3-<i>tert</i>-Butyl-4-oxo-3,4-dihydrophthalazin-1-yl 3,5-dimethylbenzoate
Dao-Xin Wu; Zheng-Wang Chen; Ye-Guo Ren; Ming-Zhi Huang; Acta Crystallographica Section E 64 (2008) o8–o8; doi:10.1107/S1600536807061089

data_2217182
_publ_section_title
;
 3-<i>tert</i>-Butyl-4-oxo-3,4-dihydrophthalazin-1-yl
 3,5-dimethylbenzoate
;
_journal_coeditor_code           LN2004
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o8
_journal_page_last               o8
_journal_paper_doi               10.1107/S1600536807061089
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C21 H22 N2 O3'
_chemical_formula_moiety         'C21 H22 N2 O3'
_chemical_formula_sum            'C21 H22 N2 O3'
_chemical_formula_weight         350.41
_chemical_name_systematic
;
3-tert-Butyl-4-oxo-3,4-dihydrophthalazin-1-yl 3,5-dimethylbenzoate
;
_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                90.00
_cell_angle_beta                 92.634(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7974(2)
_cell_length_b                   18.7622(4)
_cell_length_c                   11.7405(3)
_cell_measurement_reflns_used    4673
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.80
_cell_measurement_theta_min      2.56
_cell_volume                     1935.82(8)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'SHELXTL (Bruker, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0244
_diffrn_reflns_av_sigmaI/netI    0.0213
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            14969
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         2.17
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_description       block
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.52
_exptl_crystal_size_min          0.48
_refine_diff_density_max         0.232
_refine_diff_density_min         -0.211
_refine_ls_extinction_coef       0.020(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         3804
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0595
_refine_ls_R_factor_gt           0.0430
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0654P)^2^+0.3695P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1207
_refine_ls_wR_factor_ref         0.1366
_reflns_number_gt                2879
_reflns_number_total             3804
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ln2004.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:

'_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 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2217182
_cod_database_fobs_code          2217182