Variability of (ring centroid)‒Ln‒(ring centroid) angles in the mixed ligand C5Me5/C8H8 complexes (C5Me5)Ln(C8H8) and [(C5Me5)Yb(THF)](μ-η8∶η8-C8H8)[Yb(C5Me5)]
Evans, William J.; Johnston, Matthew A.; Clark, Robert D.; Ziller, Joseph W.; Journal of the Chemical Society, Dalton Transactions  (2000) 1609–; doi:10.1039/a908412f

data_7009057
_publ_section_title
;
 Variability of (ring centroid)--Ln--(ring centroid) angles in the
 mixed ligand C5Me5/C8H8 complexes (C5Me5)Ln(C8H8) and
 [(C5Me5)Yb(THF)](\m-\h8&#x2236;\h8-C8H8)[Yb(C5Me5)]
;
_journal_issue                   10
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              1609
_journal_paper_doi               10.1039/a908412f
_journal_year                    2000
_chemical_formula_sum            'C18 H23 Dy'
_chemical_formula_weight         401.86
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3676(13)
_cell_length_b                   12.9050(16)
_cell_length_c                   11.6964(15)
_cell_measurement_temperature    158
_cell_volume                     1564.9(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      158
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_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  0.0463
_diffrn_reflns_av_sigmaI/netI    0.0426
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9493
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         2.35
_exptl_absorpt_coefficient_mu    4.760
_exptl_absorpt_correction_T_max  0.3492
_exptl_absorpt_correction_T_min  0.2181
_exptl_absorpt_correction_type   Semi-empirical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.706
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             788
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.28
_refine_diff_density_max         1.160
_refine_diff_density_min         -1.595
_refine_diff_density_rms         0.357
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     90
_refine_ls_number_reflns         1962
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0362
_refine_ls_R_factor_gt           0.0277
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0539P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0769
_refine_ls_wR_factor_ref         0.0967
_reflns_number_gt                1591
_reflns_number_total             1962
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            a908412f.txt
_cod_data_source_block           maj21
_cod_original_cell_volume        1564.9
_cod_database_code               7009057