Synthesis, Structures, and Reactivity of Yttrium Alkyl and Alkynyl Complexes with Mixed TpMe2/Cp Ligands
Weiyin Yi; Jie Zhang; Meng Li; Zhenxia Chen; Xigeng Zhou; Inorganic Chemistry 50 (2011) 11813–11824; doi:10.1021/ic2019499

data_4326932
_publ_section_title
;
 Synthesis, Structures, and Reactivity of Yttrium Alkyl and Alkynyl
 Complexes with Mixed TpMe2/Cp Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11813
_journal_page_last               11824
_journal_paper_doi               10.1021/ic2019499
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C40 H56 B N8 Y'
_chemical_formula_weight         748.65
_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                76.941(6)
_cell_angle_beta                 75.218(6)
_cell_angle_gamma                66.994(5)
_cell_formula_units_Z            2
_cell_length_a                   10.710(5)
_cell_length_b                   10.896(5)
_cell_length_c                   19.137(8)
_cell_measurement_reflns_used    882
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.227
_cell_measurement_theta_min      2.550
_cell_volume                     1967.5(15)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0398
_diffrn_reflns_av_sigmaI/netI    0.0826
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            6898
_diffrn_reflns_theta_full        23.29
_diffrn_reflns_theta_max         23.29
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    1.520
_exptl_absorpt_correction_T_max  0.9278
_exptl_absorpt_correction_T_min  0.7024
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_description       needle
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.395
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.907
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     461
_refine_ls_number_reflns         5599
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.907
_refine_ls_R_factor_all          0.0686
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0411P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0800
_refine_ls_wR_factor_ref         0.0881
_reflns_number_gt                3920
_reflns_number_total             5599
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic2019499_si_002_04.cif
_cod_data_source_block           a00802b
_cod_original_cell_volume        1967.6(15)
_cod_database_code               4326932