Unsymmetrical diborane(4) derivatives by copper mediated B-B coupling.
Oschmann, W.; Borner, C.; Kleeberg, C.; Dalton transactions (Cambridge, England : 2003) 47 (2018) 5318–5327; doi:10.1039/c8dt00627j

data_7045951
_publ_section_title
;
 Unsymmetrical diborane(4) derivatives by copper mediated B-B coupling.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5318
_journal_page_last               5327
_journal_paper_doi               10.1039/c8dt00627j
_journal_volume                  47
_journal_year                    2018
_chemical_formula_moiety         'C16 H34 B2 N2 O2'
_chemical_formula_sum            'C16 H34 B2 N2 O2'
_chemical_formula_weight         308.07
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_audit_update_record
;
2018-01-30 deposited with the CCDC.
2018-03-13 downloaded from the CCDC.
;
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_cell_length_c                   10.7503(4)
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_cell_measurement_temperature    150(2)
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_computing_cell_refinement
;
 CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
;
_computing_data_collection
;
 CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
;
_computing_data_reduction
;
 CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
;
_computing_molecular_graphics
;
 K. Brandenburg, 2016, Diamond 4.2.2, Crystal Impact GbR, Bonn, Germany.
;
_computing_publication_material
;
 WinGX v2014.1 (L. J. Farrugia, J. Appl. Cryst., 2012, 45, 849-854.)
;
_computing_structure_refinement
;
 SHELXL-2017/1 (G. M. Sheldrick, Acta Cryst., 2015, C71, 3--8)
;
_computing_structure_solution
;
 SIR-92 (A. Altomare, G. Cascarano, C. Giacovazzo, A. Guagliardi, M. C. Burla,
         G. Polidori and M. Camalli, J. Appl. Crystallogr., 1994, 27, 435.)
;
_diffrn_ambient_environment      N~2~
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_diffrn_measurement_device_type  'Oxford Diffraction, Xcalibur, EOS'
_diffrn_measurement_method       \w-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_number            41198
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
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_exptl_absorpt_coefficient_mu    0.068
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_exptl_absorpt_correction_T_min  0.9939
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
 Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.071
_exptl_crystal_description       prism
_exptl_crystal_F_000             680
_exptl_crystal_recrystallization_method
;
 From solution in n-pentane at -40 deg C.
;
_exptl_crystal_size_max          0.365
_exptl_crystal_size_mid          0.333
_exptl_crystal_size_min          0.199
_refine_diff_density_max         0.367
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         2376
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0667
_refine_ls_R_factor_gt           0.0569
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0675P)^2^+0.9656P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1465
_refine_ls_wR_factor_ref         0.1528
_reflns_number_gt                2042
_reflns_number_total             2376
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt00627j2.cif
_cod_data_source_block           cb46ck1
_cod_depositor_comments
'Adding full bibliography for 7045941--7045953.cif.'
_cod_database_code               7045951
_shelx_shelxl_version_number     2017/1
_shelx_res_checksum              94702