Tung Siu; Christine J. Picard; Andrei K. Yudin; Journal of Organic Chemistry 70 (2005) 932–937; doi:10.1021/jo048591p

data_4020056
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              932
_journal_page_last               937
_journal_paper_doi               10.1021/jo048591p
_journal_volume                  70
_journal_year                    2005
_chemical_formula_moiety         'C14 H12 N2 O6'
_chemical_formula_sum            'C14 H12 N2 O6'
_chemical_formula_weight         304.26
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.3819(2)
_cell_length_b                   16.9618(7)
_cell_length_c                   22.3703(8)
_cell_measurement_reflns_used    2619
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.6
_cell_volume                     2800.99(17)
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_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  0.050
_diffrn_reflns_av_sigmaI/netI    0.046
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            13499
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         3.01
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.115
_exptl_absorpt_correction_T_max  0.9718
_exptl_absorpt_correction_T_min  0.9609
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Denzo-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            ?
_exptl_crystal_density_diffrn    1.443
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.25
_refine_ls_extinction_coef       none
_refine_ls_extinction_expression ?
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         2447
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0679
_refine_ls_R_factor_gt           0.0435
_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^)+(0.0559P)^2^+1.0283P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1021
_refine_ls_wR_factor_ref         0.1159
_reflns_number_gt                1817
_reflns_number_total             2447
_reflns_threshold_expression     I>2\s(I)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 
;
_cod_database_code               4020056