Surprising Chemistry of 6.Azidotetrazolo[5,1.a]phthalazine: What a Purported Natural Product Reveals about the Polymorphism of Explosives
Numez Avila, Aaron Gabriel; Deschênes-Simard, Benoît; Arnold, Joseph E.; Morency, Mathieu; Chartrand, Daniel; Maris, Thierry; Berger, Gilles; Day, Graham M.; Hanessian, Stephen; Wuest, James D.; Journal of Organic Chemistry 87 (2022) 6680–6694; doi:10.1021/acs.joc.2c00369

data_4038993
_publ_contact_author_id_orcid    0000-0001-9731-4046
_publ_section_title
;
 Surprising Chemistry of 6.Azidotetrazolo[5,1.a]phthalazine: What a
 Purported Natural Product Reveals about the Polymorphism of Explosives
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              6680
_journal_page_last               6694
_journal_paper_doi               10.1021/acs.joc.2c00369
_journal_volume                  87
_journal_year                    2022
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C8 H4 N8'
_chemical_formula_sum            'C8 H4 N8'
_chemical_formula_weight         212.19
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_contact_author_email      thierry.maris@umontreal.ca
_audit_contact_author_name       'Thierry Maris'
_audit_contact_author_phone      '+1 514 340 4711 2579'
_audit_creation_date             2021-02-02
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6226)
;
_cell_angle_alpha                90
_cell_angle_beta                 92.319(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.9733(1)
_cell_length_b                   12.1827(3)
_cell_length_c                   14.5857(3)
_cell_measurement_reflns_used    5167
_cell_measurement_temperature    100
_cell_measurement_theta_max      71.704
_cell_measurement_theta_min      3.032
_cell_volume                     883.00(3)
_computing_cell_refinement
;
SAINT (2013) V8.40B; Integration Software for Single Crystal Data.
Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_collection
;
APEX 3 (2019) Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_reduction
;
SAINT (2013) V8.40B; Integration Software for Single Crystal Data.
Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 8.3
_diffrn_detector_type            'Bruker APEX2 CCD'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker Smart APEX'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Quazar MX Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0415
_diffrn_reflns_av_unetI/netI     0.0163
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_number            3442
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         71.920
_diffrn_reflns_theta_min         3.032
_diffrn_source                   'Microfocus Source'
_diffrn_source_current           0.65
_diffrn_source_power             0.02912
_diffrn_source_target            Cu
_diffrn_source_type              'Incoatec I\mS High Brilliance Microsource'
_diffrn_source_voltage           70
_exptl_absorpt_coefficient_mu    0.954
_exptl_absorpt_correction_T_max  0.7535
_exptl_absorpt_correction_T_min  0.6198
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 TWINABS-2012/1 (Bruker,2012) was used for absorption correction.

Final HKLF 4 output contains 67246 reflections, Rint = 0.0415
 (60184 with I > 3sig(I), Rint = 0.0412)
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.596
_exptl_crystal_description       Block
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details
;
 Flack x determined using 1620 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.2(2)
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         3442
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0351
_refine_ls_R_factor_gt           0.0351
_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^)+(0.0846P)^2^+0.0881P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1015
_refine_ls_wR_factor_ref         0.1015
_reflns_Friedel_coverage         0.902
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                3437
_reflns_number_total             3442
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jw22776.cif
_cod_data_source_block           jw22776
_cod_database_code               4038993
_cod_database_fobs_code 4038993