1-(2,4-Dinitrophenyl)-3,3-dinitroazetidine
Yan, Biao; Ma, Hai-Xia; Hu, Yin; Guan, Yu-Lei; Song, Ji-Rong; Acta Crystallographica Section E 65 (2009) o3215–; doi:10.1107/S1600536809049861

data_2224378
_publ_section_title
;
 1-(2,4-Dinitrophenyl)-3,3-dinitroazetidine
;
_journal_coeditor_code           NG2691
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3215
_journal_paper_doi               10.1107/S1600536809049861
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C9 H7 N5 O8'
_chemical_formula_moiety         'C9 H7 N5 O8'
_chemical_formula_sum            'C9 H7 N5 O8'
_chemical_formula_weight         313.20
_chemical_name_systematic
;
1-(2,4-Dinitrophenyl)-3,3-dinitroazetidine
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 104.681(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.113(2)
_cell_length_b                   10.676(3)
_cell_length_c                   14.398(4)
_cell_measurement_reflns_used    1904
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.99
_cell_measurement_theta_min      2.40
_cell_volume                     1206.4(6)
_computing_cell_refinement       'SAINT (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2003)'
_computing_data_reduction        'SAINT (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELX-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEXII'
_diffrn_measurement_method       '\f 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  0.0194
_diffrn_reflns_av_sigmaI/netI    0.0269
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5860
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         2.40
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.154
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.724
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.213
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.201
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2140
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.201
_refine_ls_R_factor_all          0.0484
_refine_ls_R_factor_gt           0.0383
_refine_ls_shift/su_max          0.028
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0630P)^2^+0.0921P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1130
_refine_ls_wR_factor_ref         0.1177
_reflns_number_gt                1670
_reflns_number_total             2140
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            ng2691.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'None' changed to 'none' according
to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'None' changed to 'none'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1206.3(6)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2224378
_cod_database_fobs_code          2224378