Ferromagnetic and Antiferromagnetic Intermolecular Interactions in a New Family of Mn4 Complexes with an Energy Barrier to Magnetization Reversal
Colette Boskovic; Roland Bircher; Philip L. W. Tregenna-Piggott; Hans U. Güdel; Carley Paulsen; Wolfgang Wernsdorfer; Anne-Laure Barra; Eugene Khatsko; Antonia Neels; Helen Stoeckli-Evans; Journal of the American Chemical Society 125 (2003) 14046–14058; doi:10.1021/ja0367086

data_4114348
_publ_section_title
;
 Ferromagnetic and Antiferromagnetic Intermolecular Interactions in a New
 Family of Mn4 Complexes with an Energy Barrier to Magnetization Reversal
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14046
_journal_page_last               14058
_journal_paper_doi               10.1021/ja0367086
_journal_volume                  125
_journal_year                    2003
_chemical_formula_sum            'C36 H36 Cl4 Mn4 N4 O8'
_chemical_formula_weight         1014.25
_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                97.201(14)
_cell_angle_beta                 97.631(14)
_cell_angle_gamma                109.184(14)
_cell_formula_units_Z            2
_cell_length_a                   9.9592(12)
_cell_length_b                   12.7307(15)
_cell_length_c                   17.002(2)
_cell_measurement_reflns_used    6940
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      25.08
_cell_measurement_theta_min      2.15
_cell_volume                     1984.8(5)
_computing_cell_refinement       'CELL, Stoe & Cie Company, Germany'
_computing_data_collection       'EXPOSE, Stoe & Cie Company, Germany'
_computing_data_reduction        'INTEGRATE, Stoe & Cie Company, Germany'
_computing_molecular_graphics    'PLATON99 (Spek, 1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 0.81\%A
_diffrn_measured_fraction_theta_full 0.929
_diffrn_measured_fraction_theta_max 0.929
_diffrn_measurement_device_type  'IPDS, Stoe & Cie Company, Germany'
_diffrn_measurement_method       'phi oscillation'
_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  0.1482
_diffrn_reflns_av_sigmaI/netI    0.2008
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            14094
_diffrn_reflns_theta_full        25.88
_diffrn_reflns_theta_max         25.88
_diffrn_reflns_theta_min         2.20
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.569
_exptl_absorpt_correction_T_max  0.697
_exptl_absorpt_correction_T_min  0.236
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'PLATON99 (Spek, 1990)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.697
_exptl_crystal_density_meas      ?
_exptl_crystal_description       rod
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.775
_refine_diff_density_min         -0.985
_refine_diff_density_rms         0.185
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.893
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         7172
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.893
_refine_ls_R_factor_all          0.1358
_refine_ls_R_factor_gt           0.0844
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1193P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2106
_refine_ls_wR_factor_ref         0.2323
_reflns_number_gt                3764
_reflns_number_total             7172
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0367086si20030616_010306.cif
_cod_data_source_block           cpd1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1984.8(4)
_cod_database_code               4114348