Ring-Closure Reactions of 1,2-Diaza-4,5-benzoheptatrienyl Metal Compounds: Experiment and Theory
Tillmann Kleine; Klaus Bergander; Roland Fröhlich; Birgit Wibbeling; Ernst-Ulrich Würthwein; Journal of Organic Chemistry 76 (2011) 1979–1991; doi:10.1021/jo2001534

data_4026178
_publ_section_title
;
 Ring-Closure Reactions of 1,2-Diaza-4,5-benzoheptatrienyl Metal
 Compounds: Experiment and Theory
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1979
_journal_page_last               1991
_journal_paper_doi               10.1021/jo2001534
_journal_volume                  76
_journal_year                    2011
_chemical_formula_sum            'C20 H21 F N2 O'
_chemical_formula_weight         324.39
_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                96.224(2)
_cell_angle_beta                 96.788(1)
_cell_angle_gamma                109.107(1)
_cell_formula_units_Z            2
_cell_length_a                   8.8802(2)
_cell_length_b                   9.8243(2)
_cell_length_c                   10.8484(2)
_cell_measurement_reflns_used    2736
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     877.04(3)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.044
_diffrn_reflns_av_sigmaI/netI    0.0261
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            10825
_diffrn_reflns_theta_full        69.28
_diffrn_reflns_theta_max         69.28
_diffrn_reflns_theta_min         4.16
_exptl_absorpt_coefficient_mu    0.675
_exptl_absorpt_correction_T_max  0.9670
_exptl_absorpt_correction_T_min  0.7981
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_description       plate
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.146
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3165
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0422
_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^)+(0.0543P)^2^+0.2076P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1094
_refine_ls_wR_factor_ref         0.1130
_reflns_number_gt                2831
_reflns_number_total             3165
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo2001534_si_007.cif
_cod_data_source_block           wue4353
_cod_database_code               4026178