4,5,9,10-Tetrahydro-4-methyl-2-phenyl-9,10-epoxy-3<i>H</i>,10a<i>H</i>-cyclobuta[<i>a</i>]benzo[2,3,4-<i>de</i>]isoquinoline-3,5-dione
Liu, Qingjian; Li, Yizhi; Shi, Daqing; Xu, Jianhua; Acta Crystallographica Section C 59 (2003) o36–o37; doi:10.1107/S0108270102021650

data_2013191
_publ_section_title
4,5,9,10-Tetrahydro-4-methyl-2-phenyl-9,10-epoxy-3<i>H</i>,10a<i>H</i>-cyclobuta[<i>a</i>]benzo[2,3,4-<i>de</i>]isoquinoline-3,5-dione
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o36
_journal_page_last               o37
_journal_paper_doi               10.1107/S0108270102021650
_journal_volume                  59
_journal_year                    2003
_chemical_formula_moiety         'C21 H15 N O3'
_chemical_formula_sum            'C21 H15 N O3'
_chemical_formula_weight         329.34
_chemical_melting_point          447.8(8)
_chemical_name_systematic
;
4,5,9,10-Tetrahydro-4-methyl-2-phenyl-9,10-epoxy-
3H,10aH-cyclobuta[a]benzo[2,3,4-de]isoquinoline-3,5-dione
;
_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
_cell_angle_beta                 114.150(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.801(3)
_cell_length_b                   8.306(2)
_cell_length_c                   14.441(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    288(2)
_cell_measurement_theta_max      12.57
_cell_measurement_theta_min      2.96
_cell_volume                     1620.0(6)
_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      288(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_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  0.011
_diffrn_reflns_av_sigmaI/netI    0.034
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3306
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.51
_diffrn_standards_decay_%        4.81
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.19
_refine_diff_density_min         -0.12
_refine_ls_extinction_coef       0.0108(15)
_refine_ls_extinction_method     'SHELXTL (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   0.968
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         2852
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.968
_refine_ls_R_factor_all          0.068
_refine_ls_R_factor_gt           0.041
_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^)+(0.0603P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.100
_refine_ls_wR_factor_ref         0.110
_reflns_number_gt                1870
_reflns_number_total             2852
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ob1086.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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:

'_chemical_melting_point' value '447.0-448.5' was changed to
'447.8(8)' - 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 '447.0-448.5' was changed to
'447.8(8)' - the average value was taken and precision was
estimated.

'_symmetry_cell_setting' value 'Monoclinic' changed to
'monoclinic' 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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2013191
_cod_database_fobs_code          2013191