2-Amino-4-phenyl-5,6-dihydrobenzo[<i>h</i>]quinazoline
Xiangshan Wang; Daqing Shi; Shujiang Tu; Kaibei Yu; Acta Crystallographica Section E 59 (2003) o423–o424; doi:10.1107/S1600536803004616

data_2202120
_publ_section_title
;
 2-Amino-4-phenyl-5,6-dihydrobenzo[<i>h</i>]quinazoline
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o423
_journal_page_last               o424
_journal_paper_doi               10.1107/S1600536803004616
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C18 H15 N3'
_chemical_formula_moiety         'C18 H15 N3'
_chemical_formula_sum            'C18 H15 N3'
_chemical_formula_weight         273.33
_chemical_melting_point          447.5(5)
_chemical_name_systematic
;
2-amino-4-phenyl-5,6-dihydrobenzo[h]quinazoline
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 94.850(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.902(2)
_cell_length_b                   6.9060(10)
_cell_length_c                   18.577(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      12.58
_cell_measurement_theta_min      3.01
_cell_volume                     1393.6(4)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Siemens, 1994)'
_computing_data_reduction        'SHELXTL (Sheldrick, 1997)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    SHELXTL
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0220
_diffrn_reflns_av_sigmaI/netI    0.0270
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            2919
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.87
_diffrn_standards_decay_%        0.97
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.54
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.148
_refine_diff_density_min         -0.180
_refine_ls_extinction_coef       0.043(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXTL
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2448
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0526
_refine_ls_R_factor_gt           0.0376
_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^)+(0.0602P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0973
_refine_ls_wR_factor_ref         0.1023
_reflns_number_gt                1810
_reflns_number_total             2448
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ob6223.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:

'_chemical_melting_point' value '447-448' was changed to '447.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '447-448' was changed to '447.5(5)' -
the average value was taken and precision was estimated.

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               2202120
_cod_database_fobs_code          2202120