Alkaloids from the Root of Isatis indigotica.
Chen, Minghua; Gan, Lishe; Lin, Sheng; Wang, Xiaoliang; Li, Li; Li, Yuhuan; Zhu, Chenggen; Wang, Yanan; Jiang, Bingya; Jiang, Jiandong; Yang, Yongchun; Shi, Jiangong; Journal of natural products 75 (2012) 1167–1176; doi:10.1021/np3002833

data_1507807
_publ_section_title
;
 Alkaloids from the Root of Isatis indigotica.
;
_journal_issue                   6
_journal_name_full               'Journal of natural products'
_journal_page_first              1167
_journal_page_last               1176
_journal_paper_doi               10.1021/np3002833
_journal_volume                  75
_journal_year                    2012
_chemical_formula_moiety         'C17 H12 N2 O3'
_chemical_formula_sum            'C17 H12 N2 O3'
_chemical_formula_weight         292.29
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2bc 2ac'
_symmetry_space_group_name_H-M   'P c a b'
_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(0)
_cell_angle_beta                 90.00(0)
_cell_angle_gamma                90.00(0)
_cell_formula_units_Z            8
_cell_length_a                   11.145(3)
_cell_length_b                   14.533(5)
_cell_length_c                   16.506(4)
_cell_measurement_reflns_used    2108
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      71.99
_cell_measurement_theta_min      5.36
_cell_volume                     2673.5(13)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    ORTEPII(Johnson,1976)andPLUTON(Spek,1990)
_computing_publication_material  'SHELXL97(Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'MicroMax 002+'
_diffrn_measurement_method       \f\k
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0544
_diffrn_reflns_av_sigmaI/netI    0.0415
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            17035
_diffrn_reflns_theta_full        71.99
_diffrn_reflns_theta_max         71.99
_diffrn_reflns_theta_min         5.36
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.836
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.717
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.452
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plane
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.966
_exptl_crystal_size_mid          0.274
_exptl_crystal_size_min          0.056
_refine_diff_density_max         0.265
_refine_diff_density_min         -0.318
_refine_diff_density_rms         0.086
_refine_ls_extinction_coef       0.0133(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2565
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.0488
_refine_ls_R_factor_gt           0.0457
_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^)+(0.0701P)^2^+0.1926P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1110
_refine_ls_wR_factor_ref         0.1151
_reflns_number_gt                2259
_reflns_number_total             2565
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np3002833_si_002.cif
_cod_data_source_block           a
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2673.5(12)
_cod_original_sg_symbol_Hall     '-P 2bc 2ac '
_cod_original_sg_symbol_H-M      'P cab'
_cod_database_code               1507807