A Base-Free Terminal Actinide Phosphinidene Metallocene: Synthesis, Structure, Reactivity, and Computational Studies.
Zhang, Congcong; Hou, Guohua; Zi, Guofu; Ding, Wanjian; Walter, Marc D.; Journal of the American Chemical Society 140 (2018) 14511–14525; doi:10.1021/jacs.8b09746

data_4133365
_publ_section_title
;
 A Base-Free Terminal Actinide Phosphinidene Metallocene: Synthesis,
 Structure, Reactivity, and Computational Studies.
;
_journal_issue                   43
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14511
_journal_page_last               14525
_journal_paper_doi               10.1021/jacs.8b09746
_journal_volume                  140
_journal_year                    2018
_chemical_formula_moiety         'C50 H74 N2 Th'
_chemical_formula_sum            'C50 H74 N2 Th'
_chemical_formula_weight         935.15
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                100.631(15)
_cell_angle_beta                 90.727(14)
_cell_angle_gamma                115.770(13)
_cell_formula_units_Z            2
_cell_length_a                   10.625(8)
_cell_length_b                   12.002(10)
_cell_length_c                   20.851(17)
_cell_measurement_reflns_used    3680
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.48
_cell_measurement_theta_min      2.27
_cell_volume                     2340(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-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0376
_diffrn_reflns_av_unetI/netI     0.0812
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
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_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -23
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_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.671
_diffrn_reflns_theta_min         1.928
_exptl_absorpt_coefficient_mu    3.218
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.66
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_description       block
_exptl_crystal_F_000             956
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.150
_refine_diff_density_max         1.251
_refine_diff_density_min         -1.527
_refine_diff_density_rms         0.168
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     498
_refine_ls_number_reflns         10726
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0749
_refine_ls_R_factor_gt           0.0470
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0504P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1023
_refine_ls_wR_factor_ref         0.1183
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7713
_reflns_number_total             10726
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b09746_si_002.cif
_cod_data_source_block           compound19
_cod_database_code               4133365
_shelx_estimated_absorpt_t_min   0.565
_shelx_estimated_absorpt_t_max   0.644
_shelxl_version_number           2014-3
_shelx_res_checksum              13267
_shelx_hkl_checksum              20385
_shelx_fab_checksum              64389