Thorium Metallacycle Facilitates Catalytic Alkyne Hydrophosphination.
Garner, Mary E.; Parker, Bernard F.; Hohloch, Stephan; Bergman, Robert G.; Arnold, John; Journal of the American Chemical Society  (2017) –; doi:10.1021/jacs.7b08323

data_4126385
_publ_section_title
;
 Thorium Metallacycle Facilitates Catalytic Alkyne Hydrophosphination.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b08323
_journal_year                    2017
_chemical_formula_sum            'C71 H82 B2 N8 Th'
_chemical_formula_weight         1301.10
_chemical_name_common            mg080
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
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_cell_angle_beta                 95.961(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.7452(4)
_cell_length_b                   24.2338(8)
_cell_length_c                   23.3410(8)
_cell_measurement_reflns_used    9940
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      2.43
_cell_volume                     6607.6(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
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_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0934
_diffrn_reflns_av_unetI/netI     0.0639
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            90332
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.454
_diffrn_reflns_theta_min         1.215
_diffrn_source                   'microfocus sealed tube'
_exptl_absorpt_coefficient_mu    2.303
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6929
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.308
_exptl_crystal_description       block
_exptl_crystal_F_000             2656
_exptl_crystal_size_max          0.080
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.080
_refine_diff_density_max         1.858
_refine_diff_density_min         -0.572
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     753
_refine_ls_number_reflns         12172
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0643
_refine_ls_R_factor_gt           0.0418
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0363P)^2^+3.1191P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0838
_refine_ls_wR_factor_ref         0.0910
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9268
_reflns_number_total             12172
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b08323_si_002.cif
_cod_data_source_block           3
_cod_database_code               4126385
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.837
_shelx_estimated_absorpt_t_max   0.837