Manifestations of the Alder-Rickert Reaction in the Structures of Bicyclo[2.2.2]octadiene and Bicyclo[2.2.2]octene Derivatives
Yit Wooi Goh; Stephen M. Danczak; Tang Kuan Lim; Jonathan M. White; Journal of Organic Chemistry 72 (2007) 2929–2935; doi:10.1021/jo0625610

data_4022822
_publ_section_title
;
 Manifestations of the Alder-Rickert Reaction in the Structures
 of Bicyclo[2.2.2]octadiene and Bicyclo[2.2.2]octene Derivatives
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2929
_journal_page_last               2935
_journal_paper_doi               10.1021/jo0625610
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C14 H16 O3'
_chemical_formula_weight         232.27
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.102(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.348(3)
_cell_length_b                   7.9547(18)
_cell_length_c                   14.484(4)
_cell_measurement_reflns_used    445
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      17.76
_cell_measurement_theta_min      2.86
_cell_volume                     1173.8(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0917
_diffrn_reflns_av_sigmaI/netI    0.1432
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5875
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.207
_refine_diff_density_min         -0.131
_refine_diff_density_rms         0.035
_refine_ls_extinction_coef       0.0004(10)
_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   0.732
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         2077
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.732
_refine_ls_R_factor_all          0.1639
_refine_ls_R_factor_gt           0.0526
_refine_ls_shift/su_max          0.075
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0335P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0992
_refine_ls_wR_factor_ref         0.1166
_reflns_number_gt                713
_reflns_number_total             2077
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0625610si20061219_073713_3.cif
_cod_data_source_block           CMPD12
_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.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4022822