Mixed-Valence MnIIIMnIV Clusters [Mn7O8(O2SePh)8(O2CMe)(H2O)] and [Mn7O8(O2SePh)9(H2O)]: Single-Chain Magnets Exhibiting Quantum Tunneling of Magnetization
Nicole E. Chakov; Wolfgang Wernsdorfer; Khalil A. Abboud; George Christou; Inorganic Chemistry 43 (2004) 5919–5930; doi:10.1021/ic0494049

data_4311608
_publ_section_title
;
 Mixed-Valence MnIIIMnIV Clusters [Mn7O8(O2SePh)8(O2CMe)(H2O)] and
 [Mn7O8(O2SePh)9(H2O)]: Single-Chain Magnets Exhibiting Quantum Tunneling
 of Magnetization
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5919
_journal_page_last               5930
_journal_paper_doi               10.1021/ic0494049
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C62 H63 Mn7 N6 O27 Se8'
_chemical_formula_weight         2340.44
_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                99.639(2)
_cell_angle_beta                 91.197(2)
_cell_angle_gamma                105.776(2)
_cell_formula_units_Z            2
_cell_length_a                   10.7432(8)
_cell_length_b                   15.1584(11)
_cell_length_c                   24.3955(18)
_cell_measurement_reflns_used    33
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     3759.9(5)
_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 0.969
_diffrn_measured_fraction_theta_max 0.969
_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  0.1046
_diffrn_reflns_av_sigmaI/netI    0.3156
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            33358
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.52
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.094
_exptl_absorpt_correction_T_max  0.8348
_exptl_absorpt_correction_T_min  0.5051
_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    2.067
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             2280
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.680
_refine_diff_density_min         -0.780
_refine_diff_density_rms         0.184
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.802
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     830
_refine_ls_number_reflns         16717
_refine_ls_number_restraints     414
_refine_ls_restrained_S_all      0.795
_refine_ls_R_factor_all          0.1605
_refine_ls_R_factor_gt           0.0591
_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^)+(0.0560P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1496
_refine_ls_wR_factor_ref         0.1614
_reflns_number_gt                5637
_reflns_number_total             16717
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0494049si20040506_045150_1.cif
_cod_data_source_block           nc10
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 
;
_cod_database_code               4311608