Rational Synthesis and Magnetic Properties of a Family of Low-Dimensional Heterometallic Cr-Mn Complexes Based on the Versatile Building Block [Cr(2,2'-bipyridine)(CN)4]-
Yuan-Zhu Zhang; Song Gao; Zhe-Ming Wang; Gang Su; Hao-Ling Sun; Feng Pan; Inorganic Chemistry 44 (2005) 4534–4545; doi:10.1021/ic0484194

data_4309053
_publ_contact_author_address
;
State Key Lab of Rare Earth Materials Chemistry and Applications &
PKU-HKU Joint Lab on Rare Earth Materials and Bioinorganic Chemistry,
College of Chemistry and Molecular Engineering,
Peking University,
Beijing 100871,
China
;
_publ_contact_author_email       gaosong@pku.edu.cn
_publ_contact_author_fax         86-(10)-62751708
_publ_contact_author_name        'Prof. Song Gao'
_publ_contact_author_phone       86-(10)-62756320
_publ_section_title
;
Rational Synthesis and Magnetic Properties of a Family of Low-Dimensional
Heterometallic Cr-Mn Complexes Based on the Versatile Building Block
[Cr(2,2'-bipyridine)(CN)4]-
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4534
_journal_page_last               4545
_journal_paper_doi               10.1021/ic0484194
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C26 H20 Cr Mn N11 O2'
_chemical_formula_weight         625.47
_chemical_name_common            CrMn-dca
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 109.4386(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.8628(4)
_cell_length_b                   7.9593(2)
_cell_length_c                   22.5123(8)
_cell_measurement_reflns_used    33307
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.395
_cell_volume                     2849.28(14)
_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, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0.76
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'NONIUS KappaCCD'
_diffrn_measurement_method       CCD
_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  0.1149
_diffrn_reflns_av_sigmaI/netI    0.1331
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            42532
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.52
_exptl_absorpt_coefficient_mu    0.869
_exptl_absorpt_correction_T_max  0.959
_exptl_absorpt_correction_T_min  0.816
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(Blessing, 1995, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.458
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.331
_refine_diff_density_min         -0.533
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.914
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     383
_refine_ls_number_reflns         6513
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.915
_refine_ls_R_factor_all          0.1489
_refine_ls_R_factor_gt           0.0463
_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^)+(0.0476P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1058
_refine_ls_wR_factor_ref         0.1210
_reflns_number_gt                2639
_reflns_number_total             6513
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0484194si20041117_040813_5.cif
_cod_data_source_block           4
_cod_database_code               4309053