Cembrane-Type Diterpenoids from the Chinese Liverworts Chandonanthus hirtellus and C. birmensis.
Li, Rui-Juan; Lin, Zhao-Min; Kang, Ya-Qi; Guo, Yan-Xia; Lv, Xin; Zhou, Jin-Chuan; Wang, Song; Lou, Hong-Xiang; Journal of natural products 77 (2014) 339–345; doi:10.1021/np400936t

data_1513355
_publ_section_title
;
 Cembrane-Type Diterpenoids from the Chinese Liverworts Chandonanthus
 hirtellus and C. birmensis.
;
_journal_issue                   2
_journal_name_full               'Journal of natural products'
_journal_page_first              339
_journal_page_last               345
_journal_paper_doi               10.1021/np400936t
_journal_volume                  77
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H34 O5'
_chemical_formula_sum            'C22 H34 O5'
_chemical_formula_weight         378.49
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 108.5910(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.7016(5)
_cell_length_b                   13.6677(6)
_cell_length_c                   13.7418(6)
_cell_measurement_reflns_used    9843
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.27
_cell_measurement_theta_min      3.39
_cell_volume                     2083.10(16)
_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 0.987
_diffrn_measured_fraction_theta_max 0.987
_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  0.0432
_diffrn_reflns_av_sigmaI/netI    0.0493
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            21081
_diffrn_reflns_theta_full        69.40
_diffrn_reflns_theta_max         69.40
_diffrn_reflns_theta_min         3.39
_exptl_absorpt_coefficient_mu    0.676
_exptl_absorpt_correction_T_max  0.8880
_exptl_absorpt_correction_T_min  0.5877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.207
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.88
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.361
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.09(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     499
_refine_ls_number_reflns         7124
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.0485
_refine_ls_R_factor_gt           0.0481
_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^)+(0.0681P)^2^+0.9479P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1320
_refine_ls_wR_factor_ref         0.1327
_reflns_number_gt                7025
_reflns_number_total             7124
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np400936t_si_002.cif
_cod_data_source_block           cu_lhx2_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      'P 21'
_cod_database_code               1513355