Dinuclear Triple Helicates with Diazine Ligands: X-ray Structural, Electrochemical, and Magnetic Studies
Subramanya Gupta Sreerama; Samudranil Pal; Inorganic Chemistry 44 (2005) 6299–6307; doi:10.1021/ic050704f

data_4309534
_publ_section_title
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Dinuclear Triple Helicates with Diazine Ligands: X-ray Structural,
Electrochemical, and Magnetic Studies
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6299
_journal_page_last               6307
_journal_paper_doi               10.1021/ic050704f
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C50 H46 Cl4 Fe2 N6 O6'
_chemical_formula_weight         1080.43
_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                82.267(5)
_cell_angle_beta                 88.161(4)
_cell_angle_gamma                76.548(4)
_cell_formula_units_Z            2
_cell_length_a                   11.931(3)
_cell_length_b                   13.555(4)
_cell_length_c                   15.319(4)
_cell_measurement_reflns_used    4918
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      23.54
_cell_measurement_theta_min      2.21
_cell_volume                     2387.6(11)
_computing_cell_refinement       'Bruker SMART (2003)'
_computing_data_collection       'Bruker SMART (2003)'
_computing_data_reduction        'Bruker SAINT-Plus (2003)'
_computing_molecular_graphics    'ORTEX6a (McArdle,1995), PLATON (Spek,2002)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0957
_diffrn_reflns_av_sigmaI/netI    0.1420
_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       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            25088
_diffrn_reflns_theta_full        26.30
_diffrn_reflns_theta_max         26.30
_diffrn_reflns_theta_min         1.34
_exptl_absorpt_coefficient_mu    0.889
_exptl_absorpt_correction_T_max  0.9404
_exptl_absorpt_correction_T_min  0.7521
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       needle
_exptl_crystal_F_000             1112
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.583
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.990
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     619
_refine_ls_number_reflns         9506
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.990
_refine_ls_R_factor_all          0.1617
_refine_ls_R_factor_gt           0.0786
_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^)+(0.0716P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1454
_refine_ls_wR_factor_ref         0.1743
_reflns_number_gt                4826
_reflns_number_total             9506
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050704fsi20050505_023049_3.cif
_cod_data_source_block           '[Fe2(mesalhn)3].2CH2Cl2'
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_database_code               4309534