Dihydrobenzo[c]phenanthridine alkaloids from stem bark of Zanthoxylum nitidum.
Yang, Cheng-Hui; Cheng, Ming-Jen; Chiang, Michael Y.; Kuo, Yueh-Hsiung; Wang, Chyi-Jia; Chen, Ih-Sheng; Journal of natural products 71 (2008) 669–673; doi:10.1021/np700745f

data_1504453
_publ_section_title
;
 Dihydrobenzo[c]phenanthridine alkaloids from stem bark of Zanthoxylum
 nitidum.
;
_journal_issue                   4
_journal_name_full               'Journal of natural products'
_journal_page_first              669
_journal_page_last               673
_journal_paper_doi               10.1021/np700745f
_journal_volume                  71
_journal_year                    2008
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C37 H45 N O5'
_chemical_formula_sum            'C37 H45 N O5'
_chemical_formula_weight         583.74
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 90.00(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.9588(17)
_cell_length_b                   12.409(3)
_cell_length_c                   18.863(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      10.38
_cell_measurement_theta_min      6.37
_cell_volume                     1628.9(7)
_computing_cell_refinement       'MSC/AFC (Molecular Structure, 1992)'
_computing_data_collection       'MSC/AFC (Molecular Structure, 1992)'
_computing_data_reduction        'teXsan (Molecular Structure, 1985)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'WINGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'RIGAKU AFC7S'
_diffrn_measurement_method       \w/2\q
_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  0.0327
_diffrn_reflns_av_sigmaI/netI    0.1677
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            4437
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.96
_diffrn_standards_decay_%        3.1
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.93
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'North et al., 1968'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             628
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.176
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -2(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.927
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     395
_refine_ls_number_reflns         4161
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.927
_refine_ls_R_factor_all          0.2198
_refine_ls_R_factor_gt           0.0466
_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^)+(0.0729P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1113
_refine_ls_wR_factor_ref         0.1645
_reflns_number_gt                1565
_reflns_number_total             4161
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np700745f-file002.cif
_cod_data_source_block           zant3
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1628.8(7)
_cod_original_sg_symbol_Hall     'P 2yb '
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1504453