Dioxo-Bridged Dinuclear Manganese(III) and -(IV) Complexes of Pyridyl Donor Tripod Ligands: Combined Effects of Steric Substitution and Chelate Ring Size Variations on Structural, Spectroscopic, and Electrochemical Properties
Yilma Gultneh; Teshome B. Yisgedu; Yohannes T. Tesema; Ray J. Butcher; Inorganic Chemistry 42 (2003) 1857–1867; doi:10.1021/ic020131w

data_4313326
_publ_section_title
;
 Dioxo-Bridged Dinuclear Manganese(III) and -(IV) Complexes of Pyridyl
 Donor Tripod Ligands: Combined Effects of Steric Substitution and Chelate
 Ring Size Variations on Structural, Spectroscopic, and Electrochemical
 Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1857
_journal_page_last               1867
_journal_paper_doi               10.1021/ic020131w
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C46 H54 Cl2 Mn2 N10 O10'
_chemical_formula_weight         1087.77
_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                78.751(9)
_cell_angle_beta                 68.485(8)
_cell_angle_gamma                76.168(10)
_cell_formula_units_Z            2
_cell_length_a                   12.3508(18)
_cell_length_b                   14.950(2)
_cell_length_c                   15.1856(16)
_cell_measurement_reflns_used    51
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12.52
_cell_measurement_theta_min      4.35
_cell_volume                     2515.0(6)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0777
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11938
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.04
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.674
_exptl_absorpt_correction_T_max  0.7842
_exptl_absorpt_correction_T_min  0.3781
_exptl_absorpt_correction_type   SHELXA
_exptl_crystal_colour            red-brown
_exptl_crystal_density_diffrn    1.436
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1128
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.99
_exptl_crystal_size_min          0.99
_refine_diff_density_max         0.568
_refine_diff_density_min         -0.430
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     717
_refine_ls_number_reflns         11405
_refine_ls_number_restraints     29
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.1253
_refine_ls_R_factor_gt           0.0653
_refine_ls_shift/su_max          0.116
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0860P)^2^+0.8485P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1508
_refine_ls_wR_factor_ref         0.1829
_reflns_number_gt                6618
_reflns_number_total             11405
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020131w_2.cif
_cod_data_source_block           ty152b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        2514.9(6)
_cod_database_code               4313326