Lanthanide Terminal Hydride Complexes Bearing Two Sterically Demanding C5Me4SiMe3Ligands. Synthesis, Structure, and Reactivity
Takenaka, Yasumasa; Hou, Zhaomin; Organometallics 28 (2009) 5196–; doi:10.1021/om900453j

data_4069855
_publ_section_title
;
 Lanthanide Terminal Hydride Complexes Bearing Two Sterically Demanding
 C5Me4SiMe3Ligands. Synthesis, Structure, and Reactivity
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              5196
_journal_paper_doi               10.1021/om900453j
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C28 H51 Dy O Si2'
_chemical_formula_weight         622.37
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                95.957(2)
_cell_angle_beta                 96.941(2)
_cell_angle_gamma                110.201(2)
_cell_formula_units_Z            2
_cell_length_a                   10.0451(12)
_cell_length_b                   10.2204(13)
_cell_length_c                   15.8218(19)
_cell_measurement_temperature    173(1)
_cell_volume                     1494.7(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      173(1)
_diffrn_measured_fraction_theta_full 0.929
_diffrn_measured_fraction_theta_max 0.929
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0248
_diffrn_reflns_av_sigmaI/netI    0.0646
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9187
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         2.15
_exptl_absorpt_coefficient_mu    2.597
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.64
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             642
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.563
_refine_diff_density_min         -0.830
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.978
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         6406
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.978
_refine_ls_R_factor_all          0.0474
_refine_ls_R_factor_gt           0.0361
_refine_ls_shift/su_max          0.044
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0298P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0722
_refine_ls_wR_factor_ref         0.0750
_reflns_number_gt                5429
_reflns_number_total             6406
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900453j_si_002.cif
_cod_data_source_block           Complex_2d
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4069855