Gallyl lanthanide complexes containing unsupported Ln-Ga (Ln = Sm, Eu, Yb or Tm) bonds.
Jones, Cameron; Stasch, Andreas; Woodul, William D; Chemical communications (Cambridge, England) 34 (2008) 113–115; doi:10.1039/b817933f

data_7104113
_publ_section_title
;
 Gallyl lanthanide complexes containing unsupported Ln-Ga (Ln = Sm, Eu,
 Yb or Tm) bonds.
;
_journal_issue                   1
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              113
_journal_page_last               115
_journal_paper_doi               10.1039/b817933f
_journal_volume                  34
_journal_year                    2008
_chemical_formula_sum            'C64 H104 Ga2 N8 Yb'
_chemical_formula_weight         1298.03
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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                 95.47(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.866(4)
_cell_length_b                   14.060(3)
_cell_length_c                   21.602(4)
_cell_measurement_temperature    123(2)
_cell_volume                     6611(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0442
_diffrn_reflns_av_sigmaI/netI    0.0754
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            24357
_diffrn_reflns_theta_full        26.38
_diffrn_reflns_theta_max         26.38
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    2.254
_exptl_absorpt_correction_T_max  0.701
_exptl_absorpt_correction_T_min  0.601
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            red-orange
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2704
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         2.348
_refine_diff_density_min         -0.882
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.992
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     700
_refine_ls_number_reflns         13377
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.0880
_refine_ls_R_factor_gt           0.0459
_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^)+(0.0583P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1029
_refine_ls_wR_factor_ref         0.1171
_reflns_number_gt                8750
_reflns_number_total             13377
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b817933f.txt
_cod_data_source_block           c:\bono\temp\mon
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7104113