Cytotoxic flavonoids from the leaves of Cryptocarya chinensis.
Chou, Tsung-Hsien; Chen, Jih-Jung; Lee, Shiow-Ju; Chiang, Michael Y.; Yang, Cheng-Wei; Chen, Ih-Sheng; Journal of natural products 73 (2010) 1470–1475; doi:10.1021/np100014j

data_1502791
_publ_section_title
;
 Cytotoxic flavonoids from the leaves of Cryptocarya chinensis.
;
_journal_issue                   9
_journal_name_full               'Journal of natural products'
_journal_page_first              1470
_journal_page_last               1475
_journal_paper_doi               10.1021/np100014j
_journal_volume                  73
_journal_year                    2010
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C17 H16 O5, (H2 O)'
_chemical_formula_sum            'C17 H18 O6'
_chemical_formula_weight         318.31
_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                 99.19(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.032(3)
_cell_length_b                   8.278(3)
_cell_length_c                   11.532(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      11.49
_cell_measurement_theta_min      8.02
_cell_volume                     756.9(5)
_computing_cell_refinement
'MSC/AFC (Molecular Structure Corporation, 1992)'
_computing_data_collection
'MSC/AFC (Molecular Structure Corporation, 1992)'
_computing_data_reduction
'teXsan (Molecular Structure Corporation, 1985)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WINGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (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       2\q/\w
_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  0.0217
_diffrn_reflns_av_sigmaI/netI    0.0249
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1672
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.79
_diffrn_standards_decay_%        0.0
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.95
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'North et al., 1968'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.397
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.121
_refine_diff_density_min         -0.204
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.3(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         1594
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0497
_refine_ls_R_factor_gt           0.0335
_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^)+(0.0500P)^2^+0.1018P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0926
_refine_ls_wR_factor_ref         0.1012
_reflns_number_gt                1309
_reflns_number_total             1594
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np100014j_si_002.cif
_cod_data_source_block           kmu55
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1502791