Anion-Induced Self-Assembly of Luminescent and Magnetic Homoleptic Cyclic Tetranuclear Ln4(Salen)4 and Ln4(Salen)2 Complexes (Ln = Nd, Yb, Er, or Gd)
Weixu Feng; Yao Zhang; Zhao Zhang; Xingqiang Lü; Han Liu; Guoxiang Shi; Dan Zou; Jirong Song; Daidi Fan; Wai-Kwok Wong; Richard A. Jones; Inorganic Chemistry 51 (2012) 11377–11386; doi:10.1021/ic300918c

data_4330795
_publ_contact_author_address
;
Shaanxi Key Engineering Center of Bio-materials
Shaanxi Key Laboratory of Physico-inorganic Chemistry
Northwest University
Xi'an 
710069
China
;
_publ_contact_author_email       lvxq@nwu.edu.cn
_publ_contact_author_name        'Xingqiang Lu'
_publ_section_title
;
 Anion-Induced Self-Assembly of Luminescent and Magnetic Homoleptic Cyclic
 Tetranuclear Ln4(Salen)4 and Ln4(Salen)2 Complexes (Ln = Nd, Yb, Er, or
 Gd)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11377
_journal_page_last               11386
_journal_paper_doi               10.1021/ic300918c
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C56 H68 N4 O22 Yb4'
_chemical_formula_weight         1841.30
_chemical_name_systematic
; 
 ? 
;
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_cell_angle_gamma                95.173(3)
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_cell_length_a                   11.833(2)
_cell_length_b                   12.133(2)
_cell_length_c                   12.696(3)
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_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.07
_cell_measurement_theta_min      2.45
_cell_volume                     1755.1(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_diffrn_measurement_device_type  'Bruker Smart CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
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_exptl_crystal_colour            yellow
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_exptl_crystal_description       block
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.24
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_refine_diff_density_min         -2.250
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_refine_ls_extinction_coef       0.0124(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         6734
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_refine_ls_R_factor_all          0.1224
_refine_ls_R_factor_gt           0.0766
_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^)+(0.1504P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2116
_refine_ls_wR_factor_ref         0.2523
_reflns_number_gt                4207
_reflns_number_total             6734
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300918c_si_002_3.cif
_cod_data_source_block           6
_cod_original_cell_volume        1755.2(6)
_cod_database_code               4330795