(±)-Paeoveitol, a Pair of New Norditerpene Enantiomers from Paeonia veitchii.
Liang, Wen-Juan; Geng, Chang-An; Zhang, Xue-Mei; Chen, Hao; Yang, Cai-Yan; Rong, Guang-Qing; Zhao, Yong; Xu, Hong-Bo; Wang, Hao; Zhou, Ning-Jia; Ma, Yun-Bao; Huang, Xiao-Yan; Chen, Ji-Jun; Organic letters 16 (2014) 424–427; doi:10.1021/ol403315d

data_1513415
_publ_section_title
;
 (+-)-Paeoveitol, a Pair of New Norditerpene Enantiomers from Paeonia
 veitchii.
;
_journal_issue                   2
_journal_name_full               'Organic letters'
_journal_page_first              424
_journal_page_last               427
_journal_paper_doi               10.1021/ol403315d
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C19 H20 O5'
_chemical_formula_sum            'C19 H20 O5'
_chemical_formula_weight         328.35
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 95.0930(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.2190(18)
_cell_length_b                   8.9835(8)
_cell_length_c                   18.1799(16)
_cell_measurement_reflns_used    4204
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.71
_cell_measurement_theta_min      2.25
_cell_volume                     3126.4(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0347
_diffrn_reflns_av_sigmaI/netI    0.0357
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            16133
_diffrn_reflns_theta_full        29.78
_diffrn_reflns_theta_max         29.78
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.9811
_exptl_absorpt_correction_T_min  0.9608
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.465
_refine_diff_density_min         -0.267
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         4377
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0637
_refine_ls_R_factor_gt           0.0456
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0603P)^2^+2.4320P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1121
_refine_ls_wR_factor_ref         0.1229
_reflns_number_gt                3371
_reflns_number_total             4377
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol403315d_si_002.cif
_cod_data_source_block           mo_jlwj10_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1513415