Bioactive Diterpenoids from the Leaves of Callicarpa macrophylla.
Xu, Jing; Sun, Yihang; Wang, Meicheng; Ren, Quanhui; Li, Shen; Wang, Hao; Sun, Xiaocong; Jin, Da-Qing; Sun, Hongwei; Ohizumi, Yasushi; Guo, Yuanqiang; Journal of natural products 78 (2015) 1563–1569; doi:10.1021/acs.jnatprod.5b00018

data_1520673
_publ_section_title
;
 Bioactive Diterpenoids from the Leaves of Callicarpa macrophylla.
;
_journal_issue                   7
_journal_name_full               'Journal of natural products'
_journal_page_first              1563
_journal_page_last               1569
_journal_paper_doi               10.1021/acs.jnatprod.5b00018
_journal_volume                  78
_journal_year                    2015
_chemical_formula_sum            'C20 H30 O4'
_chemical_formula_weight         334.44
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5870(15)
_cell_length_b                   9.6985(19)
_cell_length_c                   25.106(5)
_cell_measurement_temperature    293(2)
_cell_volume                     1847.4(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.1022
_diffrn_reflns_av_sigmaI/netI    0.0812
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            15232
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         3.14
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9878
_exptl_absorpt_correction_T_min  0.9798
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.580
_refine_diff_density_min         -0.273
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.4(18)
_refine_ls_extinction_coef       0.024(7)
_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   1.072
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3429
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0611
_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^)+(0.1200P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1745
_refine_ls_wR_factor_ref         0.1842
_reflns_number_gt                2825
_reflns_number_total             3429
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np5b00018_si_002.cif
_cod_data_source_block           b
_cod_depositor_comments          'Adding full bibliography for 1520673.cif.'
_cod_database_code               1520673