Comproportionation Reactions to Manganese(III/IV) Pivalate Clusters: A New Half-Integer Spin Single-Molecule Magnet
Shreya Mukherjee; Khalil A. Abboud; Wolfgang Wernsdorfer; George Christou; Inorganic Chemistry 52 (2013) 873–884; doi:10.1021/ic302021a

data_4333582
_publ_section_title
;
 Comproportionation Reactions to Manganese(III/IV) Pivalate Clusters: A
 New Half-Integer Spin Single-Molecule Magnet
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              873
_journal_page_last               884
_journal_paper_doi               10.1021/ic302021a
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C54.5 H97 Cl3 Mn8 N3.5 O26'
_chemical_formula_weight         1763.23
_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
_audit_update_record
; 
2009-06-20 # Formatted by publCIF 
;
_cell_angle_alpha                80.803(4)
_cell_angle_beta                 88.478(4)
_cell_angle_gamma                64.989(4)
_cell_formula_units_Z            2
_cell_length_a                   14.045(4)
_cell_length_b                   14.666(4)
_cell_length_c                   22.284(6)
_cell_measurement_reflns_used    145
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     4102(2)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.945
_diffrn_measured_fraction_theta_max 0.945
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_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  0.0654
_diffrn_reflns_av_sigmaI/netI    0.0914
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            29519
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    1.355
_exptl_absorpt_correction_T_max  0.9341
_exptl_absorpt_correction_T_min  0.6702
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
'based on measured indexed crystal faces, Bruker SHELXTL  v6.12 (Bruker 1998)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_meas      0
_exptl_crystal_description       needles
_exptl_crystal_F_000             1815
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.858
_refine_diff_density_min         -1.543
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     814
_refine_ls_number_reflns         17783
_refine_ls_number_restraints     40
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0994
_refine_ls_R_factor_gt           0.0577
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0853P)] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1570
_refine_ls_wR_factor_ref         0.1772
_reflns_number_gt                10979
_reflns_number_total             17783
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic302021a_si_002_1.cif
_cod_data_source_block           sm50
_cod_original_cell_volume        4101.8(19)
_cod_original_formula_sum        'C54.50 H97 Cl3 Mn8 N3.50 O26'
_cod_database_code               4333582