Thorium‒ligand multiple bonds via reductive deprotection of a trityl group
Smiles, Danil E.; Wu, Guang; Kaltsoyannis, Nikolas; Hayton, Trevor W.; Chem. Sci. 6 (2015) 3891–; doi:10.1039/C5SC01248A

data_1519391
_publ_section_title
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 Thorium--ligand multiple bonds via reductive deprotection of a trityl
 group
;
_journal_issue                   7
_journal_name_full               'Chem. Sci.'
_journal_page_first              3891
_journal_paper_doi               10.1039/C5SC01248A
_journal_volume                  6
_journal_year                    2015
_chemical_formula_sum            'C18 H54 Cl N3 Si6 Th'
_chemical_formula_weight         748.67
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           161
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'R 3 -2"c'
_symmetry_space_group_name_H-M   'R 3 c :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-04-02 deposited with the CCDC.
2015-04-30 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   18.4298(12)
_cell_length_b                   18.4298(12)
_cell_length_c                   16.8400(11)
_cell_measurement_temperature    100(2)
_cell_volume                     4953.5(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0485
_diffrn_reflns_av_sigmaI/netI    0.0388
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            20265
_diffrn_reflns_theta_full        30.64
_diffrn_reflns_theta_max         30.64
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    4.825
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.5441
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.506
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2244
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.531
_refine_diff_density_min         -0.634
_refine_diff_density_rms         0.068
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.002(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     94
_refine_ls_number_reflns         3383
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0213
_refine_ls_R_factor_gt           0.0176
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0417
_refine_ls_wR_factor_ref         0.0437
_reflns_number_gt                3095
_reflns_number_total             3383
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5sc01248a2.cif
_cod_data_source_block           complex_1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 1519391--1519397.cif.
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_cod_original_sg_symbol_H-M      R3c
_cod_database_code               1519391