Synthesis, Structure, and Reactivity of Organolanthanide Carboranyl Compounds and Lanthanacarboranes Derived from a Versatile Ligand, Me2C(C5H5)(C2B10H11)
Chui, Kwoli; Yang, Qingchuan; Mak, Thomas C. W.; Xie, Zuowei; Organometallics 19 (2000) 1391–; doi:10.1021/om990941o

data_4077706
_publ_section_title
;
 Synthesis, Structure, and Reactivity of Organolanthanide Carboranyl
 Compounds and Lanthanacarboranes Derived from a Versatile Ligand,
 Me2C(C5H5)(C2B10H11)
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1391
_journal_paper_doi               10.1021/om990941o
_journal_volume                  19
_journal_year                    2000
_chemical_formula_sum            'C28 H58 B20 O2 Yb'
_chemical_formula_weight         815.98
_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                100.73(2)
_cell_angle_beta                 99.060(10)
_cell_angle_gamma                104.76(2)
_cell_formula_units_Z            4
_cell_length_a                   13.565(3)
_cell_length_b                   13.608(6)
_cell_length_c                   23.802(6)
_cell_measurement_temperature    294(2)
_cell_volume                     4076(2)
_computing_cell_refinement       'BIOTEX Rigaku'
_computing_data_collection       'RAXIS Rigaku'
_computing_data_reduction        'BIOTEX Rigaku'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'Siemens SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.592
_diffrn_measured_fraction_theta_max 0.592
_diffrn_measurement_device_type  'IP Rigaku'
_diffrn_measurement_method       IP
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotation anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0658
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            8500
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    2.321
_exptl_absorpt_correction_T_max  1.394
_exptl_absorpt_correction_T_min  0.338
_exptl_absorpt_correction_type   abscor
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.330
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1648
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.188
_refine_diff_density_min         -1.599
_refine_diff_density_rms         0.126
_refine_ls_extinction_coef       0.0000(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     920
_refine_ls_number_reflns         8500
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0923
_refine_ls_R_factor_gt           0.0839
_refine_ls_shift/su_max          0.485
_refine_ls_shift/su_mean         0.026
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1686P)^2^+5.7164P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2341
_refine_ls_wR_factor_ref         0.2472
_reflns_number_gt                7361
_reflns_number_total             8500
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om990941o.cif
_cod_data_source_block           compound_8
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4077706