<i>cis</i>-1,5-Dimethyl-2,4-dinitro-2,4-diazabicyclo[3.2.0]heptan-3-one and <i>cis</i>-1,5-Dimethyl-2,4-dinitro-2,4-diazabicyclo[3.1.0]hexan-3-one
Deschamps, J. R.; George, C.; Gilardi, R. D.; Gagnon, J. L.; Zajac, Jnr, W. W.; Acta Crystallographica Section C 52 (1996) 993–995; doi:10.1107/S010827019501393X

data_2004727
_publ_section_title
;
 <i>cis</i>-1,5-Dimethyl-2,4-dinitro-2,4-diazabicyclo[3.2.0]heptan-3-one
 and
 <i>cis</i>-1,5-Dimethyl-2,4-dinitro-2,4-diazabicyclo[3.1.0]hexan-3-one
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              993
_journal_page_last               995
_journal_paper_doi               10.1107/S010827019501393X
_journal_volume                  52
_journal_year                    1996
_chemical_formula_iupac          'C6 H8 N4 O5'
_chemical_formula_sum            'C6 H8 N4 O5'
_chemical_formula_weight         216.16
_chemical_melting_point          513.15
_chemical_name_systematic
;
2,4-dinitro-cis-1,5-dimethyl-2,4-diazabicyclo[3,1.0]hexan-3-one
;
_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'
_cell_angle_alpha                90
_cell_angle_beta                 91.30(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.3060(10)
_cell_length_b                   10.830(2)
_cell_length_c                   11.525(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      17.0
_cell_measurement_theta_min      10.0
_cell_volume                     911.7(3)
_computing_cell_refinement       SHELXTL-Plus
_computing_data_collection       'SHELXTL-Plus (Sheldrick, 1991)'
_computing_data_reduction        SHELXTL-Plus
_computing_molecular_graphics    SHELXTL-Plus
_computing_publication_material  SHELXTL-Plus
_computing_structure_refinement  'SHELXL93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'Siemens R3m/V'
_diffrn_measurement_method       \q/2\q
_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  0.0096
_diffrn_reflns_av_sigmaI/netI    0.0529
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            1810
_diffrn_reflns_theta_max         25.08
_diffrn_reflns_theta_min         2.58
_diffrn_standards_decay_%        'linear decay of 2.8%'
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.138
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.575
_exptl_crystal_density_method    none
_exptl_crystal_description       'clear rod'
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.265
_refine_diff_density_min         -0.247
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.032
_refine_ls_goodness_of_fit_obs   1.107
_refine_ls_hydrogen_treatment
'H atoms riding; C---H 0.96 for CH~3~ and 0.97\%A for CH~2~'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1621
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_restrained_S_obs      1.107
_refine_ls_R_factor_all          0.1062
_refine_ls_R_factor_obs          0.0547
_refine_ls_shift/esd_max         0.001
_refine_ls_shift/esd_mean        0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_scheme
;
calc w = 1/[\s^2^(F~o~^2^) + (0.0542P)^2^ + 0.6288P]
where P = (F~o~^2^ + 2F~c~^2^)/3
;
_refine_ls_wR_factor_all         0.1526
_refine_ls_wR_factor_obs         0.1233
_reflns_number_observed          971
_reflns_number_total             1621
_reflns_observed_criterion       >2\s(I)
_cod_data_source_file            fg1098.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '240\%C' was changed to '513.15' - it
was converted from degrees Celsius(C) to Kelvins(K).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21 /c'
_cod_database_code               2004727