Synthesis, Spectral, and Structural Studies of Porphyrins Having Sterically Hindered [η5-CpCo(η4-C4Ph4)] Cobalt Sandwich Units at the Meso Positions
Karunesh Keshav; Dheeraj Kumar; Anil J. Elias; Inorganic Chemistry 52 (2013) 12351–12366; doi:10.1021/ic401099c

data_4336509
_publ_contact_author_address
;DEPARTMENT OF CHEMISTRY
INDIAN INSTITUTE OF TECHNOLOGY DELHI
HAUZ KHAS, NEW DELHI 110016
INDIA
;
_publ_contact_author_email       elias@chemistry.iitd.ac.in
_publ_contact_author_fax         +91-11-26581504
_publ_contact_author_name        'Prof.Anil J. Elias'
_publ_contact_author_phone       +91-11-26591504
_publ_section_title
;
 Synthesis, Spectral, and Structural Studies of Porphyrins Having
 Sterically Hindered [\h5-CpCo(\h4-C4Ph4)] Cobalt Sandwich Units at the
 Meso Positions
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              12351
_journal_page_last               12366
_journal_paper_doi               10.1021/ic401099c
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C44 H33 Co N2 O2, 2(C H Cl3)'
_chemical_formula_sum            'C46 H35 Cl6 Co N2 O2'
_chemical_formula_weight         919.39
_chemical_name_systematic
; 
 ? 
;
_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_method           SHELXL-97
_cell_angle_alpha                86.351(3)
_cell_angle_beta                 66.987(2)
_cell_angle_gamma                67.107(2)
_cell_formula_units_Z            2
_cell_length_a                   12.5079(18)
_cell_length_b                   14.058(2)
_cell_length_c                   14.392(2)
_cell_measurement_reflns_used    5773
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.06
_cell_measurement_theta_min      2.32
_cell_volume                     2134.1(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0377
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            20553
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    0.818
_exptl_absorpt_correction_T_max  0.812
_exptl_absorpt_correction_T_min  0.773
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.431
_exptl_crystal_density_meas      1.431
_exptl_crystal_description       block
_exptl_crystal_F_000             940.0
_exptl_crystal_size_max          0.315
_exptl_crystal_size_mid          0.289
_exptl_crystal_size_min          0.254
_refine_diff_density_max         0.925
_refine_diff_density_min         -0.837
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     514
_refine_ls_number_reflns         7513
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0903
_refine_ls_R_factor_gt           0.0782
_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^)+(0.1175P)^2^+2.6603P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2041
_refine_ls_wR_factor_ref         0.2138
_reflns_number_gt                6314
_reflns_number_total             7513
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic401099c_si_002_2.cif
_cod_data_source_block           2
_cod_original_sg_symbol_Hall     -P1
_cod_database_code               4336509