Synthesis, Structure, and Dynamic Behavior of Cyclopentadienyl-Lithium, -Sodium, and -Potassium Annelated with Bicyclo[2.2.2]octene Units: A Systematic Study on Site Exchange of Alkali Metals on a Cyclopentadienyl Ring in Tetrahydrofuran
Tohru Nishinaga; Daisuke Yamazaki; Helmut Stahr; Atsushi Wakamiya; Koichi Komatsu; Journal of the American Chemical Society 125 (2003) 7324–7335; doi:10.1021/ja0346431

data_4113825
_publ_contact_author_address
;
    Institute for Chemical Research, Kyoto University, Gokasho, Uji, 
    Kyoto 611-0011, Japan. 
;
_publ_contact_author_email       ' komatsu@scl.kyoto-u.ac.jp'
_publ_contact_author_fax         ' +81-774-38-3178 '
_publ_contact_author_name        ' Koichi Komatsu '
_publ_contact_author_phone       ' +81-774-38-3172 '
_publ_section_title
;
 Synthesis, Structure, and Dynamic Behavior of Cyclopentadienyl-Lithium,
 -Sodium, and -Potassium Annelated with Bicyclo[2.2.2]octene Units: A
 Systematic Study on Site Exchange of Alkali Metals on a Cyclopentadienyl
 Ring in Tetrahydrofuran
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7324
_journal_page_last               7335
_journal_paper_doi               10.1021/ja0346431
_journal_volume                  125
_journal_year                    2003
_chemical_formula_moiety         'C23 H25 Na'
_chemical_formula_sum            'C35 H49 Na O3'
_chemical_formula_weight         540.73
_chemical_name_common
5-phenyl-1,2:3,4-bis(bicyclo[2.2.2]octeno)cyclopentadienylsodium-(THF)3
_chemical_name_systematic
; 
 ? 
;
_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_date             ' Wed Sep 17 2000 '
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.720(2)
_cell_angle_beta                 88.816(2)
_cell_angle_gamma                69.497(2)
_cell_formula_units_Z            2
_cell_length_a                   9.6261(9)
_cell_length_b                   10.5597(10)
_cell_length_c                   16.1138(15)
_cell_measurement_temperature    123(2)
_cell_volume                     1489.9(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.903
_diffrn_measured_fraction_theta_max 0.903
_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  0.0184
_diffrn_reflns_av_sigmaI/netI    0.0477
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7557
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_description       prism
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.629
_refine_diff_density_min         -0.475
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         4750
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0688
_refine_ls_R_factor_gt           0.0513
_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^)+(0.0786P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1294
_refine_ls_wR_factor_ref         0.1362
_reflns_number_gt                3602
_reflns_number_total             4750
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0346431si20030213_020940.cif
_cod_data_source_block           1Na(THF)3
_cod_database_code               4113825