Base-Free Lanthanoidocenes(II) Coordinated by Bulky Pentabenzylcyclopentadienyl Ligands
Selikhov, Alexander N.; Mahrova, Tatyana V.; Cherkasov, Anton V.; Fukin, Georgy K.; Larionova, Joulia; Long, Jêrome; Trifonov, Alexander A.; Organometallics 34 (2015) 1991–; doi:10.1021/acs.organomet.5b00243

data_4085770
_publ_section_title
;
 Base-Free Lanthanoidocenes(II) Coordinated by Bulky
 Pentabenzylcyclopentadienyl Ligands
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              1991
_journal_paper_doi               10.1021/acs.organomet.5b00243
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C80 H70 Yb'
_chemical_formula_weight         1204.40
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 108.3420(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.8920(4)
_cell_length_b                   22.8443(6)
_cell_length_c                   17.9543(5)
_cell_measurement_reflns_used    950
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      2
_cell_volume                     5797.7(3)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.0257
_diffrn_reflns_av_sigmaI/netI    0.0304
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            40540
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    1.660
_exptl_absorpt_correction_T_max  0.7324
_exptl_absorpt_correction_T_min  0.7324
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1998)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.380
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2480
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.012
_refine_diff_density_min         -0.462
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     730
_refine_ls_number_reflns         13974
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0371
_refine_ls_R_factor_gt           0.0263
_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^)+(0.0355P)^2^+0.9344P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0598
_refine_ls_wR_factor_ref         0.0626
_reflns_number_gt                11622
_reflns_number_total             13974
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b00243_si_002.cif
_cod_data_source_block           ybcpbnm
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4085770--4085776.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4085770