Synthesis, Structure, and Magnetic Properties of a [Mn22] Wheel-like Single-Molecule Magnet
Muralee Murugesu; James Raftery; Wolfgang Wernsdorfer; George Christou; Euan K. Brechin; Inorganic Chemistry 43 (2004) 4203–4209; doi:10.1021/ic049620h

data_4311251
_publ_contact_author_address
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Department of Chemistry 
University of Manchester 
Manchester M13 9PL 
England  UK 
;
_publ_contact_author_email       jrtest@spec.ch.man.ac.uk
_publ_contact_author_fax         44(161)275-4734
_publ_contact_author_name        'Raftery, James'
_publ_contact_author_phone       44(161)275-4700
_publ_section_title
;
 Synthesis, Structure, and Magnetic Properties of a [Mn22] Wheel-like
 Single-Molecule Magnet
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4203
_journal_page_last               4209
_journal_paper_doi               10.1021/ic049620h
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C102 H192 Mn22 N4 O78'
_chemical_formula_weight         3931.28
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.229(13)
_cell_length_b                   20.655(10)
_cell_length_c                   33.560(16)
_cell_measurement_reflns_used    4381
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      18.0795
_cell_measurement_theta_min      2.212
_cell_volume                     17488(15)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.936
_diffrn_measured_fraction_theta_max 0.936
_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  0.2219
_diffrn_reflns_av_sigmaI/netI    0.3104
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            106948
_diffrn_reflns_theta_full        28.78
_diffrn_reflns_theta_max         28.78
_diffrn_reflns_theta_min         1.21
_exptl_absorpt_coefficient_mu    1.609
_exptl_absorpt_correction_T_max  0.9096
_exptl_absorpt_correction_T_min  0.5313
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.493
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             8024
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.06
_refine_diff_density_max         2.361
_refine_diff_density_min         -0.686
_refine_diff_density_rms         0.212
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.947
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     949
_refine_ls_number_reflns         21304
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.947
_refine_ls_R_factor_all          0.2461
_refine_ls_R_factor_gt           0.0819
_refine_ls_shift/su_max          0.026
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0991P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2312
_refine_ls_wR_factor_ref         0.2747
_reflns_number_gt                6295
_reflns_number_total             21304
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic049620hsi20040322_042821.cif
_cod_data_source_block           s1718n
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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               4311251