New Roles for 1,1-Diamino-2,2-dinitroethene (FOX-7): Halogenated FOX-7 and Azo-bis(diahaloFOX) as Energetic Materials and Oxidizers
Thao T. Vo; Jiaheng Zhang; Damon A. Parrish; Brendan Twamley; Jean'ne M. Shreeve; Journal of the American Chemical Society 135 (2013) 11787–11790; doi:10.1021/ja406629g

data_4120299
_publ_contact_author_address
;
Laboratory for the Structure of Matter
Naval Research Laboratory
Washington, DC 20375
;
_publ_contact_author_email       damon.parrish@nrl.navy.mil
_publ_contact_author_fax         202-767-6874
_publ_contact_author_name        'Dr Damon A. Parrish'
_publ_contact_author_phone       202-404-2141
_publ_section_title
;
 New Roles for 1,1-Diamino-2,2-dinitroethene (FOX-7): Halogenated FOX-7
 and Azo-bis(diahaloFOX) as Energetic Materials and Oxidizers
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11787
_journal_page_last               11790
_journal_paper_doi               10.1021/ja406629g
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C3 H5 Cl N4 O4'
_chemical_formula_sum            'C3 H5 Cl N4 O4'
_chemical_formula_weight         196.56
_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'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2013-05-07
_audit_creation_method
;
  Olex2 1.2
  (compiled Apr 23 2013 17:54:37, GUI svn.r4466)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 111.447(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0235(12)
_cell_length_b                   9.8310(15)
_cell_length_c                   10.1811(15)
_cell_measurement_reflns_used    5629
_cell_measurement_temperature    149.5
_cell_measurement_theta_max      30.47
_cell_measurement_theta_min      2.79
_cell_volume                     747.47(19)
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
olex2.solve (L.J. Bourhis, O.V. Dolomanov, R.J. Gildea, J.A.K. Howard,
H. Puschmann, in preparation, 2011)
;
_diffrn_ambient_temperature      149.5
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0245
_diffrn_reflns_av_unetI/netI     0.0176
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11335
_diffrn_reflns_theta_full        30.54
_diffrn_reflns_theta_max         30.54
_diffrn_reflns_theta_min         2.79
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.494
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6309
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0562 before and 0.0385 after correction.
The Ratio of minimum to maximum transmission is 0.8456.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.747
_exptl_crystal_description       Needle
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.622
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.105
_refine_diff_density_max         0.411
_refine_diff_density_min         -0.422
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     115
_refine_ls_number_reflns         2276
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0403
_refine_ls_R_factor_gt           0.0341
_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^)+(0.0393P)^2^+0.5276P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0883
_refine_ls_wR_factor_ref         0.0922
_reflns_number_gt                1995
_reflns_number_total             2276
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja406629g_si_002_6.cif
_cod_data_source_block           tvo1372b_cryo_0m
_cod_database_code               4120299
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.5 times of:
  All C(H,H,H) groups, All N(H) groups
2.a Idealised Me refined as rotating group:
 C3(H3A,H3B,H3C)
2.b Idealised tetrahedral OH refined as rotating group:
 N2(H2)
;