Reversible Photoredox Switching of Porphyrin-Bridged Bis-2,6-di-tert-butylphenols
Shinsuke Ishihara; Jonathan P. Hill; Atsuomi Shundo; Gary J. Richards; Jan Labuta; Kei Ohkubo; Shunichi Fukuzumi; Akira Sato; Mark R. J. Elsegood; Simon J. Teat; Katsuhiko Ariga; Journal of the American Chemical Society 133 (2011) 16119–16126; doi:10.1021/ja2056165

data_4106914
_publ_contact_author
; 
'Jonathan P. Hill'
;
_publ_contact_author_email       jonathan.hill@nims.go.jp
_publ_contact_author_phone       '+81 29 860 4399'
_publ_section_title
;
 Reversible Photoredox Switching of Porphyrin-Bridged
 Bis-2,6-di-tert-butylphenols
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16119
_journal_page_last               16126
_journal_paper_doi               10.1021/ja2056165
_journal_volume                  133
_journal_year                    2011
_chemical_formula_moiety         'C66 H74 N4 O8, 2(C H2 Cl2)'
_chemical_formula_sum            'C68 H78 Cl4 N4 O8'
_chemical_formula_weight         1221.14
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 92.847(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.102(4)
_cell_length_b                   14.324(3)
_cell_length_c                   15.194(4)
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      26.495
_cell_measurement_theta_min      2.844
_cell_volume                     3282.7(14)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.918
_diffrn_measured_fraction_theta_max 0.918
_diffrn_measurement_device_type  'Bruker APEX CCD diffractometer'
_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  0.0221
_diffrn_reflns_av_sigmaI/netI    0.0193
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            25925
_diffrn_reflns_theta_full        27.05
_diffrn_reflns_theta_max         27.05
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.8621
_exptl_absorpt_correction_T_min  0.4842
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2008/1, Sheldrick, G.M., (2008)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_description       block
_exptl_crystal_F_000             1278
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.733
_refine_diff_density_min         -0.655
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.0010(7)
_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   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     390
_refine_ls_number_reflns         6636
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0560
_refine_ls_R_factor_gt           0.0512
_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^)+(0.0710P)^2^+2.0275P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1355
_refine_ls_wR_factor_ref         0.1399
_reflns_number_gt                5918
_reflns_number_total             6636
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2056165_si_002.cif
_cod_data_source_block           prome2
_cod_original_cell_volume        3282.8(13)
_cod_database_code               4106914