Synthesis, Reactivity, and Structure of Mixed-Ligand Ytterbium Complexes Supported by β-Diketiminate
Yao, Yingming; Zhang, Yong; Shen, Qi; Yu, Kaibei; Organometallics 21 (2002) 819–; doi:10.1021/om010803a

data_4076644
_publ_section_title
;
 Synthesis, Reactivity, and Structure of Mixed-Ligand Ytterbium Complexes
 Supported by \b-Diketiminate
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              819
_journal_paper_doi               10.1021/om010803a
_journal_volume                  21
_journal_year                    2002
_chemical_formula_sum            'C35 H48 Cl N2 Yb'
_chemical_formula_weight         705.24
_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                 106.050(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.422(2)
_cell_length_b                   26.247(5)
_cell_length_c                   12.653(2)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      15.84
_cell_measurement_theta_min      2.57
_cell_volume                     3326.3(11)
_computing_cell_refinement       'Siemems XSCANS'
_computing_data_collection       'Siemens XSCANS'
_computing_data_reduction        'Siemens SHELXTL'
_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      297(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0350
_diffrn_reflns_av_sigmaI/netI    0.0662
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6579
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.18
_diffrn_standards_decay_%        6.57
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.916
_exptl_absorpt_correction_T_max  0.4372
_exptl_absorpt_correction_T_min  0.3124
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.408
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1436
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.617
_refine_diff_density_min         -0.397
_refine_diff_density_rms         0.078
_refine_ls_extinction_coef       0.00020(5)
_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   0.841
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         5846
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.841
_refine_ls_R_factor_all          0.0592
_refine_ls_R_factor_gt           0.0316
_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^)+(0.0254P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0571
_refine_ls_wR_factor_ref         0.0611
_reflns_number_gt                3902
_reflns_number_total             5846
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om010803a.cif
_cod_data_source_block           complex3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'constra' was replaced with the
value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_cell_volume        3326.3(10)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4076644