7-Ethenyl-1-[(<i>Z</i>)-hydroxymethylidene]-4b,7,10a-trimethylperhydrophenanthren-2-one
Hoong-Kun Fun; Charoen Pakathirathien; Suchada Chantrapromma; Chatchanok Karalai; Kan Chantrapromma; Acta Crystallographica Section E 62 (2006) o5539–o5541; doi:10.1107/S1600536806046277

data_2211623
_publ_section_title
7-Ethenyl-1-[(<i>Z</i>)-hydroxymethylidene]-4b,7,10a-trimethylperhydrophenanthren-2-one
_journal_coeditor_code           SJ2157
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o5539
_journal_page_last               o5541
_journal_paper_doi               10.1107/S1600536806046277
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C20 H30 O2'
_chemical_formula_moiety         'C20 H30 O2'
_chemical_formula_sum            'C20 H30 O2'
_chemical_formula_weight         302.44
_chemical_melting_point          .374E-305
_chemical_name_common
;
Tagalsin F
;
_chemical_name_systematic
7-Ethenyl-1-[(Z)-hydroxymethylidene]-4b,7,10a-trimethylperhydrophenanthren-2-one
_space_group_IT_number           19
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.6826(2)
_cell_length_b                   10.8100(3)
_cell_length_c                   23.8901(6)
_cell_measurement_reflns_used    2631
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      30.00
_cell_measurement_theta_min      1.70
_cell_volume                     1725.79(8)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  'SHELXTL and PLATON (Spek, 2003)'
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1998)'
_diffrn_ambient_temperature      297(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX2 CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0469
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            26531
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.70
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.9961
_exptl_absorpt_correction_T_min  0.9677
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.184
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         2881
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0458
_refine_ls_R_factor_gt           0.0406
_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^)+(0.0546P)^2^+0.4474P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1000
_refine_ls_wR_factor_ref         0.1062
_reflns_number_gt                2631
_reflns_number_total             2881
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sj2157.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_database_code               2211623
_cod_database_fobs_code          2211623