Relaxations in heterolanthanide dinuclear single-molecule magnets
Ji-Dong Leng; Jun-Liang Liu; Yan-Zhen Zheng; Liviu Ungur; Liviu F. Chibotaru; Fu-Sheng Guo; Ming-Liang Tong; Chem.Commun. 49 (2013) 158–; doi:10.1039/c2cc37036k

data_7108718
_publ_section_title
;
 Relaxations in heterolanthanide dinuclear single-molecule magnets
;
_journal_name_full               Chem.Commun.
_journal_page_first              158
_journal_paper_doi               10.1039/c2cc37036k
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C16 H30 Cl4 N2 O7 Yb2'
_chemical_formula_weight         850.30
_chemical_name_systematic
;
?
;
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 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                 97.534(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.378(3)
_cell_length_b                   9.2501(16)
_cell_length_c                   8.8674(16)
_cell_measurement_temperature    123(2)
_cell_volume                     1250.5(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0184
_diffrn_reflns_av_sigmaI/netI    0.0217
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            3500
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.58
_exptl_absorpt_coefficient_mu    7.898
_exptl_absorpt_correction_T_max  0.5056
_exptl_absorpt_correction_T_min  0.2878
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    2.258
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.748
_refine_diff_density_min         -1.071
_refine_diff_density_rms         0.129
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     97
_refine_ls_number_reflns         1301
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0196
_refine_ls_R_factor_gt           0.0190
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0291P)^2^+2.2487P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0492
_refine_ls_wR_factor_ref         0.0495
_reflns_number_gt                1271
_reflns_number_total             1301
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc37036k.txt
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      C2/m
_cod_database_code               7108718