Combination of four oxadiazole rings for the generation of energetic materials with high detonation performance, low sensitivity and excellent thermal stability
Sun, Qi; Shen, Cheng; Li, Xin; Lin, Qiuhan; Lu, Ming; Journal of Materials Chemistry A 5 (2017) 11063–; doi:10.1039/C7TA02209C

data_7236571
_publ_section_title
;
 Combination of four oxadiazole rings for the generation of energetic
 materials with high detonation performance, low sensitivity and excellent
 thermal stability
;
_journal_issue                   22
_journal_name_full               'Journal of Materials Chemistry A'
_journal_page_first              11063
_journal_paper_doi               10.1039/C7TA02209C
_journal_volume                  5
_journal_year                    2017
_chemical_formula_moiety         'C8 H4 N12 O5, H2 O'
_chemical_formula_sum            'C8 H6 N12 O6'
_chemical_formula_weight         366.25
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-03-13 deposited with the CCDC.
2017-05-02 downloaded from the CCDC.
;
_cell_angle_alpha                105.546(3)
_cell_angle_beta                 97.600(2)
_cell_angle_gamma                111.740(2)
_cell_formula_units_Z            2
_cell_length_a                   8.3476(6)
_cell_length_b                   9.6589(7)
_cell_length_c                   9.7715(8)
_cell_measurement_reflns_used    2139
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.24
_cell_measurement_theta_min      3.04
_cell_volume                     681.05(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'PHOTON100 CMOS detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  'TRIUMPH curved crystal monochromator'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0605
_diffrn_reflns_av_sigmaI/netI    0.0768
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6298
_diffrn_reflns_theta_full        25.42
_diffrn_reflns_theta_max         25.42
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.154
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6622
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_density_diffrn    1.786
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.276
_refine_diff_density_min         -0.267
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         2466
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.1033
_refine_ls_R_factor_gt           0.0558
_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^)+(0.0403P)^2^+0.5487P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1018
_refine_ls_wR_factor_ref         0.1202
_reflns_number_gt                1644
_reflns_number_total             2466
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ta02209c2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_Hall     '-P 1   '
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               7236571