Reversible Sigma C-C Bond Formation Between Phenanthroline Ligands Activated by (C5Me5)2Yb.
Nocton, Grégory; Lukens, Wayne W.; Booth, Corwin H.; Rozenel, Sergio S.; Medling, Scott A.; Maron, Laurent; Andersen, Richard A.; Journal of the American Chemical Society 136 (2014) 8626–8641; doi:10.1021/ja502271q

data_4121975
_publ_section_title
;
 Reversible Sigma C-C Bond Formation Between Phenanthroline Ligands
 Activated by (C5Me5)2Yb.
;
_journal_issue                   24
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8626
_journal_page_last               8641
_journal_paper_doi               10.1021/ja502271q
_journal_volume                  136
_journal_year                    2014
_chemical_formula_moiety         'C34 H42 N2 Yb'
_chemical_formula_sum            'C34 H42 N2 Yb'
_chemical_formula_weight         651.74
_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                 90.228(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.0108(3)
_cell_length_b                   17.2862(6)
_cell_length_c                   18.5122(6)
_cell_measurement_reflns_used    9704
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.43
_cell_measurement_theta_min      2.50
_cell_volume                     2883.48(17)
_computing_cell_refinement       'Bruker APEX2 v. 2009.1'
_computing_data_collection       'Bruker APEX2 v. 2009.1'
_computing_data_reduction        'Bruker APEX2 v. 2009.1'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'QUAZAR multilayer mirrors'
_diffrn_radiation_source         'microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0202
_diffrn_reflns_av_sigmaI/netI    0.0135
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            42405
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.44
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    3.268
_exptl_absorpt_correction_T_max  0.877
_exptl_absorpt_correction_T_min  0.760
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.501
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1320
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.605
_refine_diff_density_min         -0.393
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         5333
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0239
_refine_ls_R_factor_gt           0.0205
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0155P)^2^+6.8041P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0463
_refine_ls_wR_factor_ref         0.0482
_reflns_number_gt                4871
_reflns_number_total             5333
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja502271q_si_002.cif
_cod_data_source_block           56Me2phen_sublimed
_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.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' 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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4121972--4121976.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4121975