Rare-Earth-Metal Mixed Hydride/Aryloxide Complexes Bearing Mono(cyclopentadienyl) Ligands. Synthesis, CO2Fixation, and Catalysis on Copolymerization of CO2with Cyclohexene Oxide
Cui, Dongmei; Nishiura, Masayoshi; Tardif, Olivier; Hou, Zhaomin; Organometallics 27 (2008) 2428–; doi:10.1021/om800170x

data_4071439
_publ_section_title
;
 Rare-Earth-Metal Mixed Hydride/Aryloxide Complexes Bearing
 Mono(cyclopentadienyl) Ligands. Synthesis, CO2Fixation, and Catalysis on
 Copolymerization of CO2with Cyclohexene Oxide
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2428
_journal_paper_doi               10.1021/om800170x
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C54 H90 Dy2 O2 Si2'
_chemical_formula_weight         1152.44
_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                 91.110(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.2110(17)
_cell_length_b                   10.2343(13)
_cell_length_c                   20.566(3)
_cell_measurement_temperature    193(1)
_cell_volume                     2780.1(6)
_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      193(1)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0207
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            14808
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    2.745
_exptl_absorpt_correction_T_max  0.43
_exptl_absorpt_correction_T_min  0.36
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.377
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1180
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.716
_refine_diff_density_min         -0.564
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         5422
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0303
_refine_ls_R_factor_gt           0.0233
_refine_ls_shift/su_max          0.018
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0589
_refine_ls_wR_factor_ref         0.0614
_reflns_number_gt                4671
_reflns_number_total             5422
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800170x-file006.cif
_cod_data_source_block           312cui5
_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 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4071439