3-Amino-1,2,4(4H)-oxadiazol-5-one (AOD) and its nitrogen-rich salts: a class of insensitive energetic materials
Kumar, A. Sudheer; Sasidharan, Nimesh; Ganguly, Rakesh; Leow, Dasheng; Hng, Huey Hoon; New Journal of Chemistry 42 (2018) 1840–; doi:10.1039/C7NJ03950F

data_7056848
_publ_section_title
;
 3-Amino-1,2,4(4H)-oxadiazol-5-one (AOD) and its nitrogen-rich salts: a
 class of insensitive energetic materials
;
_journal_issue                   3
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1840
_journal_paper_doi               10.1039/C7NJ03950F
_journal_volume                  42
_journal_year                    2018
_chemical_absolute_configuration unk
_chemical_formula_sum            'C2 H7 N5 O2'
_chemical_formula_weight         133.13
_chemical_melting_point          324
_chemical_name_common            AOD-HY
_chemical_name_systematic        AOD-Hydrazinium
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   mixed
_audit_update_record
;
2017-07-13 deposited with the CCDC.
2017-12-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.3609(4)
_cell_length_b                   10.8742(4)
_cell_length_c                   3.70460(10)
_cell_measurement_reflns_used    5095
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      27.0649
_cell_measurement_theta_min      2.4149
_cell_volume                     538.24(3)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2017)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2017)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'XS, VERSION 2013/1'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Photon II CPADs detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Multilayer Mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0644
_diffrn_reflns_av_unetI/netI     0.0304
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       4
_diffrn_reflns_limit_l_min       -4
_diffrn_reflns_number            11594
_diffrn_reflns_theta_full        27.09
_diffrn_reflns_theta_max         27.09
_diffrn_reflns_theta_min         2.42
_diffrn_source                   'Incoatec microfocus source'
_diffrn_source_type              'Bruker D8 Quest'
_exptl_absorpt_coefficient_mu    0.141
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.76
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.643
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             280
_exptl_crystal_preparation       'Energetic Properties'
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Hot Methanol'
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.154
_refine_diff_density_min         -0.220
_refine_ls_abs_structure_details
;

Flack x determined using 467 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.6(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     95
_refine_ls_number_reflns         1180
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0320
_refine_ls_R_factor_gt           0.0296
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0415P)^2^+0.1002P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0712
_refine_ls_wR_factor_ref         0.0730
_reflns_number_gt                1121
_reflns_number_total             1180
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7nj03950f2.cif
_cod_data_source_block           hhh18m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7056845--7056848.cif.
;
_cod_database_code               7056848
_shelx_res_checksum              72193