Methyl sydnone imine and its energetic salts
Gettings, Matthew L.; Byrd, Edward F. C.; Zeller, Matthias; Piercey, Davin; New Journal of Chemistry 45 (2021) 2228–2236; doi:10.1039/D0NJ05354F

data_7060277
_publ_section_title
;
 Methyl sydnone imine and its energetic salts
;
_journal_issue                   4
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              2228
_journal_page_last               2236
_journal_paper_doi               10.1039/D0NJ05354F
_journal_volume                  45
_journal_year                    2021
_chemical_absolute_configuration ukn
_chemical_formula_moiety         'C2 N7 O2, C3 H6 N3 O'
_chemical_formula_sum            'C5 H6 N10 O3'
_chemical_formula_weight         254.20
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-10-06 deposited with the CCDC.	2021-01-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.2488(8)
_cell_length_b                   13.9673(14)
_cell_length_c                   14.1051(18)
_cell_measurement_reflns_used    5415
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.5696
_cell_measurement_theta_min      2.8890
_cell_volume                     1034.1(2)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_collection       'Apex3 v2019.1-0 (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_structure_refinement
;  
SHELXL-2018/3 (Sheldrick, 2015, 2018), 
SHELXLE Rev1146 (H\"ubschle et al., 2011)
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
;
Bruker AXS D8 Quest diffractometer with PhotonII charge-integrating pixel 
array detector (CPAD)
;
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'Triumph curved graphite crystal'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0731
_diffrn_reflns_av_unetI/netI     0.0507
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            19772
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.538
_diffrn_reflns_theta_min         2.888
_diffrn_source                   'fine focus sealed tube X-ray source'
_diffrn_source_current           '30 mA'
_diffrn_source_voltage           '50 kV'
_exptl_absorpt_coefficient_mu    0.137
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.6069
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.633
_exptl_crystal_description       fragment
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.206
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details
;
 Flack x determined using 889 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.3(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         3434
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0655
_refine_ls_R_factor_gt           0.0401
_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^)+(0.0344P)^2^+0.2762P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0863
_refine_ls_wR_factor_ref         0.0967
_reflns_Friedel_coverage         0.719
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.996
_reflns_number_gt                2584
_reflns_number_total             3434
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0nj05354f2.cif
_cod_data_source_block           G117d_MSI_TAZ_EtOH_0m
_cod_depositor_comments
'Adding full bibliography for 7060272--7060278.cif.'
_cod_database_code               7060277
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.972
_shelx_estimated_absorpt_t_max   0.993
_shelx_res_checksum              64881
_shelx_hkl_checksum              7941