
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         77.330
_diffrn_reflns_theta_min         2.457
_diffrn_source                   'microfocus sealed tube (PhotonJet)'
_exptl_absorpt_coefficient_mu    2.074
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.77997
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 CrysAlisPro 1.171.41.76a (Rigaku Oxford Diffraction, 2020) Empirical 
absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK 
scaling algorithm.
;
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.189
_exptl_crystal_size_min          0.136
_refine_diff_density_max         0.457
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details
;
 Flack x determined using 4875 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.001(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     650
_refine_ls_number_reflns         10291
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0305
_refine_ls_R_factor_gt           0.0305
_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^)+(0.0651P)^2^+0.4838P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0819
_refine_ls_wR_factor_ref         0.0819
_reflns_Friedel_coverage         0.907
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.960
_reflns_number_gt                10287
_reflns_number_total             10291
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc06908j2.cif
_cod_data_source_block           3a
_cod_depositor_comments
'Adding full bibliography for 1566308--1566315.cif.'
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1566313
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.636
_shelx_estimated_absorpt_t_max   0.760
_shelx_res_checksum              4592
_shelx_hkl_checksum              10393