Three Minor Diterpenoids with Three Carbon Skeletons from Euphorbia peplus.
Wan, Luo-Sheng; Nian, Yin; Ye, Chen-Jun; Shao, Li-Dong; Peng, Xing-Rong; Geng, Chang-An; Zuo, Zhi-Li; Li, Xiao-Nian; Yang, Jian; Zhou, Ming; Qiu, Ming-Hua; Organic letters 18 (2016) 2166–2169; doi:10.1021/acs.orglett.6b00787

data_1555543
_publ_section_title
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 Three Minor Diterpenoids with Three Carbon Skeletons from Euphorbia
 peplus.
;
_journal_issue                   9
_journal_name_full               'Organic letters'
_journal_page_first              2166
_journal_page_last               2169
_journal_paper_doi               10.1021/acs.orglett.6b00787
_journal_volume                  18
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H32 O4'
_chemical_formula_sum            'C22 H32 O4'
_chemical_formula_weight         360.48
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 103.2320(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.2916(5)
_cell_length_b                   8.7712(3)
_cell_length_c                   12.9930(4)
_cell_measurement_reflns_used    9732
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.25
_cell_measurement_theta_min      3.49
_cell_volume                     2029.24(11)
_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 0.933
_diffrn_measured_fraction_theta_max 0.933
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0394
_diffrn_reflns_av_sigmaI/netI    0.0457
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8942
_diffrn_reflns_theta_full        69.31
_diffrn_reflns_theta_max         69.31
_diffrn_reflns_theta_min         3.49
_exptl_absorpt_coefficient_mu    0.634
_exptl_absorpt_correction_T_max  0.9511
_exptl_absorpt_correction_T_min  0.5756
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sheet
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.98
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.363
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.083
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.14(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.133
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     269
_refine_ls_number_reflns         3070
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.133
_refine_ls_R_factor_all          0.0463
_refine_ls_R_factor_gt           0.0462
_refine_ls_shift/su_max          0.020
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0986P)^2^+0.2832P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1278
_refine_ls_wR_factor_ref         0.1282
_reflns_number_gt                3059
_reflns_number_total             3070
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b00787_si_002.cif
_cod_data_source_block           cu_kep03f9_0m
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
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_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               1555543