Isolation of Dysprosium and Yttrium Complexes of a Three-Electron Reduction Product in the Activation of Dinitrogen, the (N2)3- Radical
William J. Evans; Ming Fang; Gaël Zucchi; Filipp Furche; Joseph W. Ziller; Ryan M. Hoekstra; Jeffrey I. Zink; Journal of the American Chemical Society 131 (2009) 11195–11202; doi:10.1021/ja9036753

data_4104819
_publ_section_title
;
 Isolation of Dysprosium and Yttrium Complexes of a Three-Electron
 Reduction Product in the Activation of Dinitrogen, the (N2)3- Radical
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11195
_journal_page_last               11202
_journal_paper_doi               10.1021/ja9036753
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C74 H122 Dy2 K N2 O7'
_chemical_formula_weight         1515.84
_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                68.0610(11)
_cell_angle_beta                 85.6165(11)
_cell_angle_gamma                68.4163(11)
_cell_formula_units_Z            2
_cell_length_a                   14.0906(9)
_cell_length_b                   18.0226(12)
_cell_length_c                   19.2315(13)
_cell_measurement_reflns_used    7334
_cell_measurement_temperature    138(2)
_cell_measurement_theta_max      28.30
_cell_measurement_theta_min      2.20
_cell_volume                     4201.9(5)
_computing_cell_refinement       'Bruker SMART/SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      138(2)
_diffrn_detector_area_resol_mean n/a
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker SMART1K CCD'
_diffrn_measurement_method       'phi and omega'
_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  0.0383
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            40597
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.00
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    1.858
_exptl_absorpt_correction_T_max  0.6640
_exptl_absorpt_correction_T_min  0.5791
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            brown-orange
_exptl_crystal_density_diffrn    1.198
_exptl_crystal_density_meas      ?
_exptl_crystal_description       cube
_exptl_crystal_F_000             1574
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         5.835
_refine_diff_density_min         -2.635
_refine_diff_density_rms         0.207
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     788
_refine_ls_number_reflns         17052
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0700
_refine_ls_R_factor_gt           0.0532
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0946P)^2^+17.6165P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1466
_refine_ls_wR_factor_ref         0.1616
_reflns_number_gt                13592
_reflns_number_total             17052
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja9036753_si_004.cif
_cod_data_source_block           gz28
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               4104819