Heterometallic europium disiloxanediolates: synthesis, structural diversity, and photoluminescence properties.
Rausch, Janek; Lorenz, Volker; Hrib, Cristian G.; Frettlöh, Vanessa; Adlung, Matthias; Wickleder, Claudia; Hilfert, Liane; Jones, Peter G.; Edelmann, Frank T.; Inorganic chemistry 53 (2014) 11662–11674; doi:10.1021/ic501837x

data_4341324
_publ_section_title
;
 Heterometallic europium disiloxanediolates: synthesis, structural
 diversity, and photoluminescence properties.
;
_journal_issue                   21
_journal_name_full               'Inorganic chemistry'
_journal_page_first              11662
_journal_page_last               11674
_journal_paper_doi               10.1021/ic501837x
_journal_volume                  53
_journal_year                    2014
_chemical_formula_sum            'C84 H91 Eu Li3 O15 Si6'
_chemical_formula_weight         1681.89
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 94.64(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.538(3)
_cell_length_b                   22.675(5)
_cell_length_c                   24.963(5)
_cell_measurement_reflns_used    54102
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      29.71
_cell_measurement_theta_min      1.79
_cell_volume                     8202(3)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'Bruker SHELXTL v4.5'
_computing_publication_material  'Bruker SHELXTL v4.5'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_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  0.0540
_diffrn_reflns_av_sigmaI/netI    0.0409
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            68526
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.916
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.362
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3484
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.33
_refine_diff_density_max         0.834
_refine_diff_density_min         -1.338
_refine_diff_density_rms         0.068
_refine_ls_extinction_coef       0.00268(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   0.981
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1051
_refine_ls_number_reflns         16753
_refine_ls_number_restraints     137
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.0506
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0526P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0819
_refine_ls_wR_factor_ref         0.0867
_reflns_number_gt                12718
_reflns_number_total             16753
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic501837x_si_002.cif
_cod_data_source_block           ip290
_cod_depositor_comments
'Adding full bibliography for 4341323--4341328.cif.'
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4341324