Crystal structure of taedol, C~10~H~16~O~2~, from Haplopappus taeda
Torres, R.; Faini, F.; Rodilla, J. M. L.; Silva, L. A.; Sanz, F.; Zeitschrift für Kristallographie - New Crystal Structures 220 (2005) 537–538; doi:

data_8101848
_publ_section_title
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Crystal structure of taedol, C~10~H~16~O~2~, from Haplopappus taeda 
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_journal_issue                   4
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              537
_journal_page_last               538
_journal_volume                  220
_journal_year                    2005
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C10 H16 O2'
_chemical_formula_sum            'C10 H16 O2'
_chemical_formula_weight         168.23
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 96.29(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.974(2)
_cell_length_b                   5.933(1)
_cell_length_c                   8.994(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      8
_cell_volume                     475.98(17)
_computing_cell_refinement       CRYSOM
_computing_data_collection       CRYSOM
_computing_data_reduction        XRAY-80
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'Siemens SHELXTL'
_computing_structure_refinement  'Siemens SHELXTL'
_computing_structure_solution    'Siemens SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device       'SEIFERT XRD 3000 SC'
_diffrn_measurement_method       omega/2theta
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0234
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            826
_diffrn_reflns_theta_full        59.99
_diffrn_reflns_theta_max         59.99
_diffrn_reflns_theta_min         4.95
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        'no decay, variation 0.5'
_diffrn_standards_interval_count 100
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.638
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.174
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             184
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.177
_refine_diff_density_min         -0.199
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.5(8)
_refine_ls_extinction_coef       0.022(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.968
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         774
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.967
_refine_ls_R_factor_all          0.0666
_refine_ls_R_factor_gt           0.0517
_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^)+(0.1055P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1310
_refine_ls_wR_factor_ref         0.1475
_reflns_number_gt                563
_reflns_number_total             774
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1267-1624.cff
_cod_data_source_block           rayfin
_cod_original_sg_symbol_H-M      P12(1)1
_cod_database_code               8101848