Base-Promoted Decarboxylative Azo-Coupling: Construction of Unsymmetrical Azocarboranes.
Li, Huan-Huan; Bai, Fan; Yan, Hong; Lu, Chang-Sheng; Organic letters 19 (2017) 862–865; doi:10.1021/acs.orglett.7b00013

data_1545447
_publ_section_title
;
 Base-Promoted Decarboxylative Azo-Coupling: Construction of Unsymmetrical
 Azocarboranes.
;
_journal_issue                   4
_journal_name_full               'Organic letters'
_journal_page_first              862
_journal_page_last               865
_journal_paper_doi               10.1021/acs.orglett.7b00013
_journal_volume                  19
_journal_year                    2017
_chemical_formula_sum            'C12 H24 B10 N2'
_chemical_formula_weight         304.43
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.699(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.0584(8)
_cell_length_b                   12.6160(14)
_cell_length_c                   21.271(3)
_cell_measurement_reflns_used    3155
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.40
_cell_measurement_theta_min      2.52
_cell_volume                     1877.1(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0386
_diffrn_reflns_av_sigmaI/netI    0.0410
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            12612
_diffrn_reflns_theta_full        27.58
_diffrn_reflns_theta_max         27.58
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.055
_exptl_absorpt_correction_T_max  0.9848
_exptl_absorpt_correction_T_min  0.9848
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.077
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.385
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         4311
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0745
_refine_ls_R_factor_gt           0.0518
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0837P)^2^+0.4336P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1414
_refine_ls_wR_factor_ref         0.1573
_reflns_number_gt                3199
_reflns_number_total             4311
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol7b00013_si_002.cif
_cod_data_source_block           3ae
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      'P2(1)/n  '
_cod_database_code               1545447