Modification of the luminescence spectra of chloro(tetrapyridylcyclotetramine)europium complexes by fine tuning of the Eu-Cl distance with outer-sphere counterions in the solid state, in a polymer matrix and in solution.
Wada, Atsushi; Watanabe, Masayuki; Yamanoi, Yoshinori; Nishihara, Hiroshi; Chemical communications (Cambridge, England)  (2008) 1671–1673; doi:10.1039/b716987f

data_7103030
_publ_section_title
;
 Modification of the luminescence spectra of
 chloro(tetrapyridylcyclotetramine)europium complexes by fine tuning of
 the Eu-Cl distance with outer-sphere counterions in the solid state,
 in a polymer matrix and in solution.
;
_journal_issue                   14
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1671
_journal_page_last               1673
_journal_paper_doi               10.1039/b716987f
_journal_year                    2008
_chemical_absolute_configuration unk
_chemical_formula_sum            'C34 H40 Cl Eu F6 N8 O6 S2'
_chemical_formula_weight         1022.27
_space_group_IT_number           18
_symmetry_space_group_name_Hall  'P 2bc 2'
_symmetry_space_group_name_H-M   'P 2 21 21'
_audit_creation_date             2006-07-31T20:21:01-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.346(2)
_cell_length_b                   11.116(3)
_cell_length_c                   21.206(5)
_cell_measurement_temperature    113(2)
_cell_volume                     1967.2(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0356
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            15578
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    1.852
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.726
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1028
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         4.353
_refine_diff_density_min         -0.977
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.53(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         4455
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_gt           0.0547
_refine_ls_shift/su_max          0.467
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0581P)^2^+14.5198P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1361
_reflns_number_gt                4302
_reflns_number_total             4455
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b716987f.txt
_cod_data_source_block           11
_cod_database_code               7103030