Bis(4-methoxypyridin-3-yl)diazene
Thies, Steffen; Näther, Christian; Herges, Rainer; Acta Crystallographica Section E 68 (2012) o1568–; doi:10.1107/S1600536812018326

data_2234543
_publ_section_title
;
 Bis(4-methoxypyridin-3-yl)diazene
;
_journal_coeditor_code           BT5885
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1568
_journal_paper_doi               10.1107/S1600536812018326
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C12 H12 N4 O2'
_chemical_formula_moiety         'C12 H12 N4 O2'
_chemical_formula_sum            'C12 H12 N4 O2'
_chemical_formula_weight         244.26
_chemical_name_systematic
;
Bis(4-methoxypyridin-3-yl)diazene
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3976(8)
_cell_length_b                   6.2101(6)
_cell_length_c                   13.6079(9)
_cell_measurement_reflns_used    4972
_cell_measurement_temperature    220(2)
_cell_measurement_theta_max      28.8
_cell_measurement_theta_min      4.7
_cell_volume                     1132.18(15)
_computing_cell_refinement       'X-AREA (Stoe & Cie, 2008)'
_computing_data_collection       'X-AREA (Stoe & Cie, 2008)'
_computing_data_reduction        'X-RED32 (Stoe & Cie, 2008)'
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      220(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Stoe IPDS-1'
_diffrn_measurement_method       'Phi scans'
_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  0.0450
_diffrn_reflns_av_sigmaI/netI    0.0285
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5829
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         2.99
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.433
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.190
_refine_ls_extinction_coef       0.030(8)
_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   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     84
_refine_ls_number_reflns         1235
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0510
_refine_ls_R_factor_gt           0.0385
_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^)+(0.0625P)^2^+0.2040P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1049
_reflns_number_gt                1002
_reflns_number_total             1235
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt5885.cif
_cod_data_source_block           I
_cod_database_code               2234543
_cod_database_fobs_code          2234543