2-Hydroxyplatyphyllid
Wang, Qi; Chen, Dao-Feng; Acta Crystallographica Section E 63 (2007) o4018–o4018; doi:10.1107/S1600536807037105

data_2215470
_publ_section_title
;
 2-Hydroxyplatyphyllid
;
_journal_coeditor_code           FL2135
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4018
_journal_page_last               o4018
_journal_paper_doi               10.1107/S1600536807037105
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C14 H14 O3'
_chemical_formula_moiety         'C14 H14 O3'
_chemical_formula_sum            'C14 H14 O3'
_chemical_formula_weight         230.25
_chemical_name_systematic
;
4-hydroxy-3-(1-methylethylidene)-6,7,8,8a-tetrahydro-1-oxaacenaphthylen-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                   7.678(4)
_cell_length_b                   8.063(4)
_cell_length_c                   19.580(10)
_cell_measurement_reflns_used    887
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.781
_cell_measurement_theta_min      2.653
_cell_volume                     1212.2(11)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_method       '\f and \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  0.0795
_diffrn_reflns_av_sigmaI/netI    0.0507
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            5807
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.9912
_exptl_absorpt_correction_T_min  0.9843
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.179
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.201
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         1549
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.201
_refine_ls_R_factor_all          0.1097
_refine_ls_R_factor_gt           0.0795
_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^)+(0.0442P)^2^+0.5001P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1536
_refine_ls_wR_factor_ref         0.1643
_reflns_number_gt                1124
_reflns_number_total             1549
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fl2135.cif
_cod_data_source_block           I
_cod_original_cell_volume        1212.0(11)
_cod_database_code               2215470
_cod_database_fobs_code          2215470