Europium bis(dimethylsilyl)amides including mixed-valent Eu3[N(SiHMe2)2]6[μ-N(SiHMe2)2]2.
Bienfait, André M; Schädle, Christoph; Maichle-Mössmer, Cäcilia; Törnroos, Karl W; Anwander, Reiner; Dalton transactions (Cambridge, England : 2003) 43 (2014) 17324–17332; doi:10.1039/c4dt02411g

data_7032545
_publ_section_title
;
 Europium bis(dimethylsilyl)amides including mixed-valent
 Eu3[N(SiHMe2)2]6[\m-N(SiHMe2)2]2.
;
_journal_issue                   46
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              17324
_journal_page_last               17332
_journal_paper_doi               10.1039/c4dt02411g
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C16 H56 Eu N4 Si8, K'
_chemical_formula_sum            'C16 H56 Eu K N4 Si8'
_chemical_formula_weight         720.42
_chemical_name_common            ab141
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 106.222(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.5944(16)
_cell_length_b                   11.0176(7)
_cell_length_c                   18.0581(16)
_cell_measurement_reflns_used    12691
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      59.36
_cell_measurement_theta_min      5.96
_cell_volume                     3743.2(5)
_computing_cell_refinement       X-AREA
_computing_data_collection       X-AREA
_computing_data_reduction        X-AREA
_computing_molecular_graphics    'ORTEP3, POV-RAY'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'STOE IPDS II'
_diffrn_measurement_method       omega-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1316
_diffrn_reflns_av_unetI/netI     0.0548
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23798
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.346
_diffrn_reflns_theta_min         4.183
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    2.055
_exptl_absorpt_correction_T_max  1.4465
_exptl_absorpt_correction_T_min  0.4337
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   mulabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_description       needle
_exptl_crystal_F_000             1496
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.200
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_refine_diff_density_min         -1.567
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.104
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     150
_refine_ls_number_reflns         3418
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0343
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0199P)^2^+12.4261P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0795
_refine_ls_wR_factor_ref         0.0811
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3200
_reflns_number_total             3418
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4dt02411g1.cif
_cod_data_source_block           Compound4
_cod_depositor_comments
'Adding full bibliography for 7032542--7032546.cif.'
_cod_database_code               7032545
_shelx_estimated_absorpt_t_min   0.494
_shelx_estimated_absorpt_t_max   0.684
_shelxl_version_number           2013-3
_shelx_res_checksum              12675