Anti-inflammatory Grayanane Diterpenoids from the Leaves of Rhododendron molle
Zhou, Junfei; Liu, Tingting; Zhang, Hanqi; Zheng, Guijuan; Qiu, Yue; Deng, Mengyi; Zhang, Chun; Yao, Guangmin; Journal of Natural Products  (2017) –; doi:10.1021/acs.jnatprod.7b00799

data_1548542
_publ_section_title
;
 Anti-inflammatory Grayanane Diterpenoids from the Leaves of Rhododendron
 molle
;
_journal_name_full               'Journal of Natural Products'
_journal_paper_doi               10.1021/acs.jnatprod.7b00799
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C23 H36 O7, H2 O'
_chemical_formula_sum            'C23 H38 O8'
_chemical_formula_weight         442.53
_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                   8.6611(9)
_cell_length_b                   13.5236(13)
_cell_length_c                   18.6939(12)
_cell_measurement_reflns_used    9968
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      66.55
_cell_measurement_theta_min      4.04
_cell_volume                     2189.6(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1036
_diffrn_reflns_av_sigmaI/netI    0.0498
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            15760
_diffrn_reflns_theta_full        66.58
_diffrn_reflns_theta_max         66.58
_diffrn_reflns_theta_min         2.36
_exptl_absorpt_coefficient_mu    0.827
_exptl_absorpt_correction_T_max  0.9073
_exptl_absorpt_correction_T_min  0.8791
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick,2008'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.342
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.237
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details
;
Flack H D (1983), Acta Cryst. A39, 876-881;
Flack  parameter = -0.2(2), 1538 Friedel pairs.
Hooft <i>et al.</i> (2010) and Spek (2009);
Hooft parameter = 0.79(8), 1638 Bijvoet pairs.
;
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     288
_refine_ls_number_reflns         3846
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0424
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0645P)^2^+0.5975P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1113
_refine_ls_wR_factor_ref         0.1127
_reflns_number_gt                3687
_reflns_number_total             3846
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np7b00799_si_006.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/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               1548542