1,4-Hydroxybiradical Behavior Revealed through Crystal Structure-Solid-State Reactivity Correlations
Dario Braga; Shuang Chen; Heather Filson; Lucia Maini; Matthew R. Netherton; Brian O. Patrick; John R. Scheffer; Carl Scott; Wujiong Xia; Journal of the American Chemical Society 126 (2004) 3511–3520; doi:10.1021/ja039076w

data_4112364
_publ_contact_author_address
;
   Department of Chemistry
   The University of British Columbia
   2036 Main Mall
   Vancouver, BC V6T 1Z1
;
_publ_contact_author_email       ' scheffer@chem.ubc.ca '
_publ_contact_author_fax         ' 604-822-2847 '
_publ_contact_author_name        ' Dr John R. Scheffer'
_publ_contact_author_phone       ' 604-822-3496 '
_publ_section_title
;
 1,4-Hydroxybiradical Behavior Revealed through Crystal
 Structure-Solid-State Reactivity Correlations
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3511
_journal_page_last               3520
_journal_paper_doi               10.1021/ja039076w
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C18 H22 O'
_chemical_formula_weight         254.36
_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                 90.7360(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2743(2)
_cell_length_b                   7.5960(2)
_cell_length_c                   24.9959(6)
_cell_measurement_temperature    293(2)
_cell_volume                     1381.05(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.904
_diffrn_measured_fraction_theta_max 0.904
_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  0.0599
_diffrn_reflns_av_sigmaI/netI    0.0332
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            18143
_diffrn_reflns_theta_full        26.25
_diffrn_reflns_theta_max         26.25
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.656211
_exptl_absorpt_correction_type   Sadbas
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_description       prism
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.145
_refine_diff_density_min         -0.154
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2514
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0686
_refine_ls_R_factor_gt           0.0415
_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^)+(0.0654P)^2^+0.0619P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1069
_refine_ls_wR_factor_ref         0.1189
_reflns_number_gt                1718
_reflns_number_total             2514
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja039076wsi20031015_043604_10.cif
_cod_data_source_block           4b
_cod_database_code               4112364