Ring-opening and ring-expansion reactions of carborane-fused borirane
Wang, Hanqiang; Zhang, Jie; Xie, Zuowei; Chemical Science  (2021) –; doi:10.1039/D1SC04453B

data_1564677
_publ_section_title
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 Ring-opening and ring-expansion reactions of carborane-fused borirane
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC04453B
_journal_year                    2021
_chemical_formula_moiety         'C30 H46 B11 Br N2 O2, C7 H8'
_chemical_formula_sum            'C37 H54 B11 Br N2 O2'
_chemical_formula_weight         757.64
_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_creation_date             2020-05-09
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-08-09 deposited with the CCDC.	2021-09-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.170(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.2696(3)
_cell_length_b                   17.6298(6)
_cell_length_c                   24.8027(8)
_cell_measurement_reflns_used    9939
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      54.96
_cell_measurement_theta_min      3.14
_cell_volume                     4433.2(2)
_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  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      169.98
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0703
_diffrn_reflns_av_unetI/netI     0.0597
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            32267
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         55.022
_diffrn_reflns_theta_min         3.140
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.017
_exptl_absorpt_correction_T_max  0.7508
_exptl_absorpt_correction_T_min  0.4592
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1481 before and 0.0935 after correction.
The Ratio of minimum to maximum transmission is 0.6116.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_description       block
_exptl_crystal_F_000             1584
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.842
_refine_diff_density_min         -1.264
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     487
_refine_ls_number_reflns         8410
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0593
_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^)+(0.0725P)^2^+8.3910P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1537
_refine_ls_wR_factor_ref         0.1614
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7072
_reflns_number_total             8410
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc04453b2.cif
_cod_data_source_block           9
_cod_database_code               1564677
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.980
_shelx_estimated_absorpt_t_min   0.905
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All B(H) groups, All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C13(H13), C16(H16), C25(H25), C28(H28)
2.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C9(H9), C10(H10), C11(H11), C21(H21), C22(H22), C23(H23),
 C31(H31), C32(H32), C33(H33), C34(H34), C35(H35)
2.c Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C), C26(H26A,H26B,H26C), C27(H27A,H27B,H27C), C29(H29A,H29B,H29C), C30(H30A,
 H30B,H30C), C37(H37A,H37B,H37C)
2.d Boron cage BH refined with riding coordinates:
 B3(H3), B4(H4), B5(H5A), B6(H6A), B7(H7), B8(H8), B9(H9A), B10(H10A),
 B11(H11A), B12(H12)
;
_shelx_res_checksum              65124
_shelx_hkl_checksum              12432
_shelx_fab_checksum              65315
_olex2_submission_special_instructions 'No special instructions were received'