Spin-Localized Cyclopentadienyl Radical Annelated with Homoadamantene Frameworks: Isolation, X-ray Crystal Structure, and ESR Characterization
Toshikazu Kitagawa; Kohei Ogawa; Koichi Komatsu; Journal of the American Chemical Society 126 (2004) 9930–9931; doi:10.1021/ja046617o

data_4112853
_publ_contact_author_address
;
    Institute for Chemical Research, Kyoto University, Gokasho, Uji, 
    Kyoto 611-0011, Japan. 
;
_publ_contact_author_email       ' kitagawa@scl.kyoto-u.ac.jp'
_publ_contact_author_fax         ' +81-774-38-3178 '
_publ_contact_author_name        ' Toshikazu Kitagawa '
_publ_contact_author_phone       ' +81-774-38-3173 '
_publ_section_title
;
 Spin-Localized Cyclopentadienyl Radical Annelated with Homoadamantene
 Frameworks: Isolation, X-ray Crystal Structure, and ESR Characterization
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9930
_journal_page_last               9931
_journal_paper_doi               10.1021/ja046617o
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C27 H38'
_chemical_formula_weight         362.57
_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             ' Sep 27 2003 '
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.944(5)
_cell_angle_beta                 93.392(5)
_cell_angle_gamma                95.261(5)
_cell_formula_units_Z            4
_cell_length_a                   6.503(5)
_cell_length_b                   15.317(5)
_cell_length_c                   20.900(5)
_cell_measurement_temperature    100(2)
_cell_volume                     2047.7(18)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0293
_diffrn_reflns_av_sigmaI/netI    0.0943
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            10780
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    0.065
_exptl_absorpt_correction_T_max  0.9871
_exptl_absorpt_correction_T_min  0.9807
_exptl_absorpt_correction_type   empirical(SADABS)
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.176
_exptl_crystal_description       prism
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.190
_refine_diff_density_min         -0.202
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.892
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     493
_refine_ls_number_reflns         7108
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.892
_refine_ls_R_factor_all          0.0943
_refine_ls_R_factor_gt           0.0534
_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^)+(0.0295P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0896
_refine_ls_wR_factor_ref         0.1008
_reflns_number_gt                4461
_reflns_number_total             7108
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja046617osi20040709_113441.cif
_cod_data_source_block           Cyclopentadiene5
_cod_database_code               4112853