Single-Molecule Magnets: Structural Characterization, Magnetic Properties, and 19F NMR Spectroscopy of a Mn12 Family Spanning Three Oxidation Levels
Nicole E. Chakov; Mònica Soler; Wolfgang Wernsdorfer; Khalil A. Abboud; George Christou; Inorganic Chemistry 44 (2005) 5304–5321; doi:10.1021/ic050379w

data_4309279
_publ_section_title
;
Single-Molecule Magnets: Structural Characterization, Magnetic
Properties, and 19F NMR Spectroscopy of a Mn12 Family Spanning Three
Oxidation Levels
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5304
_journal_page_last               5321
_journal_paper_doi               10.1021/ic050379w
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C162 H80 F80 Mn12 N2 O48'
_chemical_formula_weight         5001.56
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 91.640(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.7892(15)
_cell_length_b                   27.0937(19)
_cell_length_c                   31.623(2)
_cell_measurement_reflns_used    72
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     18661(2)
_computing_cell_refinement       'Bruker SMART & SAINT (Bruker 1998)'
_computing_data_collection       'Bruker SMART (Bruker 1998)'
_computing_data_reduction        'Bruker SHELXTL (Bruker 2000)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'SMART CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1351
_diffrn_reflns_av_sigmaI/netI    0.2537
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            83220
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.64
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.940
_exptl_absorpt_correction_T_max  0.9291
_exptl_absorpt_correction_T_min  0.8461
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'based on measured indexed crystal faces, SHELXTL (Bruker 1998)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.780
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             9880
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.933
_refine_diff_density_min         -0.620
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.868
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1415
_refine_ls_number_reflns         21314
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.868
_refine_ls_R_factor_all          0.2051
_refine_ls_R_factor_gt           0.0581
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0700P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1431
_refine_ls_wR_factor_ref         0.1732
_reflns_number_gt                7055
_reflns_number_total             21314
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic050379wsi20050314_034555_3.cif
_cod_data_source_block           ms13
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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               4309279