Cage-walking: Vertex Differentiation by Palladium-Catalyzed Isomerization of B(9)-Bromo-meta-Carborane.
Dziedzic, Rafal Miroslaw; Martin, Joshua L.; Axtell, Jonathan C.; Saleh, Liban M. A.; Ong, Ta-Chung; Yang, Yun-Fang; Messina, Marco S.; Rheingold, Arnold L.; Houk, Kendall N.; Spokoyny, Alexander M.; Journal of the American Chemical Society  (2017) –; doi:10.1021/jacs.7b04080

data_4126076
_publ_section_title
;
 Cage-walking: Vertex Differentiation by Palladium-Catalyzed Isomerization
 of B(9)-Bromo-meta-Carborane.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b04080
_journal_year                    2017
_chemical_formula_moiety         'C10 H20 B10 O'
_chemical_formula_sum            'C10 H20 B10 O'
_chemical_formula_weight         264.36
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2016-11-14
_audit_creation_method
;
Olex2 1.2
(compiled 2016.09.09 svn.r3337 for OlexSys, GUI svn.r5227)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.834
_cell_length_b                   13.872
_cell_length_c                   14.386
_cell_measurement_reflns_used    3967
_cell_measurement_temperature    100
_cell_measurement_theta_max      68.51
_cell_measurement_theta_min      4.44
_cell_volume                     1563.373
_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  'XL (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0563
_diffrn_reflns_av_unetI/netI     0.0550
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9154
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         68.172
_diffrn_reflns_theta_min         4.428
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.417
_exptl_absorpt_correction_T_max  0.4672
_exptl_absorpt_correction_T_min  0.3866
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0924 before and 0.0717 after correction.
The Ratio of minimum to maximum transmission is 0.8275.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.123
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.191
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details
;
 Flack x determined using 902 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.06(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     225
_refine_ls_number_reflns         2848
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0618
_refine_ls_R_factor_gt           0.0527
_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^)+(0.0904P)^2^+0.1050P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1384
_refine_ls_wR_factor_ref         0.1458
_reflns_Friedel_coverage         0.716
_reflns_Friedel_fraction_full    0.992
_reflns_Friedel_fraction_max     0.988
_reflns_number_gt                2465
_reflns_number_total             2848
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b04080_si_002.cif
_cod_data_source_block           spok49_0m
_cod_original_cell_volume        1563.3
_cod_database_code               4126076
_shelx_estimated_absorpt_t_max   0.967
_shelx_estimated_absorpt_t_min   0.892
_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 Aromatic/amide H refined with riding coordinates:
 C4(H4), C6(H6), C8(H8)
2.b Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C)
;
_shelx_res_checksum              11696
_shelx_hkl_checksum              9600
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'