Synthesis, Structure, and Magnetic Studies of Manganese-Oxygen Clusters of Reduced Coordination Number, Featuring an Unchelated, 5-Coordinate Octanuclear Manganese Cluster with Water-Derived Oxo Ligands
Sandeep K. Kondaveeti; Shivaiah Vaddypally; Carol Lam; Daigorou Hirai; Ni Ni; Robert J. Cava; Michael J. Zdilla; Inorganic Chemistry 51 (2012) 10095–10104; doi:10.1021/ic202448c

data_4330441
_publ_section_title
;
 Synthesis, Structure, and Magnetic Studies of Manganese-Oxygen Clusters
 of Reduced Coordination Number, Featuring an Unchelated, 5-Coordinate
 Octanuclear Manganese Cluster with Water-Derived Oxo Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10095
_journal_page_last               10104
_journal_paper_doi               10.1021/ic202448c
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         MnO4C44H48
_chemical_formula_sum            'C44 H48 Mn O4'
_chemical_formula_weight         695.76
_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                75.8960(10)
_cell_angle_beta                 83.3060(10)
_cell_angle_gamma                70.1170(10)
_cell_formula_units_Z            2
_cell_length_a                   10.8698(5)
_cell_length_b                   11.5942(6)
_cell_length_c                   16.1014(8)
_cell_measurement_reflns_used    7702
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      33.464
_cell_measurement_theta_min      3.5595
_cell_volume                     1849.46(16)
_computing_cell_refinement       'Saint (Bruker-AXS)'
_computing_data_collection       'COSMO (Bruker-AXS)'
_computing_data_reduction        'SADABS (Bruker-AXS)'
_computing_molecular_graphics    XP
_computing_publication_material  'APEX II report generator (Bruker-AXS)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.845
_diffrn_measured_fraction_theta_max 0.845
_diffrn_measurement_device_type  'Kappa APEX II DUO'
_diffrn_measurement_method       '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  0.0206
_diffrn_reflns_av_sigmaI/netI    0.0467
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            24178
_diffrn_reflns_theta_full        35.30
_diffrn_reflns_theta_max         35.30
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    0.399
_exptl_absorpt_correction_T_max  0.7469
_exptl_absorpt_correction_T_min  0.6070
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Estimated minimum and maximum transmission:  0.6070  0.7469
 The ratio of these values is more reliable than their absolute values!
 Additional spherical absorption correction applied with mu*r =  0.2000
 Lambda/2 correction factor = 0.0015
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_description       Block
_exptl_crystal_F_000             738
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.565
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     446
_refine_ls_number_reflns         14067
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0856
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0573P)^2^+0.4707P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1128
_refine_ls_wR_factor_ref         0.1294
_reflns_number_gt                9344
_reflns_number_total             14067
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202448c_si_002_4.cif
_cod_data_source_block           3b
_cod_database_code               4330441