3-Chloro-6-[(<i>E</i>)-2-(1-phenylethylidene)hydrazinyl]pyridazine
Ather, Abdul Qayyum; Tahir, M. Nawaz; Khan, Misbahul Ain; Athar, Muhammad Makshoof; Acta Crystallographica Section E 66 (2010) o2107–; doi:10.1107/S1600536810024402

data_2227068
_publ_section_title
;
 3-Chloro-6-[(<i>E</i>)-2-(1-phenylethylidene)hydrazinyl]pyridazine
;
_journal_coeditor_code           SI2272
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2107
_journal_paper_doi               10.1107/S1600536810024402
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C12 H11 Cl N4'
_chemical_formula_moiety         'C12 H11 Cl N4'
_chemical_formula_sum            'C12 H11 Cl N4'
_chemical_formula_weight         246.70
_chemical_name_systematic
;
3-Chloro-6-[(<i>E</i>)-2-(1-phenylethylidene)hydrazinyl]pyridazine
;
_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           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 90.737(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.8006(6)
_cell_length_b                   7.4703(5)
_cell_length_c                   24.9520(14)
_cell_measurement_reflns_used    3179
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.85
_cell_volume                     2385.8(2)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics
'Ortep3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material
;
WinGx publication routines (Farrugia, 1999) and PLATON (Spek,
2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 7.40
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker KAPPA APEXII CCD'
_diffrn_measurement_method       \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  0.0538
_diffrn_reflns_av_sigmaI/netI    0.0544
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            22389
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         2.85
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.302
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.982
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2009)'
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.223
_refine_diff_density_min         -0.195
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         5900
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.1089
_refine_ls_R_factor_gt           0.0493
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0601P)^2^+0.0680P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1241
_refine_ls_wR_factor_ref         0.1482
_reflns_number_gt                3179
_reflns_number_total             5900
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            si2272.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2227068
_cod_database_fobs_code          2227068