(3<i>R</i>*,6<i>S</i>*,6<i>aR</i>*,9<i>S</i>*,9<i>aS</i>*)-6,6a,9-Trihydroxy-3,6,9a-trimethylperhydroazuleno[1,2-<i>b</i>]furan-2-one
G. Y. S. K. Swamy; K. Ravikumar; Biswanath Das; G. Mahender; Acta Crystallographica Section E 61 (2005) o121–o123; doi:10.1107/S1600536804032532

data_2204845
_publ_section_title
(3<i>R</i>*,6<i>S</i>*,6<i>aR</i>*,9<i>S</i>*,9<i>aS</i>*)-6,6a,9-Trihydroxy-3,6,9a-trimethylperhydroazuleno[1,2-<i>b</i>]furan-2-one
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o121
_journal_page_last               o123
_journal_paper_doi               10.1107/S1600536804032532
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C15 H24 O5'
_chemical_formula_moiety         'C15 H24 O5'
_chemical_formula_sum            'C15 H24 O5'
_chemical_formula_weight         284.34
_chemical_name_systematic
;
(3R,6S,6aR,9S,9aS)-6,6a,9-Trihydroxy-3,6,9a-
trimethylperhydroazuleno[1,2-b]furan-2-one
;
_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                 109.753(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.0046(8)
_cell_length_b                   13.1146(14)
_cell_length_c                   8.4316(9)
_cell_measurement_reflns_used    3140
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      55.95
_cell_measurement_theta_min      6.0
_cell_volume                     728.97(14)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PARST (Nardelli, 1995)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.902
_diffrn_measurement_device       'Bruker Smart APEX'
_diffrn_measurement_device_type  'Bruker Smart APEX CCD area-detector'
_diffrn_measurement_method       '\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  0.0199
_diffrn_reflns_av_sigmaI/netI    0.0203
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4433
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.58
_diffrn_reflns_theta_min         2.57
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             308
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.195
_refine_diff_density_min         -0.189
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.157
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         1649
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.156
_refine_ls_R_factor_all          0.0374
_refine_ls_R_factor_gt           0.0368
_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^)+(0.072P)^2^+0.603P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0874
_reflns_number_gt                1615
_reflns_number_total             1649
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt6566.cif
_cod_data_source_block           I
_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.

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (5
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (17 times).

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 '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.

'_geom_bond_publ_flag' value 'Y' changed to 'y'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (5
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (17 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2204845
_cod_database_fobs_code          2204845