Borinine-FLP ring expansion: isolation of eight-membered B–P rings bridged by μ2 chalcogenide and chloronium ions
Frey, Nathan C.; Sarkar, Samir Kumar; Dickie, Diane A.; Molino, Andrew; Gilliard, Robert J.; Chemical Science 16 (2025) 10857–10866; doi:10.1039/D5SC02000J

data_1574614
_publ_section_title
;
 Borinine-FLP ring expansion: isolation of eight-membered B--P rings
 bridged by \m2 chalcogenide and chloronium ions
;
_journal_issue                   24
_journal_name_full               'Chemical Science'
_journal_page_first              10857
_journal_page_last               10866
_journal_paper_doi               10.1039/D5SC02000J
_journal_volume                  16
_journal_year                    2025
_chemical_formula_sum            'C140 H116 B4 O3 P4 Se2'
_chemical_formula_weight         2171.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_update_record
;
2024-07-06 deposited with the CCDC.	2025-05-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.3620(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.9940(4)
_cell_length_b                   23.9110(5)
_cell_length_c                   23.8368(4)
_cell_measurement_reflns_used    9958
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      68.3253
_cell_measurement_theta_min      2.6888
_cell_volume                     10815.6(4)
_computing_cell_refinement       'SAINT V8.40B (Bruker AXS LLC, 2019)'
_computing_data_collection       'Bruker Instrument Service V6.2.15'
_computing_data_reduction        'SAINT V8.40B (Bruker AXS LLC, 2019)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device       'Kappa four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture PhotonIII'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'HELIOS EF double bounce multilayer mirror'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0483
_diffrn_reflns_av_unetI/netI     0.0606
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            20491
_diffrn_reflns_theta_full        67.68
_diffrn_reflns_theta_max         68.36
_diffrn_reflns_theta_min         2.69
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_current           1.1
_diffrn_source_power             0.06
_diffrn_source_type              'Incoatec I\mS 3.0'
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    1.859
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.82
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sevvana, M., Ruf, M., Us\'on, I., Sheldrick, G. M., and Herbst-Irmer, R. (2019)
"Non-merohedral twinning: from minerals to proteins"
Acta. Cryst. D75, 1040-1050.
doi:10.1107/S2059798319010179
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             4512
_exptl_crystal_size_max          0.111
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.042
_refine_diff_density_max         0.906
_refine_diff_density_min         -0.426
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1389
_refine_ls_number_reflns         20491
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0652
_refine_ls_R_factor_gt           0.0444
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0517P)^2^+8.1450P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0990
_refine_ls_wR_factor_ref         0.1107
_reflns_Friedel_coverage         0.000
_reflns_number_gt                16691
_reflns_number_total             20491
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc02000j2.cif
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 1574608--1574615.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1574614
_shelx_res_checksum              12291