Supramolecular Engineering of a 2D Kagomé Lattice: Synthesis, Structures, and Magnetic Properties
Yan-Feng Yue; Jue Liang; En-Qing Gao; Chen-Jie Fang; Zheng-Guang Yan; Chun-Hua Yan; Inorganic Chemistry 47 (2008) 6115–6117; doi:10.1021/ic800497n

data_4305498
_publ_contact_author_address
;
Beijing National Laboratory for Molecular Sciences, 
State Key Lab of Rare Earth Materials Chemistry and Applications & 
PKU-HKU Joint Lab on Rare Earth Materials and Bioinorganic Chemistry, 
Peking University, 
Beijing 100871, 
China
;
_publ_contact_author_email       yan@pku.edu.cn
_publ_contact_author_fax         86-(10)-62754179
_publ_contact_author_name        'Prof. Chun-Hua Yan'
_publ_contact_author_phone       86-(10)-62754179
_publ_section_title
;
Supramolecular Engineering of a 2D Kagom\'e Lattice: Synthesis, Structures,
and Magnetic Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6115
_journal_page_last               6117
_journal_paper_doi               10.1021/ic800497n
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C38 H32 Mn3 N12 O12'
_chemical_formula_weight         1013.58
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                   19.2126(3)
_cell_length_b                   9.9381(2)
_cell_length_c                   21.4194(4)
_cell_measurement_reflns_used    37549
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.395
_cell_volume                     4089.75(13)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD (Nonius B. V., 1998)'
_computing_data_reduction
'HKL Denzo (Otwinowski & Minor, 1997) & maXus (Mackay et al., 1998)'
_computing_molecular_graphics    'Bruker SHELXTL V5.1 (Sheldrick, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_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  0.0971
_diffrn_reflns_av_sigmaI/netI    0.1043
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            45545
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.51
_exptl_absorpt_coefficient_mu    0.992
_exptl_absorpt_correction_T_max  0.865
_exptl_absorpt_correction_T_min  0.736
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(Blessing, 1995, 1997)'
_exptl_crystal_colour            'Light yellow'
_exptl_crystal_density_diffrn    1.646
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2060
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.298
_refine_diff_density_min         -0.300
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.251(16)
_refine_ls_extinction_coef       0.00049(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.878
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     608
_refine_ls_number_reflns         8769
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.878
_refine_ls_R_factor_all          0.0975
_refine_ls_R_factor_gt           0.0385
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0286P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0662
_refine_ls_wR_factor_ref         0.0743
_reflns_number_gt                5099
_reflns_number_total             8769
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic800497n-file004_1.cif
_cod_data_source_block           2
_cod_database_code               4305498