New Polynuclear Manganese Clusters from the Use of the Hydrophobic Carboxylate Ligand 2,2-Dimethylbutyrate
Nicole E. Chakov; Lev N. Zakharov; Arnold L. Rheingold; Khalil A. Abboud; George Christou; Inorganic Chemistry 44 (2005) 4555–4567; doi:10.1021/ic050201+

data_4327325
_publ_section_title
;
 New Polynuclear Manganese Clusters from the Use of the Hydrophobic
 Carboxylate Ligand 2,2-Dimethylbutyrate
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4555
_journal_page_last               4567
_journal_paper_doi               10.1021/ic050201+
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C28 H45 Mn2 N2 O9'
_chemical_formula_weight         663.54
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 107.1740(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.9936(10)
_cell_length_b                   18.8216(14)
_cell_length_c                   14.0822(10)
_cell_measurement_reflns_used    5821
_cell_measurement_temperature    218(2)
_cell_measurement_theta_max      28.25
_cell_measurement_theta_min      2.16
_cell_volume                     3290.4(4)
_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      218(2)
_diffrn_measured_fraction_theta_full 0.933
_diffrn_measured_fraction_theta_max 0.933
_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  0.0259
_diffrn_reflns_av_sigmaI/netI    0.0322
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            20298
_diffrn_reflns_theta_full        28.27
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.817
_exptl_absorpt_correction_T_max  0.9603
_exptl_absorpt_correction_T_min  0.7100
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            DarkRed
_exptl_crystal_density_diffrn    1.339
_exptl_crystal_density_meas      0
_exptl_crystal_description       Block
_exptl_crystal_F_000             1396
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.771
_refine_diff_density_min         -0.461
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     366
_refine_ls_number_reflns         7615
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0630
_refine_ls_R_factor_gt           0.0530
_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^)+(0.1014P)^2^+2.3812P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1542
_refine_ls_wR_factor_ref         0.1649
_reflns_number_gt                6340
_reflns_number_total             7615
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0502012Bsi20050207_102952_4.cif
_cod_data_source_block           chr15
_cod_database_code               4327325