Structural Insights into Ligand Dynamics: Correlated Oxygen and Picket Motion in Oxycobalt Picket Fence Porphyrins
Jianfeng Li; Bruce C. Noll; Allen G. Oliver; W. Robert Scheidt; Journal of the American Chemical Society 134 (2012) 10595–10606; doi:10.1021/ja303475a

data_4118140
_publ_section_title
;
 Structural Insights into Ligand Dynamics: Correlated Oxygen and Picket
 Motion in Oxycobalt Picket Fence Porphyrins
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10595
_journal_page_last               10606
_journal_paper_doi               10.1021/ja303475a
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C69 H72 Co N10 O6, C6 H6'
_chemical_formula_sum            'C75 H78 Co N10 O6'
_chemical_formula_weight         1274.40
_chemical_name_common            '[Co(TpivPP)(1-EtIm)(O2)]C6H6'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_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_method           SHELXL-97
_cell_angle_alpha                89.416(11)
_cell_angle_beta                 88.707(11)
_cell_angle_gamma                88.007(11)
_cell_formula_units_Z            2
_cell_length_a                   13.155(2)
_cell_length_b                   13.517(2)
_cell_length_c                   18.249(3)
_cell_measurement_reflns_used    7559
_cell_measurement_temperature    80(2)
_cell_measurement_theta_max      24.8056
_cell_measurement_theta_min      2.3771
_cell_volume                     3242.0(9)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2007; Sheldrick, 2008)'
_computing_molecular_graphics    'XP (Sheldrick, 2008)'
_computing_publication_material  'XCIF (Sheldrick, 2008)/enCIFer (CCDC, 2005)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      80(2)
_diffrn_measured_fraction_theta_full 0.792
_diffrn_measured_fraction_theta_max 0.792
_diffrn_measurement_device_type  'Brucker d8 ApexII CCD diffractometer'
_diffrn_measurement_method       '\f and \w 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0602
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            9341
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.12
_exptl_absorpt_coefficient_mu    0.328
_exptl_absorpt_correction_T_max  0.9434
_exptl_absorpt_correction_T_min  0.8967
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'TWINABS, Sheldrick, 2008'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       block
_exptl_crystal_F_000             1346
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.026
_refine_diff_density_min         -0.635
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     835
_refine_ls_number_reflns         9341
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.1379
_refine_ls_R_factor_gt           0.0869
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0814P)^2^+20.1390P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2102
_refine_ls_wR_factor_ref         0.2403
_reflns_number_gt                6892
_reflns_number_total             9341
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja303475a_si_006.cif
_cod_data_source_block           jfli35_re80t5
_cod_original_cell_volume        3242.1(10)
_cod_database_code               4118140