One dimensional energy transfer in lanthanoid picolinates. Correlation of structure and spectroscopy
Sendor, Dorota; Hilder, Matthias; Juestel, Thomas; Junk, Peter C.; Kynast, Ulrich H.; New Journal of Chemistry 27 (2003) 1070–; doi:10.1039/b302499g

data_7050581
_publ_section_title
;
 One dimensional energy transfer in lanthanoid picolinates. Correlation
 of structure and spectroscopy
;
_journal_issue                   7
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1070
_journal_paper_doi               10.1039/b302499g
_journal_volume                  27
_journal_year                    2003
_chemical_formula_sum            'C48 H38 Eu2 N8 Na2 O19'
_chemical_formula_weight         1380.76
_chemical_name_common            picolinates
_space_group_IT_number           179
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 65 2 (0 0 1)'
_symmetry_space_group_name_H-M   'P 65 2 2'
_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                120.00
_cell_formula_units_Z            6
_cell_length_a                   12.6063(6)
_cell_length_b                   12.6063(6)
_cell_length_c                   60.457(4)
_cell_measurement_temperature    296(2)
_cell_volume                     8320.6(8)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'X-Seed (Barbour, 1999)'
_computing_publication_material  'CIFTAB (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_diffrn_measurement_method       'omega scans'
_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  0.2096
_diffrn_reflns_av_sigmaI/netI    0.0785
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       67
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            38011
_diffrn_reflns_theta_full        23.30
_diffrn_reflns_theta_max         23.30
_diffrn_reflns_theta_min         1.87
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    2.335
_exptl_absorpt_correction_T_max  0.5819
_exptl_absorpt_correction_T_min  0.5409
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.653
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             4092
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.26
_refine_diff_density_max         1.275
_refine_diff_density_min         -0.945
_refine_diff_density_rms         0.197
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.06(5)
_refine_ls_extinction_coef       0.0024(3)
_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   1.308
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     358
_refine_ls_number_reflns         3987
_refine_ls_number_restraints     168
_refine_ls_restrained_S_all      1.287
_refine_ls_R_factor_all          0.0791
_refine_ls_R_factor_gt           0.0787
_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^)+(0.0311P)^2^+162.1039P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1992
_refine_ls_wR_factor_ref         0.1993
_reflns_number_gt                3975
_reflns_number_total             3987
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b302499g.txt
_cod_data_source_block           compound1.CIF
_cod_original_sg_symbol_H-M      P6522
_cod_database_code               7050581