Family of MnIII2Ln2(μ4-O) Compounds: Syntheses, Structures, and Magnetic Properties
Valeriu Mereacre; Yanhua Lan; Rodolphe Clérac; Ayuk M. Ako; Ian J. Hewitt; Wolfgang Wernsdorfer; Gernot Buth; Christopher E. Anson; Annie K. Powell; Inorganic Chemistry 49 (2010) 5293–5302; doi:10.1021/ic100373r

data_4315659
_publ_contact_author
; 
'Annie K. Powell'
;
_publ_contact_author_email       annie.powell@kit.edu
_publ_contact_author_phone       '+49 721 608 2135'
_publ_section_title
;
 Family of MnIII2Ln2(\m4-O) Compounds: Syntheses, Structures, and Magnetic
 Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5293
_journal_page_last               5302
_journal_paper_doi               10.1021/ic100373r
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C38 H50 Gd2 Mn2 N8 O21, C2 H3 N'
_chemical_formula_sum            'C40 H53 Gd2 Mn2 N9 O21'
_chemical_formula_weight         1420.29
_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            8
_cell_length_a                   15.7188(2)
_cell_length_b                   17.9802(3)
_cell_length_c                   36.8419(6)
_cell_measurement_reflns_used    11947
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.46
_cell_measurement_theta_min      3.21
_cell_volume                     10412.5(3)
_computing_cell_refinement       'CrysAlisPro (Oxford Diffraction, 2006)'
_computing_data_collection       'CrysAlisPro (Oxford Diffraction, 2006)'
_computing_data_reduction        'CrysAlisPro (Oxford Diffraction, 2006)'
_computing_molecular_graphics    'Diamond 2.1 (Crystal Impact, 1998)'
_computing_publication_material  'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_computing_structure_refinement  'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_computing_structure_solution    'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Oxford Xcalibur Gemini R'
_diffrn_measurement_method       \w-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  0.0521
_diffrn_reflns_av_sigmaI/netI    0.0771
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       46
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            42757
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.77
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    3.073
_exptl_absorpt_correction_T_max  0.831
_exptl_absorpt_correction_T_min  0.636
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSPACK (Oxford Diffraction, 2006)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.812
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             5616
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.06
_refine_diff_density_max         2.200
_refine_diff_density_min         -1.043
_refine_diff_density_rms         0.170
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     670
_refine_ls_number_reflns         10923
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0953
_refine_ls_R_factor_gt           0.0362
_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^)+(0.0374P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0686
_refine_ls_wR_factor_ref         0.0869
_reflns_number_gt                6485
_reflns_number_total             10923
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100373r_si_002_4.cif
_cod_data_source_block           mn2gd2
_cod_database_code               4315659