ent-Labdane Diterpenoids from Dodonaea viscosa.
Olivier, Wesley J.; Kilah, Nathan L.; Horne, James; Bissember, Alex C.; Smith, Jason A.; Journal of natural products 79 (2016) 3117–3126; doi:10.1021/acs.jnatprod.6b00858

data_1553305
_publ_section_title
;
 ent-Labdane Diterpenoids from Dodonaea viscosa.
;
_journal_issue                   12
_journal_name_full               'Journal of natural products'
_journal_page_first              3117
_journal_page_last               3126
_journal_paper_doi               10.1021/acs.jnatprod.6b00858
_journal_volume                  79
_journal_year                    2016
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C30 H42 O5'
_chemical_formula_sum            'C30 H42 O5'
_chemical_formula_weight         482.66
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_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   difmap
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.9309(11)
_cell_length_b                   10.7160(14)
_cell_length_c                   31.529(4)
_cell_measurement_reflns_used    7232
_cell_measurement_temperature    100
_cell_measurement_theta_max      52.69
_cell_measurement_theta_min      4.21
_cell_volume                     2679.6(6)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX3 v2016.1-0  (Bruker, 2016)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 2012)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SHELXS 86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'CMOS area detector'
_diffrn_detector_area_resol_mean 10.4
_diffrn_detector_type            'Bruker AXS PHOTON-100'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       'fixed-chi three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker AXS D8 Quest'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_monochromator
'Bruker multilayer X-ray optics (Goebel mirror)'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.035
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            9236
_diffrn_reflns_theta_full        33.773
_diffrn_reflns_theta_max         52.771
_diffrn_reflns_theta_min         4.358
_diffrn_source                   'Incoatec I\mS Cu microsource'
_exptl_absorpt_coefficient_mu    0.634
_exptl_absorpt_correction_T_max  0.7504
_exptl_absorpt_correction_T_min  0.6399
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014) was used for absorption correction.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.196
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.18
_refine_diff_density_min         -0.17
_refine_ls_abs_structure_details 'Flack (1983), 1240 Friedel-pairs'
_refine_ls_abs_structure_Flack   0.0(3)
_refine_ls_extinction_coef       113(5)
_refine_ls_extinction_method     'Larson (1970), Equation 22'
_refine_ls_goodness_of_fit_ref   0.9840
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         3016
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0424
_refine_ls_R_factor_gt           0.0386
_refine_ls_shift/su_max          0.0003372
_refine_ls_shift/su_mean         0.0000335
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 13.1 16.5 5.57 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0767
_refine_ls_wR_factor_gt          0.0731
_refine_ls_wR_factor_ref         0.0767
_reflns_limit_h_max              8
_reflns_limit_h_min              -8
_reflns_limit_k_max              11
_reflns_limit_k_min              0
_reflns_limit_l_max              32
_reflns_limit_l_min              0
_reflns_number_gt                2810
_reflns_number_total             3037
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_r_factor_ref   0.0424
_oxford_refine_ls_scale          0.6117(13)
_oxford_reflns_number_all        3016
_oxford_reflns_threshold_expression_ref I>-3.0\s(I)
_iucr_refine_instructions_details_constraints
;
BLOCK SCALE X'S, U'S 
CONT EXTPARAM 
CONT ENANTIO 
RIDE C   (   1,X'S) H   (  11,X'S) H   (  12,X'S) 
RIDE C   (   2,X'S) H   (  21,X'S) H   (  22,X'S) 
RIDE C   (   3,X'S) H   (  31,X'S) 
RIDE C   (   5,X'S) H   (  51,X'S) 
RIDE C   (   6,X'S) H   (  62,X'S) H   (  61,X'S) 
RIDE C   (   7,X'S) H   (  71,X'S) 
RIDE C   (   9,X'S) H   (  91,X'S) 
RIDE C   (  11,X'S) H   ( 111,X'S) H   ( 112,X'S) 
RIDE C   (  12,X'S) H   ( 122,X'S) H   ( 123,X'S) H   ( 121,X'S) 
RIDE C   (  13,X'S) H   ( 131,X'S) H   ( 133,X'S) H   ( 132,X'S) 
RIDE C   (  14,X'S) H   ( 142,X'S) H   ( 141,X'S) H   ( 143,X'S) 
RIDE C   (  15,X'S) H   ( 151,X'S) H   ( 153,X'S) H   ( 152,X'S) 
RIDE C   (  16,X'S) H   ( 162,X'S) H   ( 161,X'S) 
RIDE C   (  18,X'S) H   ( 181,X'S) 
RIDE C   (  20,X'S) H   ( 201,X'S) 
RIDE C   (  21,X'S) H   ( 211,X'S) 
RIDE C   (  30,X'S) H   ( 302,X'S) H   ( 301,X'S) H   ( 303,X'S) 
RIDE C   (  31,X'S) H   ( 312,X'S) H   ( 311,X'S) 
RIDE C   (  32,X'S) H   ( 322,X'S) H   ( 321,X'S) 
RIDE C   (  34,X'S) H   ( 341,X'S) H   ( 343,X'S) H   ( 342,X'S) 
RIDE C   (  35,X'S) H   ( 352,X'S) H   ( 351,X'S) H   ( 353,X'S) 
END                                                                             
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_iucr_refine_instructions_details_restraints
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NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
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_cod_data_source_file            np6b00858_si_003.cif
_cod_data_source_block           Compound18
_cod_original_sg_symbol_Hall     'P 2ac 2ab '
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_database_code               1553305