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_4077707
_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            'C18 H37 B10 O2 Sm'
_chemical_formula_weight         543.93
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                   9.8703(8)
_cell_length_b                   14.3310(18)
_cell_length_c                   17.309(2)
_cell_measurement_temperature    296(2)
_cell_volume                     2448.4(5)
_computing_cell_refinement       'BIOTEX Rigaku'
_computing_data_collection       'RAXIS Rigaku'
_computing_data_reduction        'BIOTEX Rigaku'
_computing_molecular_graphics    'Seimens SHELXTL'
_computing_publication_material  'Seimens SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.875
_diffrn_measured_fraction_theta_max 0.875
_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  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0752
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            7021
_diffrn_reflns_theta_full        25.57
_diffrn_reflns_theta_max         25.57
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    2.412
_exptl_absorpt_correction_T_max  1.155
_exptl_absorpt_correction_T_min  0.893
_exptl_absorpt_correction_type   abscor
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.476
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1092
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.836
_refine_diff_density_min         -1.175
_refine_diff_density_rms         0.102
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_coef       0.00045(13)
_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   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         3843
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0709
_refine_ls_R_factor_gt           0.0606
_refine_ls_shift/su_max          0.059
_refine_ls_shift/su_mean         0.011
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0878P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1475
_refine_ls_wR_factor_ref         0.1540
_reflns_number_gt                3457
_reflns_number_total             3843
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om990941o.cif
_cod_data_source_block           compound_9
_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      P2(1)2(1)2(1)
_cod_database_code               4077707