Novel 5-(4-Substituted-phenyldiazenyl)-1,3,2λ4-oxazaborines and Their Rearrangement to 1,2,4,3λ4-Triazaborines
Pešková, Markéta; Šim°unek, Petr; Bertolasi, Valerio; Macháček, Vladimír; Lyčka, Antonín; Organometallics 25 (2006) 2025–; doi:10.1021/om051078x

data_4075000
_publ_section_title
;
 Novel 5-(4-Substituted-phenyldiazenyl)-1,3,2\l4-oxazaborines and Their
 Rearrangement to 1,2,4,3\l4-Triazaborines
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              2025
_journal_paper_doi               10.1021/om051078x
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C24 H24 B N3 O2'
_chemical_formula_sum            'C24 H24 B N3 O2'
_chemical_formula_weight         397.27
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 96.390(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2803(4)
_cell_length_b                   12.4823(5)
_cell_length_c                   17.2317(8)
_cell_measurement_reflns_used    4907
_cell_measurement_temperature    295
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      3.3
_cell_volume                     2197.47(16)
_computing_cell_refinement       'Denzo SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1997)'
_computing_data_reduction        'Denzo SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP III(Burnett & Johnson, 1996)'
_computing_publication_material
;
SHELXL-97 (Sheldrick, 1997), PARST (Nardelli, 1995)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      295
_diffrn_measured_fraction_theta_full 0.944
_diffrn_measured_fraction_theta_max 0.944
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '\f scans and \w 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  0.0520
_diffrn_reflns_av_sigmaI/netI    0.0597
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17145
_diffrn_reflns_theta_full        28.34
_diffrn_reflns_theta_max         28.3
_diffrn_reflns_theta_min         3.3
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.201
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.174
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.3(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     555
_refine_ls_number_reflns         5416
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0746
_refine_ls_R_factor_gt           0.0481
_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^)+(0.0675P)^2^+0.0987P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1104
_refine_ls_wR_factor_ref         0.1250
_reflns_number_gt                4026
_reflns_number_total             5416
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            om051078xsi20060202_021337.cif
_cod_data_source_block           (17)
_cod_original_cell_volume        2197.5(2)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4075000