Synthesis of the (N2)3- Radical from Y2+ and Its Protonolysis Reactivity To Form (N2H2)2- via the Y[N(SiMe3)2]3/KC8 Reduction System
Ming Fang; David S. Lee; Joseph W. Ziller; Robert J. Doedens; Jefferson E. Bates; Filipp Furche; William J. Evans; Journal of the American Chemical Society 133 (2011) 3784–3787; doi:10.1021/ja1116827

data_4105787
_publ_section_title
;
 Synthesis of the (N2)3- Radical from Y2+ and Its Protonolysis Reactivity
 To Form (N2H2)2- via the Y[N(SiMe3)2]3/KC8 Reduction System
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3784
_journal_page_last               3787
_journal_paper_doi               10.1021/ja1116827
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C39 H98 N6 O2 Si8 Y2'
_chemical_formula_weight         1085.77
_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           SHELXTL
_cell_angle_alpha                102.2540(10)
_cell_angle_beta                 110.1450(10)
_cell_angle_gamma                110.1390(10)
_cell_formula_units_Z            1
_cell_length_a                   11.6254(12)
_cell_length_b                   12.3668(12)
_cell_length_c                   12.9283(13)
_cell_measurement_reflns_used    8752
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.84
_cell_measurement_theta_min      2.60
_cell_volume                     1518.5(3)
_computing_cell_refinement       'Bruker SMART APEX2/SAINT'
_computing_data_collection       'Bruker SMART APEX2'
_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      153(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART APEX II 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  0.0262
_diffrn_reflns_av_sigmaI/netI    0.0346
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16037
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    2.092
_exptl_absorpt_correction_T_max  0.7174
_exptl_absorpt_correction_T_min  0.5541
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.187
_exptl_crystal_density_meas      ?
_exptl_crystal_description       irregular
_exptl_crystal_F_000             580
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.711
_refine_diff_density_min         -0.427
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     270
_refine_ls_number_reflns         6173
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0584
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0631P)^2^+1.3439P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1077
_refine_ls_wR_factor_ref         0.1169
_reflns_number_gt                5046
_reflns_number_total             6173
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1116827_si_002.cif
_cod_data_source_block           mf7
_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               4105787