Energetic compounds consisting of 1,2,5- and 1,3,4-oxadiazole rings
Tang, Yongxing; He, Chunlin; Mitchell, Lauren A.; Parrish, Damon A.; Shreeve, Jean'ne M.; Journal of Materials Chemistry A 3 (2015) 23143–; doi:10.1039/C5TA06898C

data_7236114
_publ_section_title
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 Energetic compounds consisting of 1,2,5- and 1,3,4-oxadiazole rings
;
_journal_issue                   46
_journal_name_full               'Journal of Materials Chemistry A'
_journal_page_first              23143
_journal_paper_doi               10.1039/C5TA06898C
_journal_volume                  3
_journal_year                    2015
_chemical_formula_moiety         'C4 H3 N7 O4, H2 O'
_chemical_formula_sum            'C4 H5 N7 O5'
_chemical_formula_weight         231.15
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-08-21 deposited with the CCDC.
2015-10-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.043(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.5964(3)
_cell_length_b                   7.4775(3)
_cell_length_c                   17.4904(7)
_cell_measurement_reflns_used    1580
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.77
_cell_measurement_theta_min      3.19
_cell_volume                     856.20(6)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       '\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  0.0387
_diffrn_reflns_av_unetI/netI     0.0336
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7971
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.426
_diffrn_reflns_theta_min         3.188
_exptl_absorpt_coefficient_mu    0.163
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6788
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2008/1 (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.793
_exptl_crystal_description       plate
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.112
_exptl_crystal_size_mid          0.103
_exptl_crystal_size_min          0.056
_refine_diff_density_max         0.221
_refine_diff_density_min         -0.159
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         1763
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.0691
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+0.0997P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0810
_refine_ls_wR_factor_ref         0.0943
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1196
_reflns_number_total             1763
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ta06898c3.cif
_cod_data_source_block           shrv320
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7236114
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.982
_shelx_estimated_absorpt_t_max   0.991