Structurally Diverse Diterpenoids from the Roots of <i>Salvia deserta</i> Based on Nine Different Skeletal Types.
Kadir, Abdukriem; Zheng, Guijuan; Zheng, Xiaofeng; Jin, Pengfei; Maiwulanjiang, Maitinuer; Gao, Biao; Aisa, Haji Akber; Yao, Guangmin; Journal of natural products 84 (2021) 1442–1452; doi:10.1021/acs.jnatprod.0c01180

data_1562543
_publ_section_title
;
 Structurally Diverse Diterpenoids from the Roots of <i>Salvia deserta</i>
 Based on Nine Different Skeletal Types.
;
_journal_issue                   5
_journal_name_full               'Journal of natural products'
_journal_page_first              1442
_journal_page_last               1452
_journal_paper_doi               10.1021/acs.jnatprod.0c01180
_journal_volume                  84
_journal_year                    2021
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H26 O4'
_chemical_formula_sum            'C19 H26 O4'
_chemical_formula_weight         318.40
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.447(2)
_cell_length_b                   9.642(2)
_cell_length_c                   23.098(5)
_cell_measurement_reflns_used    9715
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      3.83
_cell_volume                     1658.5(7)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0413
_diffrn_reflns_av_unetI/netI     0.0239
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            16991
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.333
_diffrn_reflns_theta_min         3.827
_exptl_absorpt_coefficient_mu    0.709
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.150
_exptl_transmission_factor_max   0.7531
_exptl_transmission_factor_min   0.6904
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.168
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.0(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         3021
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0334
_refine_ls_R_factor_gt           0.0299
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0523P)^2^+0.0941P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0784
_refine_ls_wR_factor_ref         0.0811
_reflns_Friedel_coverage         0.716
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                2835
_reflns_number_total             3021
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            np0c01180_si_002.cif
_cod_data_source_block           t_a
_cod_depositor_comments
'Adding full bibliography for 1562538--1562543.cif.'
_cod_database_code               1562543
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.883
_shelx_estimated_absorpt_t_max   0.901
_shelx_res_checksum              18139
_shelx_hkl_checksum              58511