The structure of fluorinated indazoles: the effect of the replacement of a H by a F atom on the supramolecular structure of NH-indazoles
Johannes Teichert; Pascal Oulié; Kane Jacob; Laure Vendier; Michel Etienne; Rosa M. Claramunt; Concepción López; Carlos Pérez Medina; Ibon Alkorta; José Elguero; New Journal of Chemistry 31 (2007) 936–; doi:10.1039/b617988f

data_7052140
_publ_section_title
;
 The structure of fluorinated indazoles: the effect of the replacement
 of a H by a F atom on the supramolecular structure of NH-indazoles
;
_journal_issue                   6
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              936
_journal_paper_doi               10.1039/b617988f
_journal_volume                  31
_journal_year                    2007
_chemical_absolute_configuration unk
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C8 H5 F3 N2'
_chemical_formula_sum            'C8 H5 F3 N2'
_chemical_formula_weight         186.14
_space_group_IT_number           145
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      145
_symmetry_space_group_name_Hall  'P 32'
_symmetry_space_group_name_H-M   'P 32'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   12.5397(18)
_cell_length_b                   12.5397(18)
_cell_length_c                   4.3463(9)
_cell_measurement_reflns_used    3500
_cell_measurement_temperature    180
_cell_measurement_theta_max      32.1205
_cell_measurement_theta_min      3.2421
_cell_measurement_wavelength     0.71073
_cell_volume                     591.87(17)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.96
_diffrn_measured_fraction_theta_max 0.96
_diffrn_measurement_device_type  'Oxford-Diffraction XCALIBUR'
_diffrn_measurement_method       \w-\f
_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  0.1597
_diffrn_reflns_av_unetI/netI     0.1097
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            6295
_diffrn_reflns_theta_full        32.13
_diffrn_reflns_theta_max         32.13
_diffrn_reflns_theta_min         3.25
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.146
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.931
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
(See: Walker, N. & Stuart, D. (1983) Acta Cryst. A39, 158-166)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.567
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             282
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.255
_refine_diff_density_min         -0.246
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     118
_refine_ls_number_reflns         1329
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.1277
_refine_ls_R_factor_gt           0.0885
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0697P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1489
_refine_ls_wR_factor_ref         0.1687
_reflns_number_gt                861
_reflns_number_total             1329
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            b617988f.txt
_cod_data_source_block           2
_cod_database_code               7052140