Tebbe-like and Phosphonioalkylidene and -alkylidyne Complexes of Scandium.
Zatsepin, Pavel; Lee, Eunji; Gu, Jun; Gau, Michael R.; Carroll, Patrick J.; Baik, Mu-Hyun; Mindiola, Daniel J.; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.0c02742

data_4135022
_publ_section_title
;
 Tebbe-like and Phosphonioalkylidene and -alkylidyne Complexes of
 Scandium.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c02742
_journal_year                    2020
_chemical_formula_moiety         'C36 H67 Al N P2 Sc Si2'
_chemical_formula_sum            'C36 H67 Al N P2 Sc Si2'
_chemical_formula_weight         703.96
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2019-02-21
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 100.030(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.9520(6)
_cell_length_b                   14.0978(8)
_cell_length_c                   27.7873(15)
_cell_measurement_reflns_used    9900
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.537
_cell_measurement_theta_min      2.975
_cell_volume                     4224.8(4)
_computing_cell_refinement       'SAINT V8.38A (2016)'
_computing_data_collection       'Bruker APEX3 v2016.1-0'
_computing_data_reduction        'SAINT V8.38A (2016)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 2012)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'CMOS area detector'
_diffrn_measurement_device_type  'Bruker D8QUEST'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0556
_diffrn_reflns_av_unetI/netI     0.0203
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            175023
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.550
_diffrn_reflns_theta_min         2.890
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.351
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7232
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2016/2'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.107
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1528
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.329
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     421
_refine_ls_number_reflns         9729
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0299P)^2^+2.7239P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0691
_refine_ls_wR_factor_ref         0.0729
_reflns_number_gt                8476
_reflns_number_total             9729
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c02742_si_005.cif
_cod_data_source_block           9426
_cod_database_code               4135022
_shelx_shelxl_version_number     2018/3