Neutral "Cp-Free" Silyl-Lanthanide(II) Complexes: Synthesis, Structure, and Bonding Analysis.
Zitz, Rainer; Hlina, Johann; Gatterer, Karl; Marschner, Christoph; Szilvási, Tibor; Baumgartner, Judith; Inorganic chemistry 54 (2015) 7065–7072; doi:10.1021/acs.inorgchem.5b01072

data_4343528
_publ_section_title
;
 Neutral &quot;Cp-Free&quot; Silyl-Lanthanide(II) Complexes: Synthesis,
 Structure, and Bonding Analysis.
;
_journal_issue                   14
_journal_name_full               'Inorganic chemistry'
_journal_page_first              7065
_journal_page_last               7072
_journal_paper_doi               10.1021/acs.inorgchem.5b01072
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'C36 H88 O5 Si8 Sm'
_chemical_formula_weight         976.13
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90.00
_cell_angle_beta                 94.41(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.236(2)
_cell_length_b                   21.938(4)
_cell_length_c                   19.872(4)
_cell_measurement_reflns_used    18870
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      52.524
_cell_measurement_theta_min      4.492
_cell_volume                     5318.5(17)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SMART APEX''
_diffrn_measurement_method       '\w 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  0.0374
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_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            41593
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.38
_exptl_absorpt_coefficient_mu    1.317
_exptl_absorpt_correction_T_max  0.7428
_exptl_absorpt_correction_T_min  0.6780
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             2072
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         1.239
_refine_diff_density_min         -0.647
_refine_diff_density_rms         '0.088 '
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     477
_refine_ls_number_reflns         10854
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0446
_refine_ls_R_factor_gt           0.0379
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0328P)^2^+7.1187P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0806
_refine_ls_wR_factor_ref         0.0831
_reflns_number_gt                9706
_reflns_number_total             10854
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5b01072_si_002.cif
_cod_data_source_block           2c_1015j
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4343526--4343531.cif.
;
_cod_original_cell_volume        5318.6(18)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4343528