Cyclo-P₃ Complexes of Vanadium: Redox Properties and Origin of the ³¹P NMR Chemical Shift.
Pinter, Balazs; Smith, Kyle T.; Kamitani, Masahiro; Zolnhofer, Eva M.; Tran, Ba L.; Fortier, Skye; Pink, Maren; Wu, Gang; Manor, Brian C.; Meyer, Karsten; Baik, Mu-Hyun; Mindiola, Daniel J.; Journal of the American Chemical Society 137 (2015) 15247–15261; doi:10.1021/jacs.5b10074

data_4129738
_publ_section_title
;
 Cyclo-P&#x2083; Complexes of Vanadium: Redox Properties and Origin of the
 &#x00B3;&#x00B9;P NMR Chemical Shift.
;
_journal_issue                   48
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15247
_journal_page_last               15261
_journal_paper_doi               10.1021/jacs.5b10074
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety
'(C43 H55 N3 P3 V), (C20 H30 Co), 2(C7 H8), 0.25 (C4 H10 O)'
_chemical_formula_sum            'C78 H103.5 Co N3 O0.25 P3 V'
_chemical_formula_weight         1289.92
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                108.043(2)
_cell_angle_beta                 96.706(2)
_cell_angle_gamma                101.488(2)
_cell_formula_units_Z            4
_cell_length_a                   14.9860(4)
_cell_length_b                   22.3994(7)
_cell_length_c                   23.3004(7)
_cell_measurement_reflns_used    9821
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.34
_cell_measurement_theta_min      2.38
_cell_volume                     7152.9(4)
_computing_cell_refinement       'APEX II v2010.11.3 (Bruker, 2013)'
_computing_data_collection       'APEX II v2010.11.3 (Bruker, 2013)'
_computing_data_reduction        'APEX II v2010.11.3 (Bruker, 2013)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2013)'
_computing_publication_material  'SHELXTL (Bruker, 2013)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2010)'
_computing_structure_solution    'SIR-2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 83.33
_diffrn_detector_type            'Bruker APEXII'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_details
'0.50 degree frames measured for 20 seconds each'
_diffrn_measurement_device       'APEX Kappa Duo'
_diffrn_measurement_device_type  Kappa
_diffrn_measurement_method       'omega and phi 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  0.0425
_diffrn_reflns_av_sigmaI/netI    0.0435
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            125997
_diffrn_reflns_theta_full        26.42
_diffrn_reflns_theta_max         26.42
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    0.474
_exptl_absorpt_correction_T_max  0.9676
_exptl_absorpt_correction_T_min  0.9030
_exptl_absorpt_correction_type   multi-scans
_exptl_absorpt_process_details   'SADABS, R. Blessing; 1995'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.198
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2758
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.265
_refine_diff_density_min         -0.464
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1660
_refine_ls_number_reflns         29334
_refine_ls_number_restraints     321
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0726
_refine_ls_R_factor_gt           0.0439
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0556P)^2^+4.1146P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1047
_refine_ls_wR_factor_ref         0.1202
_reflns_number_gt                20872
_reflns_number_total             29334
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5b10074_si_004.cif
_cod_data_source_block           12159
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C78 H103.50 Co N3 O0.25 P3 V'
_cod_database_code               4129738