Oxy-bridged bis(1H-tetrazol-5-yl)furazan and its energetic salts paired with nitrogen-rich cations: highly thermally stable energetic materials with low sensitivity
Liang, Lixuan; Huang, Haifeng; Wang, Kai; Bian, Chengming; Song, Jinhong; Ling, Liming; Zhao, Fengqi; Zhou, Zhiming; Journal of Materials Chemistry 22 (2012) 21954–; doi:10.1039/c2jm33873d

data_7215105
_publ_section_title
;
 Oxy-bridged bis(1H-tetrazol-5-yl)furazan and its energetic salts paired
 with nitrogen-rich cations: highly thermally stable energetic materials
 with low sensitivity
;
_journal_issue                   41
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              21954
_journal_paper_doi               10.1039/c2jm33873d
_journal_volume                  22
_journal_year                    2012
_chemical_formula_sum            'C8 H16 N22 O3'
_chemical_formula_weight         468.43
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                100.980(5)
_cell_angle_beta                 100.110(4)
_cell_angle_gamma                92.151(3)
_cell_formula_units_Z            2
_cell_length_a                   7.102(2)
_cell_length_b                   10.781(3)
_cell_length_c                   12.643(4)
_cell_measurement_reflns_used    3373
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      30.032
_cell_measurement_theta_min      2.794
_cell_volume                     933.0(5)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  AFC10/Saturn724+
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0372
_diffrn_reflns_av_sigmaI/netI    0.0574
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10995
_diffrn_reflns_theta_full        30.01
_diffrn_reflns_theta_max         30.01
_diffrn_reflns_theta_min         2.79
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.135
_exptl_absorpt_correction_T_max  0.9696
_exptl_absorpt_correction_T_min  0.9318
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.668
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             484
_exptl_crystal_size_max          0.53
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.051
_refine_ls_extinction_coef       0.0311(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    X,Y,Z,Ueq
_refine_ls_matrix_type           full
_refine_ls_number_parameters     363
_refine_ls_number_reflns         5308
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.0595
_refine_ls_R_factor_gt           0.0406
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0206P)^2^+0.1600P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0822
_refine_ls_wR_factor_ref         0.0882
_reflns_number_gt                3834
_reflns_number_total             5308
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2jm33873d.txt
_cod_data_source_block           bo1660
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        932.9(5)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7215105