Tetranuclear Clusters Containing a CrIII-Doped MnIII4O2 Core: Syntheses, Structures, and Magnetic Properties
Yun-Sheng Ma; Yi-Zhi Li; You Song; Li-Min Zheng; Inorganic Chemistry 47 (2008) 4536–4544; doi:10.1021/ic701626k

data_4304151
_publ_section_title
;
Tetranuclear Clusters Containing a CrIII-Doped MnIII4O2 Core: Syntheses,
Structures, and Magnetic Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4536
_journal_page_last               4544
_journal_paper_doi               10.1021/ic701626k
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety
'2(C42 H36 Cr Mn3 N6 O16 P2), 4(C H4 O), 4(H2 O), H2 O'
_chemical_formula_sum            'C88 H98 Cr2 Mn6 N12 O41 P4'
_chemical_formula_weight         2537.30
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 115.94(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   20.972(4)
_cell_length_b                   13.156(3)
_cell_length_c                   21.413(4)
_cell_measurement_temperature    293(2)
_cell_volume                     5313(2)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0346
_diffrn_reflns_av_sigmaI/netI    0.0523
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            27724
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    1.038
_exptl_absorpt_correction_T_max  0.775
_exptl_absorpt_correction_T_min  0.752
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS(Bruker, 2000)'
_exptl_crystal_density_diffrn    1.586
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2592
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.652
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     699
_refine_ls_number_reflns         10432
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0827
_refine_ls_R_factor_gt           0.0545
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+1.9900P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1106
_refine_ls_wR_factor_ref         0.1184
_reflns_number_gt                7966
_reflns_number_total             10432
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701626k-file004.cif
_cod_data_source_block           1
_cod_original_cell_volume        5312.7(18)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4304151