6-Chloro-2-(4-fluorophenyl)imidazo[1,2-<i>b</i>]pyridazine
Wang, Lingling; Ma, Mingliang; Shen, Xiaohong; Zhao, Shiguo; Acta Crystallographica Section E 61 (2005) o4030–o4031; doi:10.1107/S1600536805035920

data_2207637
_publ_section_title
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 6-Chloro-2-(4-fluorophenyl)imidazo[1,2-<i>b</i>]pyridazine
;
_journal_coeditor_code           SJ6141
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4030
_journal_page_last               o4031
_journal_paper_doi               10.1107/S1600536805035920
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C12 H7 Cl F N3'
_chemical_formula_moiety         'C12 H7 Cl F N3'
_chemical_formula_sum            'C12 H7 Cl F N3'
_chemical_formula_weight         247.66
_chemical_melting_point          494
_chemical_name_systematic
;
6-chloro-2-(4-fluorophenyl)imidazo[1,2-b]pyridazine
;
_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
_cell_angle_alpha                101.308(2)
_cell_angle_beta                 91.883(2)
_cell_angle_gamma                100.565(2)
_cell_formula_units_Z            2
_cell_length_a                   5.6051(7)
_cell_length_b                   7.4946(10)
_cell_length_c                   13.2471(17)
_cell_measurement_reflns_used    1324
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      52.437
_cell_measurement_theta_min      5.650
_cell_volume                     535.06(12)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1997)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_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  0.0831
_diffrn_reflns_av_sigmaI/netI    0.0600
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3153
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.57
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.348
_exptl_absorpt_correction_T_max  0.910
_exptl_absorpt_correction_T_min  0.685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.537
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             252
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.296
_refine_diff_density_min         -0.241
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.958
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2260
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.958
_refine_ls_R_factor_all          0.0613
_refine_ls_R_factor_gt           0.0505
_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^)+(0.0716P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1245
_refine_ls_wR_factor_ref         0.1306
_reflns_number_gt                1695
_reflns_number_total             2260
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sj6141.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:

'_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               2207637
_cod_database_fobs_code          2207637