3,6-Diethyl-<i>N,N</i>'-bis(3-methylphenyl)-1,6-dihydro-1,2,4,5-tetrazine-1,4-dicarboxamide
Shi, Hai-Bo; Hu, Wei-Xiao; Rao, Guo-Wu; Acta Crystallographica Section E 60 (2004) o1065–o1066; doi:10.1107/S1600536804012103

data_2203841
_publ_section_title
3,6-Diethyl-<i>N,N</i>'-bis(3-methylphenyl)-1,6-dihydro-1,2,4,5-tetrazine-1,4-dicarboxamide
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1065
_journal_page_last               o1066
_journal_paper_doi               10.1107/S1600536804012103
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C22 H26 N6 O2'
_chemical_formula_moiety         'C22 H26 N6 O2'
_chemical_formula_sum            'C22 H26 N6 O2'
_chemical_formula_weight         406.49
_chemical_melting_point          363.5(5)
_chemical_name_systematic
;
3,6-Diethyl-N,N'-bis(3-methylphenyl)-1,6-dihydro-1,2,4,5-tetrazine-
1,4-dicarboxyamide
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.56(2)
_cell_angle_beta                 80.66(2)
_cell_angle_gamma                95.19(3)
_cell_formula_units_Z            2
_cell_length_a                   8.425(4)
_cell_length_b                   11.357(2)
_cell_length_c                   11.489(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      14.29
_cell_measurement_theta_min      9.89
_cell_volume                     1048.5(6)
_computing_cell_refinement       'CAD-4 EXPRESS'
_computing_data_collection       'CAD-4 EXPRESS (Enraf-Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_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  0.0134
_diffrn_reflns_av_sigmaI/netI    0.0248
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -1
_diffrn_reflns_number            4371
_diffrn_reflns_theta_full        25.17
_diffrn_reflns_theta_max         25.17
_diffrn_reflns_theta_min         1.85
_diffrn_standards_decay_%        0.3
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9830
_exptl_absorpt_correction_T_min  0.9746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(ABSCOR; Higashi, 1995)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.165
_refine_ls_extinction_coef       0.016(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         3762
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0600
_refine_ls_R_factor_gt           0.0350
_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^)+(0.0591P)^2^+0.2187P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0962
_refine_ls_wR_factor_ref         0.1101
_reflns_number_gt                2707
_reflns_number_total             3762
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ww6211.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '363-364' was changed to '363.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '363-364' was changed to '363.5(5)' -
the average value was taken and precision was
estimated.

'_symmetry_cell_setting' value 'Triclinic' changed to
'triclinic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               2203841