Two derivatives of 1,5-disubstituted tetrazoles: 1-(4-nitrophenyl)-1<i>H</i>-tetrazol-5-amine and {(<i>E</i>)-[1-(4-ethoxyphenyl)-1<i>H</i>-tetrazol-5-yl]iminomethyl}dimethylamine
Lyakhov, Alexander S.; Vorobiov, Andrey N.; Ivashkevich, Ludmila S.; Gaponik, Pavel N.; Acta Crystallographica Section C 64 (2008) o414–o416; doi:10.1107/S0108270108019707

data_2016735
_publ_section_title
;Two derivatives of 1,5-disubstituted tetrazoles:
 1-(4-nitrophenyl)-1<i>H</i>-tetrazol-5-amine and
 {(<i>E</i>)-[1-(4-ethoxyphenyl)-1<i>H</i>-tetrazol-5-yl]iminomethyl}dimethylamine
;
_journal_coeditor_code           SK3250
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o414
_journal_page_last               o416
_journal_paper_doi               10.1107/S0108270108019707
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C12 H16 N6 O'
_chemical_formula_moiety         'C12 H16 N6 O'
_chemical_formula_sum            'C12 H16 N6 O'
_chemical_formula_weight         260.31
_chemical_name_systematic
;
{(E)-[1-(4-ethoxyphenyl)-1H-tetrazol-5-yl]iminomethyl}dimethylamine
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.694(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.4150(16)
_cell_length_b                   17.514(3)
_cell_length_c                   8.8300(14)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      16.8
_cell_measurement_theta_min      11.8
_cell_volume                     1298.7(4)
_computing_cell_refinement       'R3m software (Nicolet, 1980)'
_computing_data_collection       'R3m software (Nicolet, 1980)'
_computing_data_reduction        'R3m software (Nicolet, 1980)'
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2003)
;
_computing_publication_material
;
PLATON (Spek, 2003) and SHELXL97 (Sheldrick, 2008)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare <i>et al.</i>,  1999)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nicolet R3m four-circle'
_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  0.0148
_diffrn_reflns_av_sigmaI/netI    0.0224
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3232
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         2.33
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.204
_refine_diff_density_min         -0.178
_refine_ls_extinction_coef       0.018(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   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         2999
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.0470
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0867P)^2^+0.1412P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1350
_refine_ls_wR_factor_ref         0.1541
_reflns_number_gt                2132
_reflns_number_total             2999
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk3250.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (9 times).

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

The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (9 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2016735
_cod_database_fobs_code          2016735