Remarkably Bent, Ethane-Linked, Diiron(III) μ-Oxobisporphyrin: Synthesis, Structure, Conformational Switching, and Photocatalytic Oxidation
Sudip Kumar Ghosh; Ranjan Patra; Sankar Prasad Rath; Inorganic Chemistry 47 (2008) 10196–10198; doi:10.1021/ic801423g

data_4306598
_publ_contact_author_address
;Department of Chemistry
Indian Institute of Technology Kanpur
Kanpur-208016
INDIA
;
_publ_contact_author_email       sprath@iitk.ac.in
_publ_contact_author_fax         91-512-2597436
_publ_contact_author_name        'Sankar Prasad Rath'
_publ_contact_author_phone       91-512-2597251
_publ_section_title
;
Remarkably Bent, Ethane-Linked, Diiron(III) \m-Oxobisporphyrin: Synthesis,
Structure, Conformational Switching, and Photocatalytic Oxidation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10196
_journal_page_last               10198
_journal_paper_doi               10.1021/ic801423g
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C76 H93 Fe2 N9 O'
_chemical_formula_weight         1260.29
_chemical_name_common            '[Fe(OEP-CH2-CH2-OEP)]2O, 3a'
_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                 96.988(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.475(4)
_cell_length_b                   15.317(3)
_cell_length_c                   26.587(6)
_cell_measurement_reflns_used    999
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.0
_cell_measurement_theta_min      2.3
_cell_volume                     6659(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXL 5.1, XP (Sheldrick, 1994)'
_computing_publication_material  SHELXS-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART APEX'
_diffrn_measurement_method       \w
_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  0.0931
_diffrn_reflns_av_sigmaI/netI    0.1090
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            33846
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         2.04
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.488
_exptl_absorpt_correction_T_max  0.8961
_exptl_absorpt_correction_T_min  0.8140
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.05 (Sheldrick, 2002)'
_exptl_crystal_colour            Purple
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2688
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.971
_refine_diff_density_min         -0.753
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.986
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     810
_refine_ls_number_reflns         12001
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.986
_refine_ls_R_factor_all          0.0980
_refine_ls_R_factor_gt           0.0664
_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^)+(0.0786P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1457
_refine_ls_wR_factor_ref         0.1650
_reflns_number_gt                8288
_reflns_number_total             12001
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801423g_si_002.cif
_cod_data_source_block           4sepb
_cod_database_code               4306598