Rhodium(iii)-catalyzed dehydrogenative dialkenylation of the monocarba-closo-decaborate cluster by regioselective B-H activation.
Liang, Xuewei; Shen, Yunjun; Zhang, Kang; Liu, Jiyong; Duttwyler, Simon; Chemical communications (Cambridge, England) 54 (2018) 12451–12454; doi:10.1039/c8cc05983g

data_7122348
_publ_section_title
;
 Rhodium(iii)-catalyzed dehydrogenative dialkenylation of the
 monocarba-closo-decaborate cluster by regioselective B-H activation.
;
_journal_issue                   88
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              12451
_journal_page_last               12454
_journal_paper_doi               10.1039/c8cc05983g
_journal_volume                  54
_journal_year                    2018
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C21 H29 B9 N O, C8 H20 N'
_chemical_formula_sum            'C29 H49 B9 N2 O'
_chemical_formula_weight         538.99
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2018-07-10
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2018-07-10 deposited with the CCDC.
2018-09-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.4330(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.9588(2)
_cell_length_b                   22.6600(4)
_cell_length_c                   18.5609(3)
_cell_measurement_reflns_used    9886
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      54.97
_cell_measurement_theta_min      5.363
_cell_volume                     3347.30(12)
_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      170.0
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.979
_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  0.0378
_diffrn_reflns_av_unetI/netI     0.0438
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 0.979
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12239
_diffrn_reflns_point_group_measured_fraction_full 0.839
_diffrn_reflns_point_group_measured_fraction_max 0.831
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         55.017
_diffrn_reflns_theta_min         5.360
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.283
_exptl_absorpt_correction_T_max  0.7508
_exptl_absorpt_correction_T_min  0.5136
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1117 before and 0.0601 after correction. The Ratio of minimum to maximum transmission is 0.6841. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.070
_exptl_crystal_description       block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.153
_refine_diff_density_min         -0.166
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details
;
 Flack x determined using 2035 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.04(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     380
_refine_ls_number_reflns         5310
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0341
_refine_ls_R_factor_gt           0.0333
_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^)+(0.0442P)^2^+0.5679P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0857
_reflns_Friedel_coverage         0.694
_reflns_Friedel_fraction_full    0.695
_reflns_Friedel_fraction_max     0.683
_reflns_number_gt                5165
_reflns_number_total             5310
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc05983g2.cif
_cod_data_source_block           wmj18010_0m
_cod_depositor_comments
'Adding full bibliography for 7122346--7122349.cif.'
_cod_database_code               7122348
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.967
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All B(H) groups, All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C3(H3)
2.b Secondary CH2 refined with riding coordinates:
 C22(H22A,H22B), C24(H24A,H24B), C26(H26A,H26B), C28(H28A,H28B)
2.c Aromatic/amide H refined with riding coordinates:
 N1(H1), C6(H6), C7(H7), C9(H9), C10(H10), C11(H11), C12(H12), C13(H13),
 C14(H14), C15(H15), C17(H17), C18(H18), C19(H19), C20(H20), C21(H21)
2.d Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C), C5(H5A,H5B,H5C), C23(H23A,H23B,H23C), C25(H25A,H25B,H25C),
 C27(H27A,H27B,H27C), C29(H29A,H29B,H29C)
2.e Boron cage BH refined with riding coordinates:
 B4(H4), B5(H5), B6(H6A), B7(H7A), B8(H8), B9(H9A)
;
_shelx_res_checksum              42612
_olex2_submission_special_instructions 'No special instructions were received'