Formamidinium Nitroformate: An Insensitive RDX Alternative.
Baxter, Amanda F.; Martin, Igor; Christe, Karl O.; Haiges, Ralf; Journal of the American Chemical Society 140 (2018) 15089–15098; doi:10.1021/jacs.8b10200

data_4133460
_publ_section_title
;
 Formamidinium Nitroformate: An Insensitive RDX Alternative.
;
_journal_issue                   44
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15089
_journal_page_last               15098
_journal_paper_doi               10.1021/jacs.8b10200
_journal_volume                  140
_journal_year                    2018
_chemical_formula_moiety         '2(C N3 O6), C2 H10 N2'
_chemical_formula_sum            'C4 H10 N8 O12'
_chemical_formula_weight         362.20
_chemical_name_systematic        'ethylenediammonium dinitroformate'
_space_group_crystal_system      monoclinic
_space_group_IT_number           12
_space_group_name_Hall           '-C 2y'
_space_group_name_H-M_alt        'C 1 2/m 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2018-04-24
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_cell_angle_alpha                90
_cell_angle_beta                 116.017(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.023(4)
_cell_length_b                   9.240(3)
_cell_length_c                   8.250(3)
_cell_measurement_reflns_used    2642
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      30.0851
_cell_measurement_theta_min      2.7472
_cell_volume                     686.6(4)
_computing_cell_refinement       'APEX3 v2016.5-0 (Bruker AXS, 2016)'
_computing_data_collection
'Bruker Instrument Service v2012.12.0.3 (Bruker AXS, 2012)'
_computing_data_reduction        'SAINT V8.37A (Bruker AXS, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector_area_resol_mean 8.3333
_diffrn_detector_type            'Bruker SMART CCD 1K area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_diffrn_measurement_method       'omega- and phi-scans'
_diffrn_radiation_monochromator  'TRIUMPH curved-crystal'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0533
_diffrn_reflns_av_unetI/netI     0.0312
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            8579
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.538
_diffrn_reflns_theta_min         2.747
_diffrn_source                   'fine-focus tube'
_exptl_absorpt_coefficient_mu    0.174
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6618
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2016/2 (Bruker AXS, 2016)'
_exptl_crystal_colour            'clear light yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.752
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.383
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     71
_refine_ls_number_reflns         1116
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0386
_refine_ls_R_factor_gt           0.0327
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0390P)^2^+0.4304P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0845
_refine_ls_wR_factor_ref         0.0882
_reflns_Friedel_coverage         0.000
_reflns_number_gt                967
_reflns_number_total             1116
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            Comp3.cif
_cod_data_source_block           Comp3
_cod_database_code               4133460
_shelx_shelxl_version_number     2017/1
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
2. Others
 Fixed Sof: H1C(0.5) H1D(0.5)
3.a Secondary CH2 refined with riding coordinates:
 C1(H1C,H1D)
;
_shelx_res_checksum              14162
_shelx_hkl_checksum              61936
_olex2_submission_special_instructions 'No special instructions were received'