Synthesis and Chemistry of 2,3-Dioxabicyclo[2.2.2]octane-5,6-diols
Peter Valente; Thomas D. Avery; Dennis K. Taylor; Edward R. T. Tiekink; Journal of Organic Chemistry 74 (2009) 274–282; doi:10.1021/jo8020506

data_4024233
_publ_section_title
;
Synthesis and Chemistry of 2,3-Dioxabicyclo[2.2.2]octane-5,6-diols
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              274
_journal_page_last               282
_journal_paper_doi               10.1021/jo8020506
_journal_volume                  74
_journal_year                    2009
_chemical_formula_moiety         'C10 H20 O4'
_chemical_formula_sum            'C10 H20 O4'
_chemical_formula_weight         204.26
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                83.63(2)
_cell_angle_beta                 68.448(13)
_cell_angle_gamma                73.18(2)
_cell_formula_units_Z            4
_cell_length_a                   9.3219(5)
_cell_length_b                   10.5827(19)
_cell_length_c                   11.9459(16)
_cell_measurement_reflns_used    1552
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      30.1
_cell_measurement_theta_min      2.5
_cell_volume                     1049.2(2)
_computing_cell_refinement       CrystalClear
_computing_data_collection
'CrystalClear (Rigaku Americas Corporation, 2005)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics
'ORTEPII (Johnson, 1976) & Brandenburg (Crystal Impact, 2006)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  AFC12\K/SATURN724
_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  0.016
_diffrn_reflns_av_sigmaI/netI    0.017
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9734
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         2.5
_diffrn_standards_decay_%        '< 1'
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.881
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Higashi, 1995)'
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    1.293
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.29
_refine_diff_density_min         -0.21
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.15
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         3599
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.15
_refine_ls_R_factor_all          0.044
_refine_ls_R_factor_gt           0.043
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0611P)^2^+0.2854P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.127
_refine_ls_wR_factor_ref         0.129
_reflns_number_gt                3402
_reflns_number_total             3599
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo8020506_si_002.cif
_cod_data_source_block           688504
_cod_database_code               4024233