1-(4,5-Dinitro-10-azatricyclo[6.3.1.0^2,7^]dodeca-2,4,6-trien-10-yl)-2,2,2-trifluoroethanone
Xu, Hao; Quan, Ji-Cai; Xu, Jian; Chen, Jing; Wang, Jin-Tang; Acta Crystallographica Section E 64 (2008) o2425–; doi:10.1107/S1600536808028158

data_2220220
_publ_section_title
1-(4,5-Dinitro-10-azatricyclo[6.3.1.0^2,7^]dodeca-2,4,6-trien-10-yl)-2,2,2-trifluoroethanone
_journal_coeditor_code           HK2521
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2425
_journal_paper_doi               10.1107/S1600536808028158
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C13 H10 F3 N3 O5'
_chemical_formula_moiety         'C13 H10 F3 N3 O5'
_chemical_formula_sum            'C13 H10 F3 N3 O5'
_chemical_formula_weight         345.24
_chemical_name_systematic
1-(4,5-Dinitro-10-azatricyclo[6.3.1.0^2,7^]dodeca-2,4,6-trien-10-yl)-2,2,2-trifluoroethanone
_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
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.98(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6400(19)
_cell_length_b                   7.7430(15)
_cell_length_c                   18.687(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      13
_cell_measurement_theta_min      10
_cell_volume                     1384.5(5)
_computing_cell_refinement       'CAD-4 Software (Enraf--Nonius, 1989)'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2003)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       '\w/2\q 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    0.0382
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2673
_diffrn_reflns_theta_full        25.28
_diffrn_reflns_theta_max         25.28
_diffrn_reflns_theta_min         2.13
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.154
_exptl_absorpt_correction_T_max  0.9848
_exptl_absorpt_correction_T_min  0.9554
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.656
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       red
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.329
_refine_diff_density_min         -0.348
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2513
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.1051
_refine_ls_R_factor_gt           0.0609
_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^)+(0.05P)^2^+4P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1365
_refine_ls_wR_factor_ref         0.1826
_reflns_number_gt                1592
_reflns_number_total             2513
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hk2521.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2220220
_cod_database_fobs_code          2220220