Dinitrogen Chemistry from Trigonally Coordinated Iron and Cobalt Platforms
Theodore A. Betley; Jonas C. Peters; Journal of the American Chemical Society 125 (2003) 10782–10783; doi:10.1021/ja036687f

data_4114146
_publ_section_title
;
 Dinitrogen Chemistry from Trigonally Coordinated Iron and Cobalt
 Platforms
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10782
_journal_page_last               10783
_journal_paper_doi               10.1021/ja036687f
_journal_volume                  125
_journal_year                    2003
_chemical_formula_sum            'C37 H68 B Fe N P3'
_chemical_formula_weight         686.49
_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                 101.9480(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.5232(9)
_cell_length_b                   16.2311(11)
_cell_length_c                   18.8942(13)
_cell_measurement_reflns_used    7782
_cell_measurement_temperature    96(2)
_cell_measurement_theta_max      27.89
_cell_measurement_theta_min      2.18
_cell_volume                     3757.3(5)
_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      96(2)
_diffrn_measured_fraction_theta_full 0.936
_diffrn_measured_fraction_theta_max 0.936
_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  0.0704
_diffrn_reflns_av_sigmaI/netI    0.0496
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            55648
_diffrn_reflns_theta_full        28.49
_diffrn_reflns_theta_max         28.49
_diffrn_reflns_theta_min         1.67
_exptl_absorpt_coefficient_mu    0.555
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            deep
_exptl_crystal_density_diffrn    1.214
_exptl_crystal_density_meas      0
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1492
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.140
_refine_diff_density_min         -1.002
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.805
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     400
_refine_ls_number_reflns         8921
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.805
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0495
_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^)+(0.0200P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0964
_refine_ls_wR_factor_ref         0.1018
_reflns_number_gt                6373
_reflns_number_total             8921
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja036687fsi20030714_062459_3.cif
_cod_data_source_block           tab40
_cod_database_code               4114146