Phosphido- and Amidozirconocene Cation-Based Frustrated Lewis Pair Chemistry.
Normand, Adrien T.; Daniliuc, Constantin G.; Wibbeling, Birgit; Kehr, Gerald; Le Gendre, Pierre; Erker, Gerhard; Journal of the American Chemical Society  (2015) 150811081316009–; doi:10.1021/jacs.5b06551

data_4124389
_publ_section_title
;
 Phosphido- and Amidozirconocene Cation-Based Frustrated Lewis Pair
 Chemistry.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              150811081316009
_journal_paper_doi               10.1021/jacs.5b06551
_journal_year                    2015
_chemical_formula_sum            'C23 H35 P Zr'
_chemical_formula_weight         433.70
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.6190(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.72660(10)
_cell_length_b                   22.7490(4)
_cell_length_c                   14.1878(3)
_cell_measurement_reflns_used    5296
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      4.08
_cell_volume                     2156.59(7)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Montel mirror'
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.057
_diffrn_reflns_av_sigmaI/netI    0.0497
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            18848
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         4.20
_exptl_absorpt_coefficient_mu    0.587
_exptl_absorpt_correction_T_max  0.9826
_exptl_absorpt_correction_T_min  0.9223
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.583
_refine_diff_density_min         -0.707
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         4320
_refine_ls_number_restraints     157
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0551
_refine_ls_R_factor_gt           0.0433
_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^)+(0.0381P)^2^+2.4910P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1007
_refine_ls_wR_factor_ref         0.1090
_reflns_number_gt                3555
_reflns_number_total             4320
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5b06551_si_002.cif
_cod_data_source_block           erk7590
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4124389