Polyoxometalate-based {Mn(III)2}-Schiff base composite materials exhibiting single-molecule magnet behaviour.
Wu, Qiong; Li, Yang-Guang; Wang, Yong-Hui; Clérac, Rodolphe; Lu, Ying; Wang, En-Bo; Chemical communications (Cambridge, England) 34 (2009) 5743–5745; doi:10.1039/b909246c

data_7104771
_publ_section_title
;
 Polyoxometalate-based {Mn(III)2}-Schiff base composite materials
 exhibiting single-molecule magnet behaviour.
;
_journal_issue                   38
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5743
_journal_page_last               5745
_journal_paper_doi               10.1039/b909246c
_journal_volume                  34
_journal_year                    2009
_chemical_formula_moiety
;
2(C16H16N2O3Mn)+,Na+,(H6CrMo6O24)3-,20(H2O)
;
_chemical_formula_sum            'C32 H78 Cr Mn2 Mo6 N4 Na O50'
_chemical_formula_weight         2079.49
_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                105.47(3)
_cell_angle_beta                 98.24(3)
_cell_angle_gamma                109.18(3)
_cell_formula_units_Z            1
_cell_length_a                   10.896(2)
_cell_length_b                   11.223(2)
_cell_length_c                   15.417(3)
_cell_measurement_temperature    150(2)
_cell_volume                     1660.0(6)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 0.01
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID IP'
_diffrn_measurement_method       Oscillation
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotation anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0336
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12844
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.05
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.738
_exptl_absorpt_correction_T_max  0.6906
_exptl_absorpt_correction_T_min  0.6418
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR by T.Higashi 8 March, 1995'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.080
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1035
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.667
_refine_diff_density_min         -0.775
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     520
_refine_ls_number_reflns         5772
_refine_ls_number_restraints     63
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0333
_refine_ls_R_factor_gt           0.0266
_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^)+(0.0275P)^2^+2.8651P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0654
_refine_ls_wR_factor_ref         0.0681
_reflns_number_gt                5064
_reflns_number_total             5772
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b909246c.txt
_cod_data_source_block           2
_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_original_sg_symbol_H-M      P-1
_cod_database_code               7104771