Nardosinane sesquiterpenoids from the Formosan soft coral Lemnalia flava.
Lu, Yi; Li, Po-Ju; Hung, Wen-Yu; Su, Jui-Hsin; Wen, Zhi-Hong; Hsu, Chi-Hsin; Dai, Chang-Feng; Chiang, Michael Y.; Sheu, Jyh-Horng; Journal of natural products 74 (2011) 169–174; doi:10.1021/np100541a

data_1501796
_publ_section_title
;
 Nardosinane sesquiterpenoids from the Formosan soft coral Lemnalia flava.
;
_journal_issue                   2
_journal_name_full               'Journal of natural products'
_journal_page_first              169
_journal_page_last               174
_journal_paper_doi               10.1021/np100541a
_journal_volume                  74
_journal_year                    2011
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C15 H22 O3'
_chemical_formula_sum            'C15 H22 O3'
_chemical_formula_weight         250.33
_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                 107.7460(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.7198(2)
_cell_length_b                   12.2064(4)
_cell_length_c                   8.2198(2)
_cell_measurement_reflns_used    3947
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.05
_cell_measurement_theta_min      2.60
_cell_volume                     642.14(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WINGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0185
_diffrn_reflns_av_sigmaI/netI    0.0215
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4275
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.60
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6900
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             272
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.193
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.4(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2100
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0273
_refine_ls_R_factor_gt           0.0271
_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^)+(0.0412P)^2^+0.1370P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0739
_refine_ls_wR_factor_ref         0.0740
_reflns_number_gt                2088
_reflns_number_total             2100
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np100541a_si_003.cif
_cod_data_source_block           ocean87
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P2(1)   '
_cod_database_code               1501796