Synthesis and Characterization of Rare Earth Siloxide Complexes, M[OSi(OtBu)3]3(L)x where L is HOSi(OtBu)3 and x = 0 or 1
Lapadula, Giuseppe; Conley, Matthew P.; Copéret, Christophe; Andersen, Richard A.; Organometallics 34 (2014) 2271–; doi:10.1021/om501047g

data_4089701
_publ_section_title
;
 Synthesis and Characterization of Rare Earth Siloxide Complexes,
 M[OSi(OtBu)3]3(L)x where L is HOSi(OtBu)3 and x = 0 or 1
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2271
_journal_paper_doi               10.1021/om501047g
_journal_volume                  34
_journal_year                    2014
_chemical_formula_moiety         'C48 H109 O16 Si4 Y, C H2 Cl2'
_chemical_formula_sum            'C49 H111 Cl2 O16 Si4 Y'
_chemical_formula_weight         1228.55
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2013-09-26
_audit_creation_method
;
  Olex2 1.1
  (compiled Nov  1 2011 20:42:30, GUI svn.r3906)
;
_cell_angle_alpha                75.2984(15)
_cell_angle_beta                 80.5562(15)
_cell_angle_gamma                60.6775(14)
_cell_formula_units_Z            2
_cell_length_a                   13.7665(14)
_cell_length_b                   13.8428(14)
_cell_length_c                   21.580(2)
_cell_measurement_reflns_used    9848
_cell_measurement_temperature    100
_cell_measurement_theta_max      30.438
_cell_measurement_theta_min      2.212
_cell_volume                     3464.3(6)
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'MO K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0271
_diffrn_reflns_av_unetI/netI     0.0360
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            53160
_diffrn_reflns_theta_full        30.59
_diffrn_reflns_theta_max         30.59
_diffrn_reflns_theta_min         0.98
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.042
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6491
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
R(int) was 0.0544 before and 0.0369 after correction.
The Ratio of minimum to maximum transmission is 0.8700.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.178
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1324
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.762
_refine_diff_density_min         -0.590
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.986
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     716
_refine_ls_number_reflns         20363
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.988
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0532P)^2^+1.1158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0898
_refine_ls_wR_factor_ref         0.0947
_reflns_number_gt                17283
_reflns_number_total             20363
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om501047g_si_001.cif
_cod_data_source_block           gl2972_0m
_cod_database_code               4089701