(2-<i>exo</i>,7-<i>exo</i>,9-<i>endo</i>,10-<i>endo</i>)-11-Oxatricyclo[6.2.1.0^2,7^]undec-4-ene-9,10-diyl diacetate
Mehmet Akkurt; Sema Öztürk Yıldırım; Arif Baran; Hasan Seçen; Orhan Büyükgüngör; Acta Crystallographica Section E 61 (2005) o760–o762; doi:10.1107/S1600536805005234

data_2205388
_publ_section_title
;(2-<i>exo</i>,7-<i>exo</i>,9-<i>endo</i>,10-<i>endo</i>)-11-Oxatricyclo[6.2.1.0^2,7^]undec-4-ene-9,10-diyl
 diacetate
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o760
_journal_page_last               o762
_journal_paper_doi               10.1107/S1600536805005234
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C14 H18 O5'
_chemical_formula_moiety         'C14 H18 O5'
_chemical_formula_sum            'C14 H18 O5'
_chemical_formula_weight         266.28
_chemical_name_systematic
;(2-exo,7-exo,9-endo,10-endo)-11-Oxatricyclo[6.2.1.0^2,7^]undec-4-ene-9,10-diyl
diacetate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 97.449(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.8430(3)
_cell_length_b                   12.8501(8)
_cell_length_c                   17.5767(11)
_cell_measurement_reflns_used    2988
_cell_measurement_temperature    150
_cell_measurement_theta_max      27.56
_cell_measurement_theta_min      1.58
_cell_volume                     1308.58(13)
_computing_cell_refinement       X-AREA
_computing_data_collection       'X-AREA (Stoe & Cie, 2002)'
_computing_data_reduction        'X-RED32 (Stoe & Cie, 2002)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'Stoe IPDS-II'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0273
_diffrn_reflns_av_sigmaI/netI    0.0138
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18334
_diffrn_reflns_reduction_process ' ?'
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.973
_exptl_absorpt_correction_T_min  0.944
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   '(X-RED32; Stoe & Cie, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.57
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.222
_refine_diff_density_min         -0.181
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         2988
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0370
_refine_ls_R_factor_gt           0.0317
_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^)+(0.0437P)^2^+0.2964P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0813
_refine_ls_wR_factor_ref         0.0839
_reflns_number_gt                2624
_reflns_number_total             2988
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ww6356.cif
_cod_data_source_block           6
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2205388