Cocrystals of 1,3,5,7-Tetranitro-1,3,5,7-tetrazacyclooctane (HMX)
Landenberger, Kira B.; Matzger, Adam J.; Crystal Growth & Design 12 (2012) 3603–; doi:10.1021/cg3004245

data_4506615
_publ_section_title
;
 Cocrystals of 1,3,5,7-Tetranitro-1,3,5,7-tetrazacyclooctane (HMX)
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3603
_journal_paper_doi               10.1021/cg3004245
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C4 H8 N8 O8, C6 H10 N2 O2'
_chemical_formula_sum            'C10 H18 N10 O10'
_chemical_formula_weight         438.34
_chemical_name_common            'HMX - 1,4-piperazinedicarboxaldehyde'
_chemical_name_systematic
; 
 1,3,5,7-tetranitro-1,3,5,7-tetraza-cyclooctane - 1,4-piperazinedicarboxaldehyde 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.246(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.8386(9)
_cell_length_b                   6.4188(5)
_cell_length_c                   20.7476(16)
_cell_measurement_reflns_used    3796
_cell_measurement_temperature    95(2)
_cell_measurement_theta_max      63.67
_cell_measurement_theta_min      6.60
_cell_volume                     1786.3(2)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r4'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0 (Rigaku, 2009)'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      95(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID imaging plate'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0685
_diffrn_reflns_av_sigmaI/netI    0.1053
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8452
_diffrn_reflns_theta_full        63.68
_diffrn_reflns_theta_max         63.68
_diffrn_reflns_theta_min         6.60
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.272
_exptl_absorpt_correction_T_max  0.9628
_exptl_absorpt_correction_T_min  0.7941
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.630
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.774
_refine_diff_density_min         -0.570
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.199
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         2882
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.199
_refine_ls_R_factor_all          0.1536
_refine_ls_R_factor_gt           0.0937
_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^)+(0.1555P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2484
_refine_ls_wR_factor_ref         0.3361
_reflns_number_gt                1233
_reflns_number_total             2882
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             4506303
_cod_data_source_file            cg3004245_si_002.cif
_cod_data_source_block           HMX_1,4-pdca
_cod_database_code               4506615