Tetra-, Penta-, and Hexanuclear Yttrium Hydride Clusters from Half-Sandwich Bis(aminobenzyl) Complexes Containing Various Cyclopentadienyl Ligands
Shima, Takanori; Nishiura, Masayoshi; Hou, Zhaomin; Organometallics 30 (2011) 2513–; doi:10.1021/om1012055

data_4064240
_publ_section_title
;
 Tetra-, Penta-, and Hexanuclear Yttrium Hydride Clusters from
 Half-Sandwich Bis(aminobenzyl) Complexes Containing Various
 Cyclopentadienyl Ligands
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2513
_journal_paper_doi               10.1021/om1012055
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C28 H39 N2 Y'
_chemical_formula_weight         492.52
_chemical_name_common            (C5Me5)Y(CH2C6H4NMe2)2
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
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_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 118.803(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.721(4)
_cell_length_b                   9.126(2)
_cell_length_c                   18.273(5)
_cell_measurement_reflns_used    12549
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.04
_cell_measurement_theta_min      2.23
_cell_volume                     2589.5(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1997)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0839
_diffrn_reflns_av_sigmaI/netI    0.1630
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12549
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.23
_exptl_absorpt_coefficient_mu    2.269
_exptl_absorpt_correction_T_max  0.8950
_exptl_absorpt_correction_T_min  0.3202
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.263
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.384
_refine_diff_density_min         -0.402
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.842
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4544
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.842
_refine_ls_R_factor_all          0.1116
_refine_ls_R_factor_gt           0.0452
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0568
_refine_ls_wR_factor_ref         0.0638
_reflns_number_gt                2256
_reflns_number_total             4544
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1012055_si_002.cif
_cod_data_source_block           1b
_cod_original_cell_volume        2589.4(11)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4064240