Heterobimetallic Zn(II)−Ln(III) Phenylene-Bridged Schiff Base Complexes, Computational Studies, and Evidence for Singlet Energy Transfer as the Main Pathway in the Sensitization of Near-Infrared Nd3+Luminescence
Lo, Wing-Kit; Wong, Wai-Kwok; Wong, Wai-Yeung; Guo, Jianping; Yeung, Kai-Tai; Cheng, Yuen-Kit; Yang, Xiaoping; Jones, Richard A.; Inorganic Chemistry 45 (2006) 9315–9325; doi:10.1021/ic0610177

data_4332886
_publ_section_title
;
 Heterobimetallic Zn(II)&#x2212;Ln(III) Phenylene-Bridged Schiff Base
 Complexes, Computational Studies, and Evidence for Singlet Energy
 Transfer as the Main Pathway in the Sensitization of Near-Infrared
 Nd3+Luminescence
;
_journal_issue                   23
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9315
_journal_page_last               9325
_journal_paper_doi               10.1021/ic0610177
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C22 H20 N2 O4'
_chemical_formula_weight         376.40
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 97.910(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.6523(8)
_cell_length_b                   16.879(2)
_cell_length_c                   17.184(2)
_cell_measurement_temperature    293(2)
_cell_volume                     1911.1(4)
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Smart 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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0439
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            10181
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6898
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.308
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.172
_refine_diff_density_min         -0.138
_refine_diff_density_rms         0.036
_refine_ls_extinction_coef       0.0070(12)
_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   0.926
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         3734
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.926
_refine_ls_R_factor_all          0.0882
_refine_ls_R_factor_gt           0.0393
_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^)+(0.0587P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0983
_refine_ls_wR_factor_ref         0.1165
_reflns_number_gt                2009
_reflns_number_total             3734
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0610177sup5.cif
_cod_data_source_block           p21c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4332886