6-Phenyl-4,5-dihydropyridazin-3(2<i>H</i>)-one
Abourichaa, Said; Benchat, Noureddine; Anaflous, Abderahlmane; Melhaoui, Amina; Ben-Hadda, Taibi; Oussaid, Boualem; El Bali, Brahim; Bolte, Michael; Acta Crystallographica Section E 59 (2003) o802–o803; doi:10.1107/S1600536803010018

data_2202092
_publ_section_title
;
 6-Phenyl-4,5-dihydropyridazin-3(2<i>H</i>)-one
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o802
_journal_page_last               o803
_journal_paper_doi               10.1107/S1600536803010018
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C10 H10 N2 O'
_chemical_formula_moiety         'C10 H10 N2 O'
_chemical_formula_sum            'C10 H10 N2 O'
_chemical_formula_weight         174.20
_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                104.740(14)
_cell_angle_beta                 104.392(13)
_cell_angle_gamma                98.097(14)
_cell_formula_units_Z            2
_cell_length_a                   5.6712(10)
_cell_length_b                   8.1749(14)
_cell_length_c                   10.1055(17)
_cell_measurement_reflns_used    10040
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.1
_cell_measurement_theta_min      3.7
_cell_volume                     428.33(14)
_computing_cell_refinement       X-AREA
_computing_data_collection       'X-AREA (Stoe & Cie, 2001)'
_computing_data_reduction        X-AREA
_computing_molecular_graphics    'XP in SHELXTL-Plus (Sheldrick, 1991)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997) '
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990) '
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Stoe IPDS II two-circle'
_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  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0170
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5318
_diffrn_reflns_theta_full        24.96
_diffrn_reflns_theta_max         24.96
_diffrn_reflns_theta_min         3.78
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             184
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.175
_refine_diff_density_min         -0.163
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     122
_refine_ls_number_reflns         1483
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0340
_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^)+(0.0639P)^2^+0.0435P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0966
_refine_ls_wR_factor_ref         0.0984
_reflns_number_gt                1318
_reflns_number_total             1483
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            na6233.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_original_cell_volume        428.33(13)
_cod_database_code               2202092
_cod_database_fobs_code          2202092