Liquid Azide Salts and Their Reactions with Common Oxidizers IRFNA and N2O4
Stefan Schneider; Tommy Hawkins; Michael Rosander; Jeffrey Mills; Ghanshyam Vaghjiani; Steven Chambreau; Inorganic Chemistry 47 (2008) 6082–6089; doi:10.1021/ic8004739

data_4305475
_publ_contact_author_address
;10 East Saturn Blvd, Bldg. 8451
Edwards Air Force Base, CA 93524
;
_publ_contact_author_email       stefan.schneider@edwards.af.mil
_publ_contact_author_name        'Stefan Schneider'
_publ_section_title
;
Liquid Azide Salts and Their Reactions with Common Oxidizers IRFNA and N2O4
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6082
_journal_page_last               6089
_journal_paper_doi               10.1021/ic8004739
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C8H11N2+ N3-'
_chemical_formula_sum            'C8 H11 N5'
_chemical_formula_weight         177.22
_chemical_melting_point          339
_chemical_name_common            '2-butynyl-methylimidazolium azide'
_chemical_name_systematic        '1-(2-butynyl)-3-methyl-imidazolium azide'
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                68.765(3)
_cell_angle_beta                 89.253(3)
_cell_angle_gamma                80.307(3)
_cell_formula_units_Z            2
_cell_length_a                   7.1953(14)
_cell_length_b                   8.2380(17)
_cell_length_c                   8.4471(17)
_cell_measurement_reflns_used    5484
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.61
_cell_measurement_theta_min      2.59
_cell_volume                     459.42(16)
_computing_molecular_graphics    'X-Seed (Barbour, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.920
_diffrn_measured_fraction_theta_max 0.920
_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  0.0159
_diffrn_reflns_av_sigmaI/netI    0.0202
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5484
_diffrn_reflns_theta_full        28.61
_diffrn_reflns_theta_max         28.61
_diffrn_reflns_theta_min         2.59
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             188
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.179
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         2164
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0449
_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^)+(0.0589P)^2^+0.1244P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1131
_refine_ls_wR_factor_ref         0.1156
_reflns_number_gt                1980
_reflns_number_total             2164
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic8004739-file003_2.cif
_cod_data_source_block           sad
_cod_database_code               4305475