Chemistry of Boryllithium: Synthesis, Structure, and Reactivity
Yasutomo Segawa; Yuta Suzuki; Makoto Yamashita; Kyoko Nozaki; Journal of the American Chemical Society 130 (2008) 16069–16079; doi:10.1021/ja8057919

data_4108718
_publ_section_title
;
 Chemistry of Boryllithium: Synthesis, Structure, and Reactivity
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16069
_journal_page_last               16079
_journal_paper_doi               10.1021/ja8057919
_journal_volume                  130
_journal_year                    2008
_chemical_formula_sum            'C26 H36 B I N2'
_chemical_formula_weight         514.28
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                77.6015(8)
_cell_angle_beta                 86.8095(12)
_cell_angle_gamma                80.4265(12)
_cell_formula_units_Z            2
_cell_length_a                   7.4883(2)
_cell_length_b                   9.48350(10)
_cell_length_c                   18.5512(4)
_cell_measurement_reflns_used    4350
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.23
_cell_volume                     1268.50(5)
_computing_cell_refinement       HKL2000
_computing_data_collection       HKL2000
_computing_data_reduction        HKL2000
_computing_molecular_graphics    ORTEP-III
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'RIGAKU/MSC Meacury CCD'
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0128
_diffrn_reflns_av_sigmaI/netI    0.0192
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12253
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.23
_exptl_absorpt_coefficient_mu    1.277
_exptl_absorpt_correction_T_max  0.7843
_exptl_absorpt_correction_T_min  0.4685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.346
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.466
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         4350
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0168
_refine_ls_R_factor_gt           0.0165
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0068P)^2^+1.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0421
_refine_ls_wR_factor_ref         0.0423
_reflns_number_gt                4297
_reflns_number_total             4350
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8057919_si_002_02.cif
_cod_data_source_block           34a-I
_cod_database_code               4108718