Continuum of Outer- and Inner-Sphere Mechanisms for Organic Electron Transfer. Steric Modulation of the Precursor Complex in Paramagnetic (Ion-Radical) Self-Exchanges
Sergiy V. Rosokha; Jay K. Kochi; Journal of the American Chemical Society 129 (2007) 3683–3697; doi:10.1021/ja069149m

data_4109230
_publ_section_title
;
 Continuum of Outer- and Inner-Sphere Mechanisms for Organic Electron
 Transfer. Steric Modulation of the Precursor Complex in Paramagnetic
 (Ion-Radical) Self-Exchanges
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3683
_journal_page_last               3697
_journal_paper_doi               10.1021/ja069149m
_journal_volume                  129
_journal_year                    2007
_chemical_formula_moiety         'C23 H31 N S'
_chemical_formula_sum            'C23 H31 N S'
_chemical_formula_weight         353.55
_chemical_name_common            Dibutyl-N-propyl-PHTZ
_chemical_name_systematic
; 
 2,7-Di-tert-butyl-N-isopropyl-phenothiazine
;
_space_group_IT_number           56
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.87(2)
_cell_length_b                   25.24(5)
_cell_length_c                   10.08(2)
_cell_measurement_reflns_used    245
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      17.16
_cell_measurement_theta_min      2.82
_cell_volume                     4546(14)
_computing_cell_refinement       'SAINT V6.28 (BrukerAXS, 1997-2001)'
_computing_data_collection       'SMART V5.630 (BrukerAXS, 1997-2001)'
_computing_data_reduction        'SAINT & SADABS V2.06 (Sheldrick, 2000)'
_computing_molecular_graphics    'XP V5.06 (BrukerAXS, 1997-99)'
_computing_publication_material  'SHELXL-93, XCIF V5.05 (BrukerAXS, 1997-99)'
_computing_structure_refinement  'SHELXTL v. 6.12 (Sheldrick, 2001)'
_computing_structure_solution    'SHELXTL v. 6.12 (Sheldrick, 2001)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       'Siemens SMART'
_diffrn_measurement_method
;
\w-scan, frame range 0.3 deg, hemisphere
;
_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  0.1124
_diffrn_reflns_av_sigmaI/netI    0.0760
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            62952
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.40
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.147
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.033
_exptl_crystal_description       plate
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.296
_refine_diff_density_min         -0.347
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.947
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         6589
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      0.973
_refine_ls_R_factor_all          0.1521
_refine_ls_R_factor_gt           0.0690
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1623P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2121
_refine_ls_wR_factor_ref         0.2404
_reflns_number_gt                2742
_reflns_number_total             6589
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja069149msi20061220_055604.cif
_cod_data_source_block           lu14
_cod_original_cell_volume        4547(14)
_cod_database_code               4109230