2-Methyl-6-nitro-2<i>H</i>-indazole
Long, Li; Liu, Bing-Ni; Liu, Mo; Liu, Deng-Ke; Acta Crystallographica Section E 67 (2011) o1546–; doi:10.1107/S1600536811019374

data_2230283
_publ_section_title
;
 2-Methyl-6-nitro-2<i>H</i>-indazole
;
_journal_coeditor_code           CV5096
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1546
_journal_paper_doi               10.1107/S1600536811019374
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C8 H7 N3 O2'
_chemical_formula_moiety         'C8 H7 N3 O2'
_chemical_formula_sum            'C8 H7 N3 O2'
_chemical_formula_weight         177.17
_chemical_name_systematic
;
2-Methyl-6-nitro-2<i>H</i>-indazole
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 95.722(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   3.793(3)
_cell_length_b                   12.200(8)
_cell_length_c                   16.675(11)
_cell_measurement_reflns_used    2636
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.1
_cell_volume                     767.8(9)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'CrystalStructure (Rigaku/MSC, 2005)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 14.22
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku Saturn724 CCD'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0391
_diffrn_reflns_av_sigmaI/netI    0.0400
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7726
_diffrn_reflns_theta_full        27.93
_diffrn_reflns_theta_max         27.93
_diffrn_reflns_theta_min         2.07
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.115
_exptl_absorpt_correction_T_max  0.9886
_exptl_absorpt_correction_T_min  0.9556
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku/MSC, 2005)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             368
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.226
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         1802
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0466
_refine_ls_R_factor_gt           0.0345
_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^)+(0.05P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0861
_refine_ls_wR_factor_ref         0.0916
_reflns_number_gt                1317
_reflns_number_total             1802
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv5096.cif
_cod_data_source_block           I
_cod_original_cell_volume        767.7(9)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2230283