An Actinide Metallacyclopropene Complex: Synthesis, Structure, Reactivity, and Computational Studies.
Fang, Bo; Ren, Wenshan; Hou, Guohua; Zi, Guofu; Fang, De-Cai; Maron, Laurent; Walter, Marc D.; Journal of the American Chemical Society  (2014) 141202122629003–; doi:10.1021/ja509770t

data_4123072
_publ_section_title
;
 An Actinide Metallacyclopropene Complex: Synthesis, Structure,
 Reactivity, and Computational Studies.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              141202122629003
_journal_paper_doi               10.1021/ja509770t
_journal_year                    2014
_chemical_formula_moiety         'C51 H77 N Si Th'
_chemical_formula_sum            'C51 H77 N Si Th'
_chemical_formula_weight         964.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.8140(10)
_cell_angle_beta                 75.328(2)
_cell_angle_gamma                67.6540(10)
_cell_formula_units_Z            2
_cell_length_a                   11.3317(9)
_cell_length_b                   12.9233(11)
_cell_length_c                   18.2014(16)
_cell_measurement_reflns_used    7281
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      2.22
_cell_volume                     2358.9(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0259
_diffrn_reflns_av_sigmaI/netI    0.0511
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            15932
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    3.219
_exptl_absorpt_correction_T_max  0.6269
_exptl_absorpt_correction_T_min  0.4452
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.358
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             988
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.224
_refine_diff_density_min         -0.788
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     507
_refine_ls_number_reflns         10791
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0346
_refine_ls_R_factor_gt           0.0280
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0257P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0593
_refine_ls_wR_factor_ref         0.0617
_reflns_number_gt                9629
_reflns_number_total             10791
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja509770t_si_002.cif
_cod_data_source_block           compound11
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/saulius/struct/COD-crude-data--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
/home/saulius/struct/COD-crude-data--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 2935 2014-11-11 08:27:57Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4123072