Unexpectedly High Barriers to M‒P Rotation in Tertiary Phobane Complexes: PhobPR Behavior That Is Commensurate withtBu2PR
Lister, Julia M.; Carreira, Monica; Haddow, Mairi F.; Hamilton, Alex; McMullin, Claire L.; Orpen, A. Guy; Pringle, Paul G.; Stennett, Tom E.; Organometallics 33 (2014) 702–; doi:10.1021/om400980e

data_4082497
_publ_section_title
;
 Unexpectedly High Barriers to M--P Rotation in Tertiary Phobane
 Complexes: PhobPR Behavior That Is Commensurate withtBu2PR
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              702
_journal_paper_doi               10.1021/om400980e
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C24 H46 Cl2 P2 Pt'
_chemical_formula_sum            'C24 H46 Cl2 P2 Pt'
_chemical_formula_weight         662.54
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 93.564(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0716(13)
_cell_length_b                   17.273(2)
_cell_length_c                   15.466(2)
_cell_measurement_reflns_used    6172
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.56
_cell_measurement_theta_min      1.77
_cell_volume                     2685.4(6)
_computing_cell_refinement       'Apex II (Bruker, 2008)'
_computing_data_collection       'Apex II (Bruker, 2008)'
_computing_data_reduction        'SAINT V7.68A (Bruker, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Apex II kappa CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0295
_diffrn_reflns_av_sigmaI/netI    0.0116
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            89368
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    5.553
_exptl_absorpt_correction_T_max  0.1512
_exptl_absorpt_correction_T_min  0.0988
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.639
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.134
_exptl_crystal_size_min          0.11
_refine_diff_density_max         2.080
_refine_diff_density_min         -1.384
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.155
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         6172
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.155
_refine_ls_R_factor_all          0.0219
_refine_ls_R_factor_gt           0.0189
_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^)+(0.0190P)^2^+3.1421P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0441
_refine_ls_wR_factor_ref         0.0453
_reflns_number_gt                5704
_reflns_number_total             6172
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400980e_si_002.cif
_cod_data_source_block           3b
_cod_original_cell_volume        2685.3(6)
_cod_original_sg_symbol_H-M      'P 2(1)/c'
_cod_database_code               4082497