(3,6-Dimethyl-1,2,4,5-tetrazine-1,4-diyl)bis[(morpholin-4-yl)methanone]
Sun, Na-Bo; Guo, Yan-Mei; Rao, Guo-Wu; Acta Crystallographica Section E 68 (2012) o681–; doi:10.1107/S1600536812004849

data_2233928
_publ_section_title
;
 (3,6-Dimethyl-1,2,4,5-tetrazine-1,4-diyl)bis[(morpholin-4-yl)methanone]
;
_journal_coeditor_code           LH5412
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o681
_journal_paper_doi               10.1107/S1600536812004849
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C14 H22 N6 O4'
_chemical_formula_moiety         'C14 H22 N6 O4'
_chemical_formula_sum            'C14 H22 N6 O4'
_chemical_formula_weight         338.38
_chemical_name_systematic
;
(3,6-Dimethyl-1,2,4,5-tetrazine-1,4-diyl)bis[(morpholin-4-yl)methanone]
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.576(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.285(3)
_cell_length_b                   6.5977(14)
_cell_length_c                   16.729(4)
_cell_measurement_reflns_used    6920
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.22
_cell_measurement_theta_min      2.91
_cell_volume                     1616.9(6)
_computing_cell_refinement       'SAINT (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1997)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0200
_diffrn_reflns_av_sigmaI/netI    0.0244
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9248
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         28.33
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9712
_exptl_absorpt_correction_T_min  0.9443
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.390
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.267
_refine_ls_extinction_coef       0.036(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3714
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0610
_refine_ls_R_factor_gt           0.0487
_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^)+(0.0823P)^2^+0.2523P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1418
_reflns_number_gt                2908
_reflns_number_total             3714
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh5412.cif
_cod_data_source_block           I
_cod_original_cell_volume        1617.0(6)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2233928
_cod_database_fobs_code          2233928