Mechanism and Transition State Structure of Aryl Methylphosphonate Esters Doubly Coordinated to a Dinuclear Cobalt(III) Center
Guoqiang Feng; Eric A. Tanifum; Harry Adams; Alvan C. Hengge; Nicholas H. Williams; Journal of the American Chemical Society 131 (2009) 12771–12779; doi:10.1021/ja904134n

data_4104977
_publ_section_title
;
 Mechanism and Transition State Structure of Aryl Methylphosphonate Esters
 Doubly Coordinated to a Dinuclear Cobalt(III) Center
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12771
_journal_page_last               12779
_journal_paper_doi               10.1021/ja904134n
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C19 H41 Cl4 Co2 N6 O18 P'
_chemical_formula_weight         932.21
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_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                86.042(2)
_cell_angle_beta                 83.851(2)
_cell_angle_gamma                74.685(2)
_cell_formula_units_Z            2
_cell_length_a                   9.6420(10)
_cell_length_b                   12.0145(13)
_cell_length_c                   15.1903(16)
_cell_measurement_reflns_used    2160
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.89
_cell_measurement_theta_min      1.36
_cell_volume                     1685.9(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 100
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  '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  0.0371
_diffrn_reflns_av_sigmaI/netI    0.0554
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            19590
_diffrn_reflns_theta_full        27.59
_diffrn_reflns_theta_max         27.59
_diffrn_reflns_theta_min         1.35
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.434
_exptl_absorpt_correction_T_max  0.8467
_exptl_absorpt_correction_T_min  0.6896
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.836
_exptl_crystal_description       block
_exptl_crystal_F_000             956
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.696
_refine_diff_density_min         -1.185
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.101
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     446
_refine_ls_number_reflns         7602
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0726
_refine_ls_R_factor_gt           0.0509
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0833P)^2^+0.0401P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1406
_refine_ls_wR_factor_ref         0.1515
_reflns_number_gt                5543
_reflns_number_total             7602
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja904134n_si_001.cif
_cod_data_source_block           onw102m
_cod_database_code               4104977